Engine Integrated Control System

EICS®
Operations and Service Manual
00-02-0741
2016-06-15
BEFORE BEGINNING INSTALLATION OF THIS MURPHY
PRODUCT:

 Read and follow all installation instructions.

 Please contact your Murphy Master Distributor
immediately if you have any questions.
 A visual inspection of this product for damage during
shipping is recommended before installation.
 It is your responsibility to ensure that qualified
mechanical and electrical technicians install this product.
To locate your local distributor, go to
http://www.fwmurphy.com/dealer_search/
 Table of Contents
1 INTRODUCTION ............................................................................................... 1
1.1 EICS -W HAT IT IS .................................................................................................................... 1
1.2 W HAT IT MEANS TO YOU ......................................................................................................... 1
1.3 HOW IT W ORKS ....................................................................................................................... 2
2 SAFETY, PRECAUTIONS AND WARNINGS ................................................... 3
3 SYSTEM SETUP AND OPERATION ................................................................ 4
3.1 GENERAL NAVIGATION ............................................................................................................. 4
3.2 HOME SCREEN ........................................................................................................................ 5
3.3 SYSTEM SETUP ....................................................................................................................... 6
3.3.1 Operating Settings ....................................................................................................................... 6
3.3.1.1 Password ............................................................................................................................................... 7
3.3.1.2 Speed Governing ................................................................................................................................... 8
3.3.1.3 Setpoints / Shutdowns......................................................................................................................... 11
3.3.1.4 Engine Info .......................................................................................................................................... 11
3.3.1.5 Date & Time ........................................................................................................................................ 12
3.3.1.6 Percent Run Time Reset ....................................................................................................................... 12
............................................................................................................................................................ 12
3.3.2 Base Set-Up ................................................................................................................................ 13
3.3.3 Display Settings .......................................................................................................................... 15
3.3.3.1 User Settings ....................................................................................................................................... 16
3.3.3.2 System Settings ................................................................................................................................... 17
3.3.3.3 Restart ................................................................................................................................................. 17
3.4 DIAGNOSTICS, MAINTENANCE AND TESTING ............................................................................ 18
3.4.1 Engine Diagnostics ..................................................................................................................... 18
3.4.1.1 Active Faults ........................................................................................................................................ 18
3.4.1.2 Historic Faults ...................................................................................................................................... 19
3.4.1.3 Fault Snap Shot Data ........................................................................................................................... 20
3.4.2 Maintenance / Testing ............................................................................................................... 21
3.4.2.1 Conduct Compression Test .................................................................................................................. 21
3.4.2.2 Spark Kill Test Manual ......................................................................................................................... 22
3.4.2.3 Spark Kill Test Auto.............................................................................................................................. 23
3.4.2.4 Spark Fire Test ..................................................................................................................................... 23
3.4.2.5 Fuel Valve Temp Power ....................................................................................................................... 24
3.4.3 Historic Data / Reporting ........................................................................................................... 24
3.4.3.1 Data Logger ......................................................................................................................................... 25
3.4.3.2 Speed and Load Operating History ...................................................................................................... 25
3.5 ENGINE OPERATION ............................................................................................................... 26
3.5.1 Operating Data .......................................................................................................................... 26
3.5.1.1 Engine Monitoring Screen 1 ................................................................................................................ 27
3.5.1.2 Engine Monitoring Screen 2 ................................................................................................................ 27
3.5.1.3 Engine Monitoring Screen 3 ................................................................................................................ 28
3.5.1.4 Engine Monitoring Screen 4 ................................................................................................................ 28
3.5.1.5 Engine Monitoring Screen 5 ................................................................................................................ 29
3.5.1.6 Engine Monitoring Screen 6 ................................................................................................................ 30
3.5.2 Target Speed .............................................................................................................................. 31
4 TROUBLESHOOTING .................................................................................... 32
4.1 COMPONENT CONNECTOR PIN REFERENCE ............................................................................ 32
4.2 ECM CONNECTOR PIN-OUT TO END DEVICE ........................................................................... 36

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 4.3 ECM FUSES & INDICATORS .................................................................................................... 42
4.3.1 ECM LED Indicators .................................................................................................................... 42
4.3.1 ECM Fuses .................................................................................................................................. 44
4.4 EICS SYSTEM DIAGNOSTICS .................................................................................................. 46
4.5 EICS SYSTEM DIAGNOSTICS & TROUBLESHOOTING DETAIL FLOWCHARTS ............................... 70
4.5.1 Intake Air Temp Sensor Voltage Higher Than Expected ............................................................. 70
4.5.2 Intake Air Temp Sensor Voltage Lower Than Expected .............................................................. 71
4.5.3 Jacket Water Sensor Voltage Higher Than Expected ................................................................. 72
4.5.4 Jacket Water Sensor Voltage Lower Than Expected .................................................................. 73
4.5.5 Signal From Speed Pickup Assembly Lost ................................................................................... 74
4.5.6 Engine Will Not Start .................................................................................................................. 75
APPENDIX A ...................................................................................................... 77
A1 EICS DISPLAY MODBUS MAP ................................................................................................. 77
A2 RECOMMENDED MAINTENANCE SCHEDULE .............................................................................. 79
A3 MIXER DIAPHRAGM REPLACEMENT.......................................................................................... 80
A4 EICS DISPLAY RE-PROGRAMMING .......................................................................................... 82
A5 SOFTWARE INSTALLATION & ECM RE-PROGRAMMING.............................................................. 84
A5.1 EICS Display Installation .............................................................................................................. 84
Installation Steps................................................................................................................................. 84
A5.2 ECOM Drivers and Software Setup Wizard ................................................................................. 86
Installation Steps................................................................................................................................. 86
4. Select Install ECOM Drivers and Supporting Software or Install Drivers Only by placing the
mouse cursor on the selection circle indicating your choice and clicking the left mouse button once.
The green dot indicates your selection has been recognized. ............................................................. 87
5. To proceed place the mouse cursor over the NEXT> button and click once with the left-hand
mouse button. ..................................................................................................................................... 87
A5.3 ECM Re-programming ................................................................................................................ 95
A5.3.1 Software Log-in ........................................................................................................................ 95
A5.3.1 EICS Service Tool Header / Menu Bar Functionality ................................................................ 96
A6 ENGINE STARTUP CHECKLIST ................................................................................................. 99

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1 Introduction

1.1 EICS -What It Is

The Murphy EICS (Engine Integrated Control System) combines the functionality of a capacitive
discharge ignition, an air-fuel ratio controller, and an electronic speed governor within a single
Engine Control Module (ECM). As such it represents a fresh, OEM-like, integrated approach to
aftermarket engine controls within the stationary natural gas engine market. The core system is
designed to optimize engine performance and provide advanced diagnostic information, while
an emissions package option is available and includes the catalyst.

1.2 What It Means To You

Gone are the days of the "one size fits all" approach of separate components that led to tedious
setups and "dialing in" procedures. Each EICS offering has been pre-configured, pre-calibrated
and dyno tested for each specific engine model. Because development was done in an
advanced engine test cell, various combinations of engine load, speed, and fuel quality could be
either manipulated or held constant during the calibration process. This has allowed ignition
spark tables to be generated for fuel qualities ranging from 700 BTU to 2250 BTU. Multiple
air/fuel set points were also configured across these various conditions yielding a multi-set point
controller without the setup hassle. The EICS system also displays diagnostic information that
can be used to prevent unplanned shutdowns through early detection of engine problems.

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1.3 How It Works
 Ignition - EICS incorporates a capacitive discharge ignition. The ignition system's input
signal is obtained by a Speed Pickup Assembly. The timing assembly is designed as a
drop-in replacement for the engine magneto, eliminating the need to drill holes in the fly
wheel and locate mounting positions for the necessary sensors. The EICS ignition also
leverages Murphy’s Smart Coil technology where the spark event is actually measured
and a Kilovolt reading is displayed. The use of Murphy smart coils provides a virtual
window into the combustion cycle on an individual cylinder basis and helps identify
engine related issues before a shutdown occurs.

 Air/Fuel Control - The air/fuel control portion of EICS is exercised through a Direct-acting
Electronic Pressure Regulator (D-EPR) mated to a ruggedized mechanical mixer. The
pre-mapped engine with model-based control delivers accurate fuel quantity for easy
start, run, and transient performance throughout the engine’s operating range. Exhaust
gas feedback control is utilized for minor fuel delivery optimization using wideband
oxygen sensor technology. The addition to feed-forward control combined with the
superfast acting electronic pressure regulation ensures the system initiates adjustments
long before other systems that rely on oxygen sensor feedback alone. Since the system
was tuned in an engine test cell, variations in engine load, speed, and fuel quality have
been anticipated and pre tested.

Electronic Speed Governing - The EICS integrated approach provides accurate speed
governing and enables the throttle, fuel delivery, and ignition system to work in
conjunction rather than "fight" each other as is sometimes the case when these functions
are distributed among separate components. The EICS system also allows the user to
vary engine speed within a specified range to assist in maintaining a gas pressure
(suction or discharge). A Murphy 4-20mA pressure transducer can be supplied to
monitor well suction (or discharge) pressure. The mechanical governing system is no
longer required with EICS.

 Emissions Package - The emissions package is an option that can be added when
purchased or at a later date when the need arises. The package includes a catalyst,
sensors, and brackets. When the optional emissions package is detected, the ECM
responds with an alternate calibration to facilitate engine exhaust gas mixtures that are
optimum for the provided catalyst. Moreover, the ECM not only monitors the feedback
from the oxygen sensor mounted in the traditional location (between the engine and the
catalyst) but also makes use of an additional oxygen sensor located post-catalyst
because, what is exiting the catalyst is the ultimate concern. Catalyst protection and
additional diagnostics are provided utilizing pre- and post-catalyst temperature
monitoring using RTDs provided in the emissions package.

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2 SAFETY, PRECAUTIONS AND WARNINGS

 All electrical connections should be performed by qualified personnel and

should meet all Federal, State, Local and End User electrical codes.

 Do not connect or disconnect end devices or make wiring changes while

power is supplied to the product unless the area is known to be non-
hazardous. Electrical sparks may occur.

 Connection to battery positive should be the last connection made to the

system.

 The positive lead must have a 30 amp fuse installed at the battery
connection.

 When using rigid conduit, ensure that conduit has been de-burred prior to
pulling any wires.

 Fuel gas should be free of all liquids and solids prior to entering the
engine.

 When welding on skid, disconnect all harnesses from ECM, D-EPR,

Throttle, Oxygen Sensors, Thermocouple (RTD) and EICS Display.

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3 System Setup and Operation
The EICS system comes with a pre-set list of operating parameters and shutdown settings. These
settings should be reviewed and modified as required for each specific site.

All of the “User Defined” setup is performed through the EICS Display furnished with the system.

3.1 General Navigation

The EICS Display is equipped with eight buttons; four on each side of the display screen which are
used to navigate between screens and make selections. To the right and /or left sides of the display
screen there are selection categories as shown in Illustration 3.1. Each category corresponds to the
physical rubber button next to it. For example pressing the upper left button would select Operating
Data.

Illustration 3.1

Illustration 3.2 shows another example of commonly used navigation buttons.

The upper icon on the screen indicates that the upper button next to it will move to
the next screen available.
The second icon indicates that the second button will move back to the next
available screen.
The lower icon indicates that the button next to it will navigate you to the “Home”
screen.
Illustration 3.2
If no icon is present then that button is not utilized on the given page.

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3.2 Home Screen

The Home Screen for the interface is displayed below in Illustration 3.3. There are eight general
categories that can be selected using the button keys located on either side of the display.

Although most any screen can be viewed by an end user, many of the screens require a password.

The information that should be reviewed before starting a unit is contained in the “Base Set-up” and
“Operating Setting” screens.

Illustration 3.3

Below is a description of each of the Home Screen categories looking at these areas from left to right,
top to bottom:

Operating Data – This category contains several additional gauge screens which are used to display
the current operating information of the system.

Target Speed – This area allows adjustment of engine speed while in manual speed control mode.

Engine Diagnostics – This category provides diagnostic information including currently active as well
as historic faults.

Base Set-up – This area allows the user to adjust certain operating parameters such as Desired Spark
Timing, Timing Wheel Offset, Fuel Specific Gravity, etc.

Historic Data/Reporting – This area allows the user to monitor the data storage of the onboard
memory.

Operating Settings – This area allows the user to set parameters associated with engine speed
governing, passwords, date & time, shutdown set points, as well as other parameters.

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Maintenance/Testing – This area allows the end user to conduct a compression test, test fire coils,
shut off ignition to specific cylinders, etc.

Display Settings – This area allows for the adjustment of the display such as ambient light, brightness,
etc.

Also contained on the Home Screen as well as many other screens is a colored circle at the bottom
center of the screen called the “Alarm Lamp”. This lamp provides the current status of the system.

This indicator has three statuses:

1) System OK – Green Light - - Indicates that the system is in good working order and there
are no existing fault conditions and all previous faults have been acknowledged.

2) System Warning – Amber Light - - Indicates that there is either an active fault, or there was
an active fault that has not been recognized by the user on the engine diagnostics page.

3) System Alarm – Red Light - - Indicates a fault that has caused a shutdown.
Further descriptions of the Warnings and Alarms can be found in the “Troubleshooting” section of this
manual.

3.3 System Setup

This section is meant to cover all the necessary setup steps that should be taken prior to starting the
engine. It will cover Operating Settings, Base Set-up and Display Settings.

3.3.1 Operating Settings

From the Home Screen select Operating Settings .

Illustration 3.4

From the Operating Settings main menu screen, six areas can be accessed. Reading left to right, top
to bottom.

Some of these parameters are password protected. The user will be prompted to enter a password for
High level or Sub level before proceeding.

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Speed Governing – This allows the user to set
Manual and Suction Pressure Based speed
governing limits. Also input settings for a
suction pressure sensor can accessed.
 Password – Passwords for High Level and
Sub Level access can be changed.
 Set points/Shutdowns – Alarm points are
adjusted in this area, such as high jacket
water temperature, low oil pressure, engine
over speed, etc.
 Date & Time – The current date and time
can be adjusted.
 Engine Info – This section displays
information of the about the system.
 Percent Run Time Reset – In this area, the
Illustration 3.5
user has the capability of viewing the
percentage of engine run time and the ability
to reset the percentage of run time of the engine.

3.3.1.1 Password
Under the Password screen the user is presented with the options to reset either the Sub Level
Password or the High Level password. As shown in Illustration 3.6 the two yellow highlighted up and
down arrows allows the user to move between the Sub Level Box and the High Level Box. The “+” or “-
“ arrows will select which ever box is highlighted. The display will initially contain a factory default
password for both the Sub Level and High Level password. The factory default passwords are listed
below.

Sub Level Default Password = SLEVEL

High Level Default Password = HLEVEL

Illustration 3.6

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 After selecting the password which is desired
to be reset the next screen will prompt for the
current password as shown in Illustration 3.7,
Sub Level password example. The same steps
would be followed for the High Level password
as well. The “+” and “-“arrow keys are used to
change letter / numbers. A single button press
will increase one at a time, holding the button
will allow for fast scrolling. The two arrows to
the left side of the screen
control moving the cursor to the
previous or next character for
entry. Once the correct
Illustration 3.7 password is entered press the
“Check Mark” button shown in
figure 3.8 to confirm password entry. If the password had been entered correctly the
screen allowing password reset will be present as shown in Illustration 3.9. From
Illustration 3.8
this screen the user has the option to enter a new password using the “+” and “-“
arrow keys and the character forward and
back keys in a similar fashion as done
earlier when entering the original
password. The user may also choose to
reset the password to the factory default
by pressing the “Reset” button.

Illustration 3.9

3.3.1.2 Speed Governing

In this area, parameters for the modes of speed control are set.
Manual - Allows the user to set the minimum and
maximum speeds that the engine will be governed to
during manual speed changes.

Suction Pressure-Based - Allows the user to set the

minimum and maximum speeds that the engine is
allowed to operate within during suction based speed
control, along with the target suction pressure.
Inputs - Currently only one option is available for the
inputs which is the suction pressure sensor settings.

Illustration 3.10

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3.3.1.2.1 Manual Speed Governing

In the Manual Speed Governing page the

user can set the minimum and maximum
speed allowed. The highlighted yellow Up
and Down arrows will move between the
minimum speed box and maximum speed
box. The values are increased or decreased
by pressing the “+” or “-“arrow buttons.
With each single press the RPM value will
increase or decrease in increments of 10
RPM. Holding either button will rapidly
change the value.

Illustration 3.11

3.3.1.2.2 Suction Pressure Based Speed Governing

Under the Suction Pressure Based Speed Governing screen the user is able to set the minimum and
maximum engine speeds used when the suction pressure based speed control is active. The targeted
suction pressure is also set here. Note the maximum RPM limit in this mode has to less than or equal to
the maximum manual speed control limit that was set under the Manual Speed Governing screen.

Illustration 3.12

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3.3.1.2.3 Inputs

Currently in the Inputs page there is only the option for are suction pressure sensor.

Illustration 3.13

In the Suction Pressure Sensor screen

the user can change the low and high
current settings along with their
corresponding pressures. Typically the
minimum and maximum are set to 4mA and
20mA. The pressure settings should be set
based on the sensor. Typically the low
current setting will correspond to 0 psig and
the high is the designed maximum range of
the transducer.

By pressing the “Back” button repeatedly,

you can return to the Home Screen
Illustration 3.14

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3.3.1.3 Setpoints / Shutdowns

In the Setpoints / Shutdowns screens the user can change several different shutdown parameter
values as shown in Illustration 3.15 and 3.16. The highlighted yellow “Up” and “Down” arrows will move
between the parameters and allow access to second shutdown screen. The “+” and “-“arrows allow the
value that is highlighted to be increased or decreased.

Illustration 3.15 Illustration 3.16

3.3.1.4 Engine Info

In the Engine Info screen the user can view

system information such as the software number,
engine displacement, serial number and status of
whether an emissions and/or suction key are
installed.

Illustration 3.17

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3.3.1.5 Date & Time
In the Date & Time screen the user can
change the year, day and month (Day /
Month Format), and current time (24hr
format). The highlighted yellow “Up” and
“Down” arrows will move between the
boxes. The “+” and “-“arrows allow the
value that is highlighted to be changed.

Illustration 3.18

3.3.1.6 Percent Run Time Reset

In the Percent Run Time Reset screen the user

can view the percent "time that the engine has
been running as well as the percent of run time
since the last reset. The user can also reset the
percent of run time counter since last reset.

Illustration 3.19

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 3.3.2 Base Set-Up
From the Home Screen select the Base Set-Up category.

Illustration 3.20

Illustration 3.21 Illustration 3.22

The Base Engine Setup pages contain ten (10) adjustable parameters based on the operational needs
of the engine and the user. All of these parameters are password protected.

The user will be prompted to enter a High Level or Sub Level password before proceeding. The
parameters in this section are as follows:

1 – Desired Spark Timing at Rated Power – The user should enter the desired spark timing for the
engine at 1800 rpm and full load. This timing is supplied by the engine manufacturer based on fuel gas
composition.

2 – Select Fixed/Variable Spark Timing – This field has two possible choices:
1) Auto – This is the recommend setting and allows the controller to determine the best spark
timing based on the desired spark timing at rated power. Timing will auto adjusted based on
load and speed.
2) Calibrate – This is a temporary setting used to check that the speed-pickup is installed properly. When
selected, the ECM will hold ignition timing at the value in Field 4 “Fixed Spark Timing Calibrate” while
the user checks actual timing with a timing light. The user should check the spark timing as compared
to the value in field 4. If there is a mismatch, an off-set can be made in field 3. This offset can be
permanently stored, or the user can elect to make a physical adjustment by rotating the speed pickup
assembly. At end of this process, the timing reading obtained using a timing light should match what
the ECM is displaying. The user should then select auto, and not allow the engine to continue to
operate in calibrate mode.

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3 – Set Off-set for Timing Wheel – This field allows the end user to adjust the offset of the timing
wheel in the speed pickup to match the desired timing to the actual timing.

4 – Fixed Spark Timing Calibrate – This field allows the end user to determine the desired point to
check the flywheel timing against the desired spark timing when the “Select Fixed/Variable Spark
Timing” is set to “Calibrate”. In calibrate mode, the spark timing will stay at the value entered in field 4
for all speeds and loads.

5 – Fuel Specific Gravity – This is the density of the fuel gas being used as compared to air. It is
supplied by the user and is often obtained from most fuel gas analysis reports. This step is
recommended for the best operation of the EICS system. If the gas analysis does not include a
calculated value for specific gravity, this value can be calculated by entering the fuel analysis data in
GERP - Gas Engine Rating Pro software available from Caterpillar.

6 – Stoichiometric Air-Fuel Ratio – This is the chemical balance of fuel and air to completely (ideally)
burn all of the fuel during the combustion process. This value is available on most fuel gas analysis and
is entered as (Mass /Mass). If the gas analysis does not include a calculated value for stoichiometric
air-fuel ratio, the value can be calculated by entering the fuel analysis data in GERP - Gas Engine
Rating Pro software available from Caterpillar.

7 – Misfire Detection – If this feature is enabled, the system will monitor the combustion of each
cylinder and will alert the end user if a persistent misfire is detected. If this feature is disabled, the
system will ignore any misfires. Note, even when enabled, this function is not active at all engine
speed and load conditions, so it is possible a misfire will not be detected.

8 – Exh Temp w/no emissions – Enabling this function allows the use of a pre-catalyst RTD
temperature probe on the “Performance” systems (Systems that do not have the optional emissions
package installed). This function is disabled when the “Emissions Key” is installed since pre-catalyst
temperatures are always monitored with emissions package present.

9 – Data Logger – When enabled, this feature allows for the logging of 30 pre-set parameters. These
parameters are logged into the memory of the ECM every 15 seconds. This feature allows for
approximately 90+ days of data to be saved. See the Data Logger section (3.4.3.1) for more details.

10 – Reset Data Logger – This feature allows the user to erase the saved data logs and restart the
data logging process.

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 Illustration 3.23 Illustration 3.24

When exiting this area, the user will be prompted to save or discard any changes.

If changes are not saved, they will be reverted back to their last saved point. It is important to save
changes each time you are prompted.

Press the “Save Changes” button to write the parameters to the ECM’s memory.

Press the “Don’t Save” button to erase all of the changes from the system and revert to the last saved
changes.

3.3.3 Display Settings

From the Home Screen select Display Settings.

Illustration 3.25
From the Display Settings main menu screen, three areas can be accessed. Reading left to right, top
to bottom.

User Settings – Contains ambient light,

brightness, units and language settings.
Restart – Allows the user to reboot the
display.
System Settings – Provides the user with
version information about the display.

Illustration 3.26
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3.3.3.1 User Settings
In the User Settings the user has 4 options on this screen:

Ambient Light – Allows the user to

change between “Day” which causes the
screen brightness to be brighter or “Night”
which will decrease the brightness by
50%.

Brightness – Allows the user to change

the “Day” setting by 5% per push of the
button (lighter/darker).

Units – Allow the user to change between

“USA Standard” units or “Metric” units to
be displayed on the screens.

Language – Allows the user to change Illustration 3.27

between “English”, “Spanish”, “Japanese”,
etc. This feature not active with current versions of EICS

Select the save button at the top right to save changes.

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3.3.3.2 System Settings

In the System Settings screen the user

can view the Application, Operating
System, Bootloader, and Configuration
versions and part numbers associated
with the EICS Display.

Illustration 3.28

3.3.3.3 Restart

Pressing this button allows the user to quickly reboot the

display for any reason.

Illustration 3.29

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3.4 Diagnostics, Maintenance and Testing

This section to covers information on the how to use the diagnostic interface and perform system
related tests using the EICS display.

3.4.1 Engine Diagnostics

On Home Screen select Engine Diagnostics to view the Diagnostics and Active Faults screen.

Illustration 3.30

3.4.1.1 Active Faults

The Diagnostics and Active Faults screen consists of several parts as shown in Illustration 3.32.
Below is a description of each part.

 Current Fault Number and Total Fault Number – Tells the user what number the current fault
displayed is and the total number of faults present.
 SPN– SPN stands for Suspect Parameter Number. This number identifies the item for which the
diagnostics are being reported.
 FMI – FMI stands for Failure Mode Indicator. This number represents the type of failure detected.
 OC- OC stands for Occurrence Count. This number represents the number of times the fault has
gone from previously active to active.
 Diagnostic Message- Is a readable format of the SPN and FMI numbers telling the user what fault
is present. A description of the fault, system action taken as a result of the fault been present,
trigger conditions that caused the fault, and troubleshooting information to aid with repair can be
found in Troubleshooting (Section 4) of this manual.
 ACK button- Stands for acknowledge. All faults will stay on the active screen until they are
acknowledged (by pressing the ACK button). Those faults on the active screen with a green
border indicate the fault was active previously, but is not active presently. If the border is yellow,
the fault is presently active. When the indicator lamp on the display is yellow there is either an
active fault condition, or a fault on the active page that has not been acknowledged. The yellow
indicator means the user should check the diagnostics page.

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 Illustration 3.31

 Active Prev and Active Next buttons – These buttons allow the user to move to the next or
previous “Active” currently present fault.

 Stored button – This button allows the user to retrieve stored faults. These are faults that are no
longer active but remain in the ECM until permanently cleared.

3.4.1.2 Historic Faults

The Historic Faults screen consists of several parts as shown in Illustration 3.33. Below is a
description of each part.

 Current Fault Number and Total Fault Number – Tells the user what number the current fault
displayed is and the total number of faults present.
 SPN– SPN stands for Suspect Parameter Number. This number identifies the item for which the
diagnostics are being reported.
 FMI – FMI stands for Failure Mode Indicator. This number represents the type of failure detected.
 OC- OC stands for Occurrence Count. This number represents the number of times the fault has
gone from previously active to active.
 Diagnostic Message- Is a readable format of the SPN and FMI numbers telling the user what fault
displayed.
 Active button- This button will return back to the Diagnostics and Active Faults screen.
 Stored Prev and Stored Next buttons – These buttons allow the user to move to the next or
previous “Stored”, no longer present faults.

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 FSS- Stands for Fault Snap Shot. This button allows the user to view 20 parameters at the instant
the displayed fault occurred for the first time. If multiple occurrences, the fault snapshot data will
correspond to the first event only. A total of 7 snapshots can be collected.
 Clear – This button allows the user to “clear” remove historic faults from the memory in the ECM.

Illustration 3.32

3.4.1.3 Fault Snap Shot Data

The Fault Snap Shot screen shown in Illustration 3.34 provides the user with diagnostic information of
20 engine parameters and their values at the instance that a fault had occurred. Along with the engine
data this screen also displays the SPN and FMI numbers and the date and time on which the
information was captured. It is
important to note that if a fault
has multiple occurrences (OC
counter is greater than 1) the
fault snap shot information will
always correspond to the first
occurrence of the fault. The
ECM will record and display a
maximum of 7 fault snap shots.

Illustration 3.33

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3.4.2 Maintenance / Testing
On Home Screen select Maintenance / Testing to view the available user options shown in Illustration
3.35. Below is a brief overview of each selection shown on the Maintenance / Testing screen.

 Conduct Compression Check – Special test mode that

allows the user to conduct a compression check with the
fuel and ignition off.

 Spark Kill Test Man– This test allows the user to select
and deactivate a given cylinder. Illustration 3.34

 Spark Kill Test Auto – This test

automatically deactivates each cylinder
and displays results to the user allowing
the user to see if all cylinders are
carrying a similar load.

 Spark Fire Test- This test give the user

the ability with the engine off to fire
each cylinder.

Illustration 3.35

3.4.2.1 Conduct Compression Test

The Conduct Compression Test screen

shown in Illustration 3.37 provides the user
with capability of cranking the engine to test
compression. During the test period the
Crank button is enabled, but the fuel
shutdown valve and ignition remain off.

Illustration 3.36

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3.4.2.2 Spark Kill Test Manual
From the Spark Kill Test Manual screen
the user can conduct a cylinder deactivation
(kill) test to confirm that all cylinders are
firing and carrying a load.

During this test, the engine load must be

lightly loaded (never exceed 11 psia MAP),
the engine speed must be at or below 1400
RPM and the catalyst temperature must be
below 900°F. If these conditions are not
met, the spark kill test cannot be performed.
Operating conditions of 1000 rpm and 8
psia have been found to produce good
results.
Illustration 3.37
The operating limits for this feature are in place to prevent damage to the engine and/or the catalyst
system. Once these conditions are satisfied, select the cylinder that is to be tested, select the test mode
and press the “Hold To Test” button on the right of the display. If the test button is held for greater than
5 seconds, the system will override the button and start firing the cylinder again. This is a safety feature
that cannot be bypassed.

By watching the throttle position, the engine speed and the manifold pressure, (and listening to the
engine), the end user can determine the effectiveness of the test by the overall change in these values.
The end user can expect these changes while testing all of the cylinders if they are carrying a load:

Throttle Position - Increased opening

Engine Speed - Slight decrease in speed during the transition
Manifold Pressure - Increase in pressure

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3.4.2.3 Spark Kill Test Auto

From the Spark Kill Test Auto screen

the user can allow the system to
conduct a spark kill test automatically.
To conduct this test, the engine is
required to meet the same speed and
load test conditions and described in
the manual spark kill section. The
system logs the manifold pressure
changes and determines if the spark
for that cylinder is adequate. A
cylinder that passes the test will be
indicated by a . A cylinder that
is marginal will be indicated by a
and a cylinder that fails will
be indicated by a .
Illustration 3.38
The system will automatically cycle through all of the cylinders during the test period. By pressing the
“Stop” button, the test is canceled. If engine speed, exhaust temperature, or manifold pressure limits
are exceeded this test will stop.

3.4.2.4 Spark Fire Test

From the Spark Fire Test screen the

user can test fire all of the cylinders while
the engine is stopped to ensure that all
wiring and connections are made
correctly. First a cylinder is selected,
then the test is started and the spark will
fire while the “press to test” button is held,
for a maximum of 5 seconds. This test is
typically done by removing a spark plug
wire, installing a spark plug in the wire
(but out of the engine, and grounding the
spark plug to the engine block). This test
is not recommended if gas vapor is
Illustration 3.39 present.

Releasing the “Press to Test” will cause the test to stop.

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3.4.2.5 Fuel Valve Temp Power
The Fuel Valve Temp Power feature allows the user to
open the fuel valve supplying pressure to the ounce
regulator with the engine shutdown in order to adjust and
check the fuel pressure entering the D-EPR valve. When
this button is pressed, the ECM will send an open signal to
the fuel valve for 5 minutes or until the fuel valve power
setting is returned to “off”.

In all applications, the fuel pressure entering the D-EPR

should be set to 16.5” WC differential when the engine is at
idle. This should leave the pressure to the D-EPR at or
Illustration 3.40 above 12“ WC at rated power if the regulator is working
properly.

3.4.3 Historic Data / Reporting

On Home Screen select Historic Data / Reporting to view the available user options shown in
Illustration 3.43

Illustration 3.41
Below is a brief overview of the two options shown on the Historic Data / Reporting screen.

Data Logger – This screen displays

information storage information such as the
percentage full, capacity, read percent and
hours left for data logger memory.

Speed and Load Operating History – This

screen provides the user with a table
showing the operating history of the engine.

Illustration 3.42

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3.4.3.1 Data Logger
The Data Logger screen shown in
Illustration 3.44 displays 4 categories of
information, each are described below.

Percent Full – Indicates the remaining

percentage of available data logger memory.
Capacity – Indicates the time in hours that
the memory is capable of saving
(approximately 93 days.)
Read Percentage – Indicates the percentage
of memory used.
Hours Left – Indicates the number of hours
remaining before the memory is full. Once
this value indicates 0.0 hours, the system
auto erases and resets to the capacity level.
Illustration 3.43

It is important to note that once the memory is full, the system goes into an “Auto erase” mode.
This mode purges all saved data and resets to a 0.0% full mode. At this point all data in memory
has been lost. It is important to download the data logger file prior to this point.

3.4.3.2 Speed and Load Operating History

The Speed and Load

Operating History screen
shown in Illustration 3.45
provides the user with a
table that shows the
historical operating history of
the engine. The table
shows the amount of hours
the engine has accumulated
while running at a given
speed and load.

Illustration 3.44

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3.5 Engine Operation

This section to covers information on screens that provide the user with current engine operating
information displayed in gauges as well as a screen that allows the user to adjust the engine speed
target.

3.5.1 Operating Data

On the Home Screen select Operating Data. This allows the

user to view the Screen 1 of 6 engine gauge screens. As
shown in Illustration 3.47 the current “Screen Number” is
displayed near the bottom center of the screen. Next to the
“Screen Number” is the “Alarm Lamp”. To the right side of the
Illustration 3.45 screen are the “Navigation Buttons”. The top most button will
allows the user to move to the next sceen. Note that the next
screen number also appears in this button. Similary the second button from the top on the right side of
the display will allow the user to revert back to the previous screen, it to contians the number of the
previous screen in the button. Lastly is the Home screen located on the bottom right side of the display.

Illustration 3.46

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3.5.1.1 Engine Monitoring Screen 1
The Engine Monitoring Screen 1 Illustration 3.48 contains six gauges showing current engine
operating conditions.
Manifold P – Intake manifold pressure,
indicated in PSIA (pounds per square inch
absolute – gauge + atmosphere)
RPM – Engine Speed
Manifold T – Intake manifold temperature,
indicated in degrees Fahrenheit (°F)
Jacket Water T – Engine jacket water
temperature, indicated in degrees Fahrenheit
(°F)
Batt Volt – Battery voltage indicates the supply
voltage seen at the ECM. Not necessarily the
same as voltage measured at the battery.
Illustration 3.47 Oil Pressure – Engine oil pressure, measured
at the engine’s oil galley, indicated in PSIG
(pounds per square inch gauge).
3.5.1.2 Engine Monitoring Screen 2
The Engine Monitoring Screen 2, Illustration 3.49 contains six gauges showing current engine
operating conditions. Two of the gauges will appear gray. This is to indicate that those features are not
currently used.
Spark Timing – Actual spark firing
indication within 1/10 of a degree. Indicated
in degrees before top dead center (BTDC).
Horsepower – Estimate of horsepower
produced at the time. Indicated in brake
horsepower (bhp).
Knock Retard – Not currently used. Will
always indicate 0 °BTDC
Closed Loop – Closed Loop Multiplier, an
indication of the amount of change that is
required by the controller to maintain the
desired operating range with regards to the
air to fuel ratio. Indicated as a percentage
Illustration 3.48 (%) of total correction. Ideally this value
should read 0%. This value can vary as
much as ±40%. The fuel quality and the basic engine condition can change this value.
Adaptive – Adaptive Multiplier, an indication of the amount of change that is required by the controller
to maintain a desired “Closed Loop Multiplier” of 0%. Indicated as a percentage (%) of total correction.
Ideally this value should read 0%. This value can vary as much as ±35%. The fuel quality and the
engine condition can change this value. The latest adaptive value is stored when the engine is stopped,
as long as battery power remains connected to the ECM.
Catalyst Delta P – Not currently used. Will always indicate 0 inches of water column.

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3.5.1.3 Engine Monitoring Screen 3
The Engine Monitoring Screen 3, Illustration 3.50 contains six gauges showing current engine
operating conditions. A description for each gauge is provided below.

Post-Cat Phi – Post-Catalyst Phi Value –

this is phi value read by the controller from
the UEGO sensor mounted on the outlet of
the catalyst on an emissions EICS system.
Without the emissions package present,
this value will read 0.

Pre-Cat Temp – Pre-Catalyst Exhaust

Temperature – This is the temperature of
the exhaust gas entering the catalyst on an
emissions EICS system. This value is
displayed in degrees Fahrenheit (°F).
Without the emissions package present,
this value will read 0.
Illustration 3.49

Post-Cat Temp – Post-Catalyst Exhaust Temperature – This is the temperature of the exhaust gas
exiting the catalyst on an emissions EICS system. This value is displayed in degrees Fahrenheit (°F).
Without the emissions package present, this value will read 0.
D-EPR Out Tgt – Pressure Target Out of D-EPR – This is the targeted differential pressure out of the
electronic pressure regulator (fuel control valve) with reference to the mixer inlet. This value is
displayed in inches of water column. At any given moment, this is the pressure set point being sent by
the ECM to the D-EPR.
D-EPR Out Act – Actual Pressure Out of D-EPR – This is the actual differential pressure out of the
electronic pressure regulator (with reference to the mixer inlet). This value is displayed in inches of
water column. This pressure is referenced to the pressure at the mixer inlet.

3.5.1.4 Engine Monitoring Screen 4

The Engine Monitoring Screen 4,
Illustration 3.51 contains six gauges showing
current engine operating conditions. A
description for each gauge is provided
below.
Throttle Inlet P – Throttle Inlet Air Pressure
– This is the air pressure created by the
turbocharger compressor at the mixer
intake. This value is read as pounds per
square inch absolute – PSIA (gauge
pressure + atmospheric pressure). On
naturally aspirated engines, this gauge is
grayed out and will read 0 psia, since the
TIP sensor is not used for NA engines.
Illustration 3.50

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Eng Fuelflow – Engine Fuel Flow – This is the estimated fuel flow through the D-EPR to the engine.
This value is displayed as standard cubic feet per minute (scfm).
Fuel @ D-EPR – Fuel Temperature at D-EPR – This is the measured fuel temperature entering the
electronic pressure regulator (fuel control valve). This value is displayed in degrees Fahrenheit (°F).
Suction P – Compressor Suction Pressure – This is the actual pressure entering the compressor unit.
This value is only displayed when the optional Murphy PXT® pressure transducer is used for
suction/speed control.
Engine Airflow – Engine Air Flow – This is a calculated value based on the mapped values of the
engine, air fuel ratio, speed and load of the engine. This value is displayed as standard cubic feet per
minute (scfm).
Throttle – Throttle Percent Open – This value is a measurement of the total opening percentage of the
engine throttle. 0% being fully closed and 100% being fully open.

3.5.1.5 Engine Monitoring Screen 5

The Engine Monitoring Screen 5, Illustration 3.52 contains spark information for each cylinder as well
as an overall average reading.

Spark kV per Cylinder – Each value represents the

demand voltage to jump the spark plug gap. The
cylinder numbers represent the block order of the
cylinders, not the firing order of the engine. The higher
the kV reading, the greater energy required to jump the
gap. An old or worn spark plug may require as much as
25-30kV to jump the gap whereas a tighter gapped
plug or a bridged plug may only require 5kV to jump the
gap. The higher the cylinder pressure at the time of
firing, the higher the demand voltage will be. During
typical operation the kV readings could range between
8kV and 22kV. kV is short for kilovolts. 1kV = 1,000
Illustration 3.51 volts. The AVG bar to the right is a real time average of
all of the cylinder readings.

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3.5.1.6 Engine Monitoring Screen 6
The Engine Monitoring Screen 6, Illustration 3.53 provides the user with statistics about the engine
such as current operating modes, time and date that the engine last stopped, number of starts, and run
time information. Each item displayed is described below.

Fuel Control Mode – Indicates the status of

the controller. The status of the controller will
be one of three states:
1) Open Loop – Indicates that the controller
has not met all requirements necessary to
rely on feedback control or the controller has
triggered an alarm and turned off closed-loop
control. In this mode, the D-EPR defaults to a
pre-determined value based on a variety of
operating conditions such as speed, load, air
temperature, fuel temperature, etc. See the
“Troubleshooting” section of this manual for
Illustration 3.52 details on the possible alarms that can cause
an Open Loop situation.
2) Closed Loop – Indicates all conditions have been met for the controller to rely on feedback control.
3) Closed Loop w/adaptive – Closed-Loop With Adaptive – Indicates all conditions have been met for
the controller to operate in closed-loop feedback mode and memorize its adjustments in real time.
Time – Time of day as set by the user.
Last Stop (Time) – This is a time stamp of the last instance the engine was stopped, either by the user
or by a safety shutdown.
Speed Control Mode – This is the speed control mode of the controller. The speed control has three
modes:
1) Manual – Indicates that the user has full control to manually adjust the speed of the engine.
2) Auto RPM minimum – The engine speed is being automatically controlled and based upon the
well suction pressure (when enabled); however it is at the minimum set point due to suction
targeting or has not yet reached its minimum permissible based on the engine’s coolant
temperature.
3) Auto RPM Control – The engine speed is in automatic operation based on the desired speed
setting based on the suction pressure (when enabled) and will control the engine’s speed
between the minimum and maximum RPM set by the end user.
Date – The calendar date as set by the end user.
Engine Speed Target – Desired speed of the engine as per the ECM
ECM/Engine Run Time – The accumulated hours of the ECM and the engine since the installation of
the EICS system. This may not be the actual hours on the engine. This number is not resettable.
Engine Starts – This is the number of times that the engine has been started since the installation of
the EICS system. This number is not resettable.
Percent Run Time – This is the percentage of run time of the engine since the last run time percentage
reset. This value can be reset by the end user.

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3.5.2 Target Speed
On Home Screen select Target Speed. This will allows the user
to view the access the Manual Target Speed screen, Illustration
3.55. Here the user can increase or decrease the engines target
speed. One single button press of the” up” or “down” arrow buttons
will change the RPM by 10 in that direction. Holding the button in
will allow the RPM to change at a greater rate and will continue to
Illustration 3.53 change until the button is released or the minimum/maximum set
point is reached

Pressing the “Home” button will return to the

Home Menu Screen.

Illustration 3.54

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4 Troubleshooting
This section of the manual is meant to provide information for each diagnostic message. The
conditions that trigger the message, the action that the system will take when the conditions are met,
and troubleshooting information to aid with repair are presented. A general “Engine does not start”
trouble tree is also included. The diagnostic guide assumes all electrical connections are properly
made and there are no corroded or damage pins. As a routine, the pins should be visual inspected
when diagnosing an electrical connection. Be careful not to damage the pins using an electric probe
while taking voltage or resistance measurements. The guide also assumes the diagnostic message
received is persistent and active. The date of last fault and number of occurrences (OC) are displayed
at the top right of all historic faults. Active faults do not show time/date, as the time date is “present”.
Periodically clearing faults will help the user determine the root cause of present issues with the engine.
The diagnostic messages can be viewed under Home/Engine Diagnostics. Active faults are shown on
the “active” page. Historic faults (non-active) are shown on the active page. A fault becomes “historic”
immediately after it is no longer active. A total of 7 different historic faults can store a “Fault Snap
Shot” FSS. If a historic fault has a fault snap shot, the letters “FSS” will be shown in the upper right
corner of the display. The FSS is for the first time the fault occurred, and the date of this FSS is
displayed.

4.1 Component Connector Pin Reference

ECM MODULE CONNECTORS ECM CONNECTOR

Illustration 4.2

Illustration 4.1

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 DIAGNOSTIC CONNECTOR DISPLAY CONNECTOR

Illustration 4.3 Illustration 4.4

TIP/ TMAP CONNECTOR OIL PRESSURE SENSOR CONNECTOR

E
X
H
A
U
S
T

G Illustration 4.6
Illustration 4.5

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EXHAUST GAS TEMP SENSOR D-EPR CONNECTOR

Illustration 4.7 Illustration 4.8

JACKET WATER TEMP SENSOR UEGO CONNECTOR

Illustration 4.9 Illustration 4.10

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 THROTTLE CONNECTOR SPEED PICKUP SENSOR

Illustration 4.11 Illustration 4.12

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4.2 ECM Connector Pin-out to End Device

ECM END DEVICE

CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
PANEL
PANEL SHUTDOWN SHUTDOWN
RELAY COIL (-) RELAY COIL (-)
FUEL
FUEL SHUTDOWN SHUTDOWN
VALVE (-) VALVE (-)
STARTER RELAY STARTER
J1 1 GROUND COIL(-) RELAY COIL(-)
J1 2 GROUND BATTERY (-) (-)
J1 3 Reserved N/A N/A
J1 4 Reserved N/A N/A
EICS DISPLAY PORT B PIN 2
SUCTION KEY YELLOW WIRE
J1 5 CAN2+ EMISSIONS KEY YELLOW WIRE
J1 6 Reserved N/A N/A
J1 7 Reserved N/A N/A
J1 8 Reserved N/A N/A
J1 9 VBAT BATTERY (+) (+)
J1 10 VBAT BATTERY (+) (+)
J1 11 GROUND BATTERY (-) (-)
J1 12 GROUND BATTERY (-) (-)
J1 13 Reserved N/A N/A
J1 14 Reserved N/A N/A
EICS DISPLAY PORT B PIN 3
SUCTION KEY GREEN WIRE
J1 15 CAN2- EMISSIONS KEY GREEN WIRE
J1 16 Reserved N/A N/A
J1 17 Reserved N/A N/A
J1 18 Reserved N/A N/A
J1 19 VBAT BATTERY (+) (+)
J1 20 VBAT BATTERY (+) (+)
J1 21 PUSH TO START CRANK SW NO
MANUAL SPEED MANUAL SPEED
J1 22 CONTROL COMMON CONTROL SW COMMON
J1 23 SPEED SELECT SW (+) SPEED SELECT SW COMMON
J1 24 Reserved N/A N/A
J1 25 Reserved N/A N/A

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
J1 26 Reserved N/A N/A
J1 27 Reserved N/A N/A
EMERGENCY
J1 28 ESD_SW (+) SHUTDOWN SW. COMMON
RUN/STOP SW (-) (OPEN
J1 29 TO RUN) IGNITION SW. NC
RUN/STOP SW(+) (OPEN
J1 30 TO RUN) IGNITION SW. COMMOM
J1 31 Reserved N/A N/A
MANUAL SPEED MANUAL SPEED
J1 32 CONTROL DECREASE CONTROL SW NC
J1 33 SPEED SELECT SW (-) SPEED SELECT SW NO
J1 34 Reserved N/A N/A
SUCTION
SUCTION PRESSURE PRESSURE
J1 35 SENSOR SENSOR BLUE WIRE
SUCTION
PRESSURE
SENSOR RED WIRE
PORT B PIN 1
EICS DISPLAY PORT B PIN 5

ECM CONTROLLED EMISSIONS KEY RED WIRE

J1 36 SUPPLY OUTPUT SUCTION KEY RED WIRE
J1 37 Reserved N/A N/A
J1 38 Reserved N/A N/A
EMERGENCY
J1 39 ESD_SW- SHUTDOWN SW. NO
J1 40 STARTER_HS
J1 41 PUD7_5V CRANK SW COMMON
MANUAL SPEED MANUAL SPEED
J1 42 CONTROL INCREASE CONTROL SW NO
J1 43 Reserved N/A N/A
J1 44 Reserved N/A N/A
J1 45 Reserved N/A N/A
PANEL SHUTDOWN RELAY COIL
J1 46 RELAY COIL(+) RELAY COIL (+) (+)
J1 47 Reserved N/A N/A
J1 48 Reserved N/A N/A

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
J1 49 Reserved N/A N/A
FUEL
FUEL SHUTDOWN FUEL SHUTDOWN SHUTDOWN
J1 50 VALVE (+) VALVE (+) VALVE (+)
SPEED PICKUP
J2 1 SPEED SIGNAL (+) SENSOR PIN 2
SPEED PICKUP
J2 2 SPEED SIGNAL (-) SENSOR PIN1
J2 3 Reserved N/A N/A
J2 4 Reserved N/A N/A
PRE-CATALYST PRE-CATALYST
EXHAUST GAS EXHAUST GAS
TEMPERATURE SENSOR TEMPERATURE
J2 5 (+) SENSOR PIN A
IGNITION CONNECTION - INGITION HARNESS
J2 6 ECM SIDE CONNECTOR PIN 10
J2 7 Reserved N/A N/A
J2 8 D-EPR FUSED SUPPLY D-EPR PIN 3
POST-CATALYST UEGO
HEATER (+) FUSED POST-CATALYST
J2 9 SUPPLY UEGO PIN 4
POST-CATALYST UEGO POST-CATALYST
J2 10 HEATER (-) UEGO PIN 3
PRE-CATALYST
J2 11 PRE-CATALYST UEGO_R UEGO PIN 5
PRE-CATALYST
J2 12 PRE-CATALYST UEGO_P UEGO PIN 1
J2 13 Reserved N/A N/A
J2 14 Reserved N/A N/A
PRE-CATALYST PRE-CATALYST
EXHAUST GAS EXHAUST GAS
TEMPERATURE SENSOR TEMPERATURE
J2 15 (-) SENSOR PIN B
D-EPR ECM
J2 16 CONTROLLED SUPPLY D-EPR PIN 6
PRE-CATALYST UEGO
HEATER (+) FUSED PRE-CATALYST
J2 17 SUPPLY UEGO PIN 4
J2 18 D-EPR GROUND D-EPR PIN4

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
RETURN
J2 19 Reserved N/A N/A
PRE-CATALYST UEGO PRE-CATALYST
J2 20 HEATER (-) UEGO PIN 3
PRE-CATALYST
J2 21 PRE-CATALYST UEGO_C UEGO PIN 2
PRE-CATALYST
J2 22 PRE-CATALYST UEGO_S UEGO PIN 6
PRE-CATALYST PRE-CATALYST
EXHAUST GAS EXHAUST GAS
TEMPERATURE SENSOR TEMPERATURE
J2 23 (+) SENSOR PIN A
PRE-CATALYST PRE-CATALYST
EXHAUST GAS EXHAUST GAS
TEMPERATURE SENSOR TEMPERATURE
J2 24 (-) SENSOR PIN B
J2 25 Reserved N/A N/A
J2 26 Reserved N/A N/A
J2 27 Reserved N/A N/A
G-LEAD /U-
J2 28 G-LEAD / U-LEAD * PANEL LEAD
J2 29 Reserved N/A N/A
IGNITION CONNECTION - INGITION HARNESS
J2 30 ECM SIDE CONNECTOR PIN 5
POST-CATALYST POST-CATALYST
J2 31 UEGO_R UEGO PIN 5
POST-CATALYST POST-CATALYST
J2 32 UEGO_P UEGO PIN 1
THROTTLE POSITION
J2 33 SENSOR SIGNAL 1 THROTTLE PIN 6
THROTTLE POSITION
J2 34 SENSOR - 5V SUPPLY THROTTLE PIN 3
THROTTTLE POSTION
J2 35 SENSOR RETURN THROTTLE PIN 2
IGNITION CONNECTION - IGNITION HARNESS
J2 36 ECM SIDE CONNECTOR PIN 4
IGNITION CONNECTION - IGNITION HARNESS
J2 37 ECM SIDE CONNECTOR PIN 9
J2 38 DBW+ THROTTLE PIN 4

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
J2 39 DBW- THROTTLE PIN 1
IGNITION CONNECTION - IGNITION HARNESS
J2 40 ECM SIDE CONNECTOR PIN 6
POST-CATALYST POST-CATALYST
J2 41 UEGO_C UEGO PIN 2
POST-CATALYST POST-CATALYST
J2 42 UEGO_S UEGO PIN 6
THROTTLE POSITION
J2 43 SENSOR SIGNAL 2 THROTTLE PIN 5
J2 44 Reserved N/A N/A
J2 45 Reserved N/A N/A
IGNITION CONNECTION - IGNITION HARNESS
J2 46 ECM SIDE CONNECTOR PIN 8
IGNITION CONNECTION - IGNITION HARNESS
J2 47 ECM SIDE CONNECTOR PIN 3
IGNITION CONNECTION - IGNITION HARNESS
J2 48 ECM SIDE CONNECTOR PIN 7
IGNITION CONNECTION - INGITION HARNESS
J2 49 ECM SIDE CONNECTOR PIN 2
IGNITION CONNECTION - IGNITION HARNESS
J2 50 ECM SIDE CONNECTOR PIN 1
J3 1 Reserved N/A N/A
J3 2 Reserved N/A N/A
J3 3 Reserved N/A N/A
D-EPR PIN 2
DIAGNOSTIC
J3 4 CAN1+ CONNECTOR PIN 7
D-EPR PIN 5
DIAGNOSTIC
J3 5 CAN1- CONNECTOR PIN 8
J3 6 Reserved N/A N/A
J3 7 Reserved N/A N/A
J3 8 Reserved N/A N/A
J3 9 Reserved N/A N/A
J3 10 Reserved N/A N/A
J3 11 Reserved N/A N/A
J3 12 Reserved N/A N/A
J3 13 Reserved N/A N/A
J3 14 Reserved N/A N/A

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
J3 15 Reserved N/A N/A
OIL PRESSURE SENSOR OIL PRESSURE
J3 16 5V SUPPLY SENSOR PIN B
OIL PRESSURE
J3 17 OIL PRESSURE SIGNAL SENSOR PIN C
OIL PRESSURE
J3 18 OIL PRESSURE RETURN SENSOR PIN A
J3 19 Reserved N/A N/A
J3 20 Reserved N/A N/A
J3 21 Reserved N/A N/A
J3 22 Reserved N/A N/A
J3 23 Reserved N/A N/A
SPEED PICKUP SENSOR SPEED PICKUP
J3 24 5V SUPPLY SENSOR PIN 3
SPEED PICKUP SENSOR SPEED PICKUP
J3 25 RETURN SENSOR PIN 1
J3 26 Reserved N/A N/A
J3 27 Reserved N/A N/A
J3 28 Reserved N/A N/A
J3 29 Reserved N/A N/A
J3 30 Reserved N/A N/A
MANIFOLD AIR TEMP
J3 31 SIGNAL TMAP SENSOR PIN 2
J3 32 Reserved N/A N/A
TMAP SENSOR 5V
J3 33 SUPPLY TMAP SENSOR PIN 3
MANIFOLD AIR
J3 34 PRESSURE SIGNAL TMAP SENSOR PIN 4
J3 35 TMAP SENSOR RETURN TMAP SENSOR PIN 1
J3 36 Reserved N/A N/A
J3 37 Reserved N/A N/A
J3 38 Reserved N/A N/A
J3 39 Reserved N/A N/A
J3 40 Reserved N/A N/A
JACKET WATER TEMP JACKET WATER
J3 41 SENSOR SIGNAL TEMP SENSOR PIN B
JACKET WATER TEMP JACKET WATER
J3 42 SENSOR RETURN TEMP SENSOR PIN A

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 ECM END DEVICE
CONNECTOR /
CONNECTOR PIN FUNCTION DEVICE PIN
THROTTLE INLET
PRESSURE SENSOR 5V
J3 43 SUPPLY TIP SENSOR PIN 3
THROTTLE INLET
PRESSURE SENSOR
J3 44 SIGNAL TIP SENSOR PIN 4
THROTTLE INLET
PRESSURE SENSOR
J3 45 RETURN TIP SENSOR PIN 1
J3 46 Reserved N/A N/A
J3 47 Reserved N/A N/A
J3 48 Reserved N/A N/A
J3 49 Reserved N/A N/A
J3 50 Reserved N/A N/A
* J2 pin 28 NOTE: If the G-Lead/U-Lead is used with an external
annunciator or tachometer, overspeed and underspeed faults must be
disabled in these devices, or false shutdowns may occur caused by EICS
diagnostic signals present on the G-Lead/U-Lead.

Table 6.1

4.3 ECM Fuses & Indicators

The EICS ECM contains six (6) on board fuses for circuit protection as well as 20 LED
indicators to provide the user with a visual status of the system. Below is a description of each
indicator and the function of each fuse. Illustration 4.13 shows each indicator as well as the
fuses placement and values.

4.3.1 ECM LED Indicators

HEALTH LED- Green indicator which provides a blinking feedback that the system is
operating. This indicator should always blink. The only time this indicator will not be lit is when
the system is off, the Main Fuse (30A) is blown, or the ECM is not operating properly.

FUSE1 LED- Green indicator will remain solid on when fuse 1 is intact. When fuse 1 (10A) is
blown the indicator will remain off. The only other time this indicator will be off is when the
system is off or the Main Fuse is blown.

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FUSE2 LED- Green indicator will remain solid on when fuse 2 is intact. When fuse 2 (10A) is
blown the indicator will remain off. The only other time this indicator will be off is when the
system is off or the Main Fuse is blown.

FUSE3 LED- Green indicator will remain solid on when fuse 3 is intact. When fuse 3 (10A) is
blown the indicator will remain off. The only other time this indicator will be off is when the
system is off or the Main Fuse is blown.

FUSE4 LED- Green indicator will remain solid on when fuse 4 is intact. When fuse 4 (10A) is
blown the indicator will remain off. The only other time this indicator will be off is when the
system is off or the Main Fuse is blown.

FUSE5 LED- Green indicator will remain solid on when fuse 5 is intact. When fuse 5 (10A) is
blown the indicator will remain off. The only other time this indicator will be off is when the
system is off or the Main Fuse is blown.

MIL- (Malfunction Indictor Lamp) Amber indicator. Provides feedback that an active diagnostic
condition is present.

WARN- (WARNING Indicator Lamp) Red indicator. Provides feedback that diagnostic
threshold condition is present that is set to provide a warning.

ESD- (Emergency Shutdown Indicator) Red indicator. Will be lit solid when ESD switch is
active.

A - Spare indicator. Not used at this time.

Cyl1 – Cyl8 – All are green indicators which will turn on and off as each cylinder fires.

IGN OFF- Red indicator. Will be lit solid when Ignition switch is in the off position or the G-lead
is grounded.

B - Spare indicator. Not used at this time.

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4.3.1 ECM Fuses
Below is a list of the fuses, their value and description of what circuit they provide protection
for.

Important Notice

Always turn off power to the ECM before removing the fuse cover or fuses. ATC Type
fuses should always be used. Only the fuse values defined below should be used. Higher
amperage fuse shall NEVER be used as a replacement. Before replacing the fuse cover,
ensure that the seal in the fuse cover lid is securely in place. Fuse cover fasteners should
be torqued to 2 ft.-lbs. to ensure a proper seal.

Main Fuse - 30 Ampere. Main fuse for the EICS systems that feeds all circuits.

Fuse1 – 10 Ampere. Fuse for Post-Catalyst UEGO sensor.

Fuse2 – 10Ampere. Fuse for Pre-Catalyst UEGO sensor.

Fuse3 – 10Ampere. Currently unused

Fuse4 – 10Ampere. Fuse for D-EPR.

Fuse5 – 10Ampere. Fuse for ignition system.

Note: Fuse 5 (the ignition fuse) is being transitioned from a 5 Ampere fuse
to the 10 Ampere fuse shown to accommodate future software changes.
Your system may have a 5 Ampere fuse in this position.

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 Illustration 4.13
Note: Fuse 5 (the ignition fuse) is being transitioned from a 5 Ampere fuse
to the 10 Ampere fuse shown to accommodate future software changes.
Your system may have a 5 Ampere fuse in this position.

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 4.4 EICS System Diagnostics

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Battery voltage Battery supply System disables Charging system 1.) Check charging system
is high voltage has “Adaptive Learn” overcharging. component. Repair/replace as
exceeded 32VDC for feature while fault is needed.
greater than 5 active.
seconds.

Battery voltage Battery supply System disables Faulty charging 1.) Check charging system
is low voltage has dropped “Adaptive Learn” system, battery, components. Repair/replace as
below 18VDC for feature while fault is power or ground needed.
more than 25 active. connection to ECM.
seconds. 2.) Test battery for dead cells.
Replace as needed.

3.) Measure the voltage at the ECM

between pins J1-2 and J1-9.

If voltage is significantly less than

voltage across battery repair/replace
harness providing power and ground
to the ECM.

CAN1 Address More than one Warning indication Third party device 1.) Check if any other non- EICS
Conflict device on CAN1 only- No change to with the same components are connected to CAN1
with the same system operation. source address Bus Pins J3-4 and J3-5. If so remove
source address connected on CAN 1 them wait 10 seconds message
bus. (CAN 1 Bus should go away, if not contact
devices on EICS are Enovation Controls distributor for
the D-EPR.) support.

CAN1 Receipt The ECM expects, D-EPR will not Short on CAN1 (+) 1.) Check FUSE 4 indicator on ECM. If
Failure but does not see function without or CAN1 (-) wires. indicator is not lit replace fuse.
any network traffic CAN1- Engine will not Sending network 2.) Check power and ground
on CAN1. run or run poorly. device (D-EPR) has connection to D-EPR. Repair as
lost power and/or needed.
ground connection. 3.) Check bundle harness routing
containing CAN1 wires to assure that
it is not routed next to sources of
high electrical noise (i.e. next to coils
wire). Reroute harness as
recommended in installation manual.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

4.) Check CAN1 Bus pins J3-4 and J3-5

for a short to ground short, short to
battery, or short between pins.
Repair as needed.
5.) Check CAN1 + pin for an open
circuit between D-EPR pin 2 and ECM
pin J3-4. Check CAN1- for an open
circuit between D-EPR pin 5 and ECM
pin J3-5. Repair if needed.

CAN1 ECM has D-EPR will not Short on CAN1 (+) 1.) Check FUSE 4 indicator on ECM. If
Transmission transmitted more function without or CAN1 (-) wires. indicator is not lit replace fuse.
Failure than 100 packets on CAN1- Engine will not Receiving network
2.) Check power and ground
network without run or run poorly. device has lost
connection to D-EPR. Repair as
any received. power and/or
needed.
ground connection.
3.) Check bundle harness routing
containing CAN1 wires to assure that
it is not routed next to sources of
high electrical noise (i.e. next to coils
wire). Reroute harness as
recommended in installation manual.

4.) Check CAN1 Bus pins J3-4 and J3-5

for a short to ground short, open
circuit, short to battery, or short
between pins. Repair as needed.

5.) Check CAN1 + pin for an open

circuit between D-EPR pin 2 and ECM
pin J3-4. Check CAN1- for an open
circuit between D-EPR pin 5 and ECM
pin J3-5. Repair if needed.

CAN2 Address More than one Warning indication Third party device 1.) Check if any other non- EICS
Conflict device on CAN2 only- No change to with the same components are connected to CAN2
with the same system operation. source address Bus Pins J1-5 and J1-15. If so remove
source address connected on CAN 2 them and wait 10 seconds message
bus (CAN 2 Bus should go away, if not contact
devices on EICS are Enovation Controls distributor for
Emissions Key, support.
Suction Key, and the
EICS Display.)

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

CAN2 Receipt The ECM expects Loss of function to Short on CAN2 (+) 1.) Check power and ground
Failure but does not see one or multiple CAN 2 or CAN2 (-) wires. connection to EICS display and / or
any network traffic devices. Sending network Suction Key and/or Emissions Key.
on CAN2. device has lost Repair as needed.
CAN 2 devices are
power and/or
Emissions Key, Suction 2.) Check bundle harness routing
ground connection.
Key and EICS Display. containing CAN2 wires to assure that
it is not routed next to sources of
-Suction Key not
high electrical noise (i.e. next to coils
operational. Will only
wire). Reroute harness as
allow manual speed
recommended in installation manual.
control.
3.) Check CAN2 Bus pins J1-5 and J1-
-Emission Key not
15 for a short to ground short, open
operational. Will
circuit, short to battery, or short
cause engine to revert
between pins. Repair as needed.
to non-emissions
calibration. 4.) Check CAN2 + pin for an open
circuit between the following pins:
-EICS display not
operational. Will ECM J1-5 and Emissions / Suction
result in lack of screen Key – Yellow wire
updates.
ECM J1-5 and EICS Display Port B Pin
2

Check CAN2 + pin for an open circuit

between the following pins:

ECM J1-15 and Emissions / Suction

Key – Green wire

ECM J1-15 and EICS Display Port B

Pin 3

Repair any open circuit as needed.

CAN2 ECM has Loss of function to Short on CAN2 (+) 1.) Check power and ground
Transmission transmitted more one or multiple CAN 2 or CAN2 (-) wires. connection to EICS display and / or
Failure than 100 packets on devices. Receiving network Suction Key and/or Emissions Key.
network without device has lost Repair as needed.
CAN 2 devices are
any received. power and/or
Emissions Key, Suction 2.) Check bundle harness routing
ground connection.
Key and EICS Display. containing CAN2 wires to assure that
-Suction Key not it is not routed next to sources of
operational. Will only high electrical noise (i.e. next to coils
allow manual speed wire). Reroute harness as
control. recommended in installation manual.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

-Emission Key not 3.) Check CAN2 Bus pins J1-5 and J1-
operational. Will 15 for a short to ground short, open
cause engine to revert circuit, short to battery, or short
to non-emissions between pins. Repair as needed.
calibration.
4.) Check CAN2 + pin for an open
-EICS display not circuit between the following pins:
operational. Will ECM J1-5 and Emissions / Suction
result in lack of Key – Yellow wire
information being
ECM J1-5 and EICS Display Port B Pin
updated on the
2
display.
Check CAN2 + pin for an open circuit
between the following pins:

ECM J1-15 and Emissions / Suction

Key – Green wire
ECM J1-15 and EICS Display Port B
Pin 3

Repair any open circuit as needed.

CAN The ECM has lost Loss of D-EPR Short on CAN1 (+) 1.) Check FUSE 4 indicator on ECM. If
communication communication function. Engine will or CAN1 (-) wires. D- indicator is not lit replace fuse.
lost with D-EPR with the D-EPR for not run or run poorly. EPR has lost power
2.) Check power and ground
greater than 0.5Sec. and/or ground
connection to D-EPR. Repair as
connection.
needed.

3.) Check bundle harness routing

containing CAN1 wires to assure that
it is not routed next to sources of
high electrical noise (i.e. next to coils
wire). Reroute harness as
recommended in installation manual.

4.) Check CAN1 Bus pins J3-4 and J3-5

for a short to ground short, open
circuit, short to battery, or short
between pins. Repair as needed.

5.) Check CAN1 + pin for an open

circuit between D-EPR pin 2 and ECM
pin J3-4. Check CAN1- for an open
circuit between D-EPR pin 5 and ECM
pin J3-5. Repair if needed.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Catalyst Delta Differential Warning indication Misfiring cylinder(s). 1.) Inspect for poor connections on
Temperature temperature across only- No change to secondary leads. Repair/replace as
Too High. catalyst has system operation. needed.
exceeded
predetermined 2.) Perform Auto Spark Kill Test. See
limit. section 3.4.2.3

Catalyst Delta Rapid temperature Warning indication Misfiring cylinder(s). 1.) Inspect for poor connections on
Temperature change across only- No change to Engine restarted secondary leads. Repair/replace as
Too High 2. catalyst. system operation. with very high needed.
catalyst
temperatures. 2.) Perform Auto Spark Kill Test. See
section 3.4.2.3

Catalyst inlet or Catalyst inlet or Engine will shutdown Misfiring cylinder(s). 1.) Inspect for poor connections on
outlet outlet temperature secondary leads. Repair/replace as
temperature is has exceeded user needed.
over global defined shutdown
maximum limit. 2.) Perform Auto Spark Kill Test. See
allowed section 3.4.2.3

Closed-loop Closed-loop Warning indication Fuel supply pressure 1.) Inspect bias line between mixer
control has correction has only - No change in to D-EPR is too low. and ounce regulator for leaks.
caused more exceeded +40% the operation of the Repair/replace as needed.
fuel to be system. Bias line between to
added to base mixer and ounce 2.) Inspect air intake after mixer for
calibration than regulator leaking. any leaks. Repair/replace as needed.
expected
Damaged mixer 3.) Check exhausts system for leaks.
diaphragm. Repair/replace as needed.

Exhaust leak prior to 4.) At engine idle check that the fuel
the UEGO sensor. pressure entering the D-EPR is
between 15 inH2O and 16.5 inH2O
Air intake leak after
mixer. 5.) Open mixer top cover, remove and
inspect diaphragm for holes or tears.
Fuel properties Replace if needed.
entered into base
engine setup are 6.) Check that the fuel properties
incorrect. entered in the engine setup are
accurate. Correct as necessary.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Closed-loop Closed-loop Warning indication Damaged mixer 1.) At engine idle check that the fuel
control has correction has only - No change in diaphragm. pressure entering the D-EPR is
caused more exceeded -40% the operation of the between 15 inH2O and 16.5 inH2O.
fuel to be taken system. Fuel pressure to D- Correct if needed.
away from base EPR very high.
calibration than 2.) Open mixer top cover, remove and
Fuel properties inspect diaphragm for holes or tears.
expected
entered into base Replace if needed.
engine setup are
incorrect. 3.) Check that the fuel properties
entered in the engine setup are
accurate. Correct as necessary.

Cylinder (#) Measured cylinder Warning indication Spark plug gap is 1.) Check that spark plug is gapped
demand spark demand only - No change in too wide. per engine manufacturer
voltage is voltage (kV) is high. the operation of the Spark plug faulty. recommendation. Re-gap plug /
higher than system. replace plug if worn.
expected. (# =
Cyl 1 to 6)

Cylinder (#) Measured cylinder Warning indication Spark plug gap too 1.) Check that spark plug is gapped
demand spark demand only - No change in narrow. Spark plug per engine manufacturer
voltage is lower voltage (kV) is low. the operation of the bridged by carbon recommendation. Re-gap plug if
than expected system. deposits. need.
(# = Cyl 1 to 6)
Loose spark plug 2.) Check plug for damage and debris.
wire between coil Replace if necessary.
and plug. 3.) Check spark plug wire connection
to coil. Check plug wire for abrasion
Interference
in insulation or arcing to block.
between sense and
coil +. 4.) Check primary side of coil for
debris or contamination between
Low compression. sense (S) and Coil (+) ring terminals.

5.) Conduct Compression Test. See

section 3.4.2.1

Cylinder (#) System has System goes into Weak cylinder. 1.) Check plug for damage and debris.
Misfire detected that "Open Loop" mode Faulty plug, plug Replace if necessary.
Detected (# = cylinder is not and “Adaptive Learn” wire or secondary /
2.) Check spark plug wire connection
Cyl 1 – 6) consistently igniting no longer updates primary connection.
to coil. Check plug wire for abrasion
cylinder gases. while fault is active. Low compression.
in insulation or arcing to block.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

3.) Check primary side of coil for

debris or contamination between
sense (S) and Coil (+) ring terminals.

4.) Conduct Compression Test. See

section 3.4.2.1

Engine speed is Engine speed has Engine will shut down. Overspeed limit set 1.) Check Overspeed Shutdown limit
faster than exceed user defined too close to on EICS display under operating
target speed “Overspeed operating speed. settings. Overspeed shutdown
Shutdown” limit should be set at least 100rpm over
Damaged drive
the operating rpm.
coupling.
ESD shutdown ESD switch input Engine will not start or ESD switch active. 1.) Check to see if ESD switch is
activated. will be shut down. activated. If another device is
Short to ground on connected to the ESD input insure
ESD switch input. that it is not activating the input also.
Remove active shutdown conditions.

2.) Check ESD input, pin J1-28 for a

short to ground. Repair as needed.

Fuel pressure Fuel pressure out of System goes into Fuel inlet pressure If fault is presently active:
out of the D- D_EPR has "Open Loop" mode to D-EPR very high.
1.) At engine idle check that the fuel
EPR is higher exceeded 1.5" over until fault is no longer
Faulty D-EPR pressure entering the D-EPR is
than expected targeted value for active.
between 15 inH2O and 16.5 inH2O
more than 2
Correct if needed.
seconds.
2.) Check connections to D-EPR,
repair if needed.

3.) Replace D-EPR if needed.

If fault was, but is no longer active:

1.) Likely cause would be a temporary

supply issue to the ounce regulator.

Fuel pressure Fuel pressure out of System goes into Fuel inlet pressure If fault is presently active:
out of the D- D_EPR has dropped "Open Loop" mode. to D-EPR very low.
1.) Inspect the bias line between the
EPR is lower below -1.5" under Fault must be cleared
Bias line between to mixer and ounce regulator for leaks.
than expected targeted value for and the engine must
mixer and ounce Repair / replace as needed.
more than 2 go through a
regulator leaking.
seconds. stop/start cycle. 2.) At engine idle check that the fuel
Faulty D-EPR pressure entering the D-EPR is
between 15 inH2O and 16.5 inH2O.
Correct if needed.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

3.) Check connections to D-EPR,

repair if needed.

4.) Replace D-EPR if needed.

If fault was, but is no longer active:

1.) Likely cause would be a

temporary fuel supply shortage to the
ounce regulator.

Intake air Intake air “Adaptive Learn” no Intake backfire. 1.) Check intercooler / after cooler for
temperature is temperature has longer updates while restrictions, obstructions, belt,
higher than exceeded pre- fault is active. Restricted coolant level. Repair / replace as
expected. defined value. intercooler / needed.
aftercooler.
2.) Check for cause of backfire;
Sources: stuck valve, faulty plugs /
plug wires

3.) Check mixer diaphragm for any

holes. Replace if needed.

Intake air Intake air Engine will shut down. Intake backfire. 1.) Check intercooler / after cooler for
temperature is temperature has restrictions, obstructions, belt,
much higher exceeded user Restricted coolant level. Repair / replace as
than expected. defined shutdown intercooler / needed.
value. aftercooler.
2.) Check for cause of backfire;
Sources: stuck valve, faulty plugs /
plug wires

3.) Check mixer diaphragm for any

holes. Replace if needed.

Intake air TMAP signal has Engine will shut down. Open circuit on See Flowchart in Section 4.4.1
temperature exceeded 4.95VDC TMAP sensor signal,
sensor voltage power or return.
reading is Faulty TMAP sensor.
higher than
expected.

Intake air TMAP signal has Engine will shut down. Short to ground on See Flowchart in Section 4.4.2
temperature dropped below TMAP sensor signal.
sensor voltage 0.05VDC Faulty TMAP sensor.
reading is lower
than expected.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Internal D-EPR Internal problems System goes into Faulty D-EPR. Contact Enovation Controls
Fault detected within the "Open Loop" mode distributor for support.
D-EPR and “Adaptive Learn”
no longer updates
while fault is active.

Internal A/D Loss Engine will shutdown. Internal ECM fault. Contact Enovation Controls
Processor Fault Poor power or distributor for support.
ground connection.

Internal COP Failure Engine will shutdown. Internal ECM fault. Contact Enovation Controls
Processor Fault distributor for support.

Internal Invalid interrupt Engine will shutdown. Internal ECM fault. Contact Enovation Controls
Processor Fault distributor for support.

Jacket water Jacket water “Adaptive Learn” no Coolant level low. 1.) Check coolant level, refill as
temperature is temperature has longer updates while Lack of airflow needed.
higher than exceeded 212°F. fault is active. across cooler. Faulty
expected. sensor 2.) Check for proper airflow across
cooler. Remove any obstructions.

3.) With system shutdown does

Jacket water temperature on the EICS
Display drop as the engine cools. If
not replace sensor.

Jacket water Jacket water Engine will shutdown Coolant level low. 1.) Check coolant level, refill as
temperature is temperature has Lack of airflow needed.
much higher exceeded the user across cooler. Faulty
than expected. defined maximum sensor 2.) Check for proper airflow across
setting. cooler. Remove any obstructions.

3.) With system shutdown does

Jacket water temperature on the EICS
Display drop as the engine cools. If
not replace sensor.

Jacket water Sensor voltage has Engine will shutdown Open circuit on See Flowchart in Section 4.4.3
temperature exceeded 4.9VDC Jacket water sensor
sensor voltage for more than 1 signal or return.
is higher than second. Faulty sensor.
expected

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Jacket water Sensor voltage has Engine will shutdown Short to ground on See Flowchart in Section 4.4.4
temperature fallen below 0.1VDC Jacket water sensor
sensor voltage for more than 1 signal. Faulty Jacket
is lower than second. water sensor.
expected

Manifold air Manifold pressure Engine will shut down. Boost control valve 1.) Inspect the boost control valve
pressure is has exceeded a pre- not operating repair/replace if needed.
higher than set maximum properly.
expected condition for the 2.) With the engine off verify the
engine. Short to power manifold pressure reads atmospheric.
source on MAP If reading is incorrect replace the
signal TMAP sensor.

TMAP sensor faulty.

Manifold air Pressure signal from “Adaptive Learn” no Short to ground or 1.) With the TMAP harness connector
pressure sensor TMAP sensor has longer updates while open circuit on MAP unplugged measure the voltage on
voltage is dropped below fault is active. signal. the harness side connector between
reading lower 0.200VDC pin 3 and pin 1. If 5VDC is not
than expected Loss of TMAP 5V present repair harness.
supply to sensor.
2.) With the TMAP harness
Faulty TMAP sensor. connector unplugged and the ECM
connector unplugged check for an
open circuit between TMAP
connector pin 4 and ECM connector
J3-34. Also check for a short to
ground on the TMAP harness pin 4.
Repair harness as needed.

3.) If all above items do not correct

issue then replace the TMAP sensor.

Oil pressure is Oil pressure has Warning indication Engine oil is cold. 1.) If engine oil is cold, allow engine
high exceeded 100 psig only - No change in oil to warm up and recheck.
the operation of the Engine's oil 2.) Compare oil pressure reading with
system. pressure relief valve manual gauge. Check engine's oil
has failed. pressure relief valve. Replace the
relief valve if needed.
Oil pressure sensor
3.) If items above do not correct
faulty.
issue replace oil pressure sensor.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Oil pressure is Oil pressure has Warning indication Engine has a failure Verify the pressure reading. If
low dropped below the only - No change in in the oil delivery pressure is confirmed low, locate and
pre-defined set the operation of the system. resolve issue before operating
point. system. engine. If low pressure is not verified
Oil pressure sensor with gauge replace oil pressure
faulty. sensor.

Oil pressure is Oil pressure has Engine will shut down. Engine has a failure Verify the pressure reading. If
very low dropped below user in the oil delivery pressure is confirmed low, locate and
defined set point. system. Oil resolve issue before operating
pressure sensor engine. If low pressure is not verified
faulty. with gauge replace oil pressure
sensor.

Oil pressure Oil pressure sensor Engine will shut down. Open circuit on oil 1.) With oil pressure sensor
sensor voltage signal has exceeded pressure signal, connector unplugged measure the
is high 4.8VDC. return or supply. voltage on the harness connector
between Pin B and Pin A. If 5VDC is
Oil pressure sensor not present check for an open circuit
faulty. on the oil pressure sensor 5V supply
and oil pressure sensor return pin to
the ECM. This can be done by
checking continuity between Pin B on
the oil pressure sensor connector and
J3-16 on the ECM connector and Pin
A on the oil pressure sensor harness
connector and J3-18 on the ECM
connector. Repair harness as
needed.

2.) With oil pressure sensor

connector unplugged measure the
voltage on the harness connector
between Pin C and Pin A. If voltage is
less than 4.9VDC. Repair open circuit
between oil pressure signal Pin C and
ECM connector J3-17.

3.) If all above items do not correct

issue then replace the oil pressure
sensor.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Oil pressure Oil pressure sensor Engine will shut down. Short to ground on 1.) With oil pressure sensor
sensor voltage signal has dropped oil pressure sensor connector unplugged measure the
is low below 0.3VDC. signal. voltage on the harness connector
between Pin C and Pin A. If voltage is
Oil pressure sensor less than 4.9VDC. Locate and repair
faulty. short to ground oil pressure signal
(Pin A).

2.) If the above item did not correct

issue then replace the oil pressure
sensor.

Panel U-lead / G-Lead Engine will shut down. ECM G-lead 1.) Check to see if any item in the
Shutdown (U- grounded. grounded from the control panel has an active shutdown
Lead/G-Lead user's control panel. that has the G-lead grounded and
Grounded) remove condition.
System's ignition
shutdown lead (G- 2.) Check for a short to ground on the
lead) has shorted to G-lead wire, ECM pin J2-28
ground.

Post-catalyst Post-catalyst RTD Engine will shut down. Open circuit on 1.) With the sensor unplugged check
RTD voltage voltage has post-catalyst RTD for an open circuit from the Pin A of
high exceeded 4.7 VDC sensor signal or the post-catalyst RTD harness
return. connector to pin J2-23 on the ECM
connector. Repair as needed.
Post-catalyst RTD
sensor faulty. 2.) With the sensor unplugged check
for an open circuit from the Pin B of
the post-catalyst RTD harness
connector to pin J2-24 ECM
connector. Repair as needed.

If no open circuit is found on either

circuit replace the Post-catalyst RTD.

Post-catalyst Post-catalyst RTD Engine will shut down. Short to ground on 1.) With the sensor unplugged check
RTD voltage voltage has dropped RTD sensor signal. for a short to ground on the Pin A of
low below 0.3 VDC the post-catalyst RTD harness
Post-catalyst RTD connector, repair as needed. If no
sensor faulty. fault to ground is replace the post-
catalyst RTD.

00-02-0741 [57] 2016-06-15

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Post-catalyst UEGO heater System goes into Post-catalyst UEGO 1.) Check FUSE1 indicator on ECM if
UEGO heater voltage dropped "Open Loop" mode heater signal open indicator is not lit, replace FUSE1 with
open / short to below low threshold and “Adaptive Learn” circuit or shorted to 10Amp ATC fuse.
ground. no longer updates ground. 2.) With the UEGO sensor connector
while fault is active. unplugged measure the voltage from
Post-catalyst UEGO
UEGO connector Pin 4 to ground. If
sensor faulty.
battery voltage is not present repair
open circuit between UEGO
connector Pin 4 and ECM connector
Pin J2-9.
3.) With the UEGO sensor connector
unplugged measure the resistance to
ground from Pin 3 UEGO harness
connector. If the resistance is less
than 50kohm, repair short to ground
on circuit from UEGO Pin 3 to ECM
connector J2-10.
4.) If the above items did not correct
issue then replace the post-catalyst
UEGO sensor.
Post-catalyst UEGO heater has System goes into UEGO has a short 1.) With UEGO sensor unplugged and
UEGO heater is exceeded the high "Open Loop" mode between the heater ECM connectors unplugged, check for
shorted to threshold and “Adaptive Learn” supply and return. a short between UEGO Pin 3 and Pin
power. no longer updates 4. If short exists locate and repair.
while fault is active. UEGO sensor faulty.
2.) If the above action does not
resolve replace the post-catalyst
UEGO sensor.
Post-catalyst Internal ECM fault System goes into ECM Faulty Replace ECM.
UEGO internal "Open Loop" mode
processor fault and “Adaptive Learn”
no longer updates
while fault is active.
Post-catalyst UEGO sensor did System goes into Exhaust 1.) Check if battery voltage is low and
UEGO pump not reach a "Open Loop" mode temperature at check connections to UEGO sensor.
cell is slow to minimum operating and “Adaptive Learn” sensor too low. Repair as needed.
warm up temperature within no longer updates 2.) Exhaust temperature may be too
appropriate time while fault is active. Faulty Post-catalyst low. Does diagnostic message remain
limit. UEGO sensor. after exhaust has warmed up? Check
exhaust temperature.
3.) Replace post-catalyst UEGO
sensor.

00-02-0741 [58] 2016-06-15

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Post-catalyst UEGO pump voltage System goes into Short to battery on 1.) With the post-catalyst UEGO
UEGO pump shorted to battery. "Open Loop" mode UEGO pump circuit. sensor unplugged check for a short to
voltage is and “Adaptive Learn” power on UEGO harness connector
shorted high no longer updates pin 1 by measuring the voltage
while fault is active. between Pin1 and ground. Repair if
needed.

2.) Replace post-catalyst UEGO

sensor.

Post-catalyst Supply circuit is System goes into Short to ground on 1.) Check for a short to ground on
UEGO pump shorted to ground "Open Loop" mode UEGO pump circuit. UEGO harness connector pin 1 and
voltage shorted and “Adaptive Learn” repair if needed.
low no longer updates
2.) Replace post-catalyst UEGO
while fault is active.
sensor.

Post-catalyst UEGO return System goes into Short to battery on 1.) With the sensor unplugged check
UEGO return shorted to battery. "Open Loop" mode UEGO return circuit. for a short to power on UEGO harness
voltage is and “Adaptive Learn” connector pin 2 by measuring the
shorted high no longer updates voltage between Pin2 and ground.
while fault is active. Repair if needed.

2.) Replace post-catalyst UEGO

sensor.

Post-catalyst UEGO return System goes into Short to ground on 1.) Check for a short to ground on
UEGO return shorted to ground "Open Loop" mode UEGO return circuit. UEGO connector pin 2 and repair if
voltage is and “Adaptive Learn” needed.
shorted low no longer updates
2.) Replace post-catalyst UEGO
while fault is active.
sensor.

Post-catalyst UEGO sensor System goes into UEGO sense cell has 1.) With the sensor unplugged check
UEGO sense exceeded the "Open Loop" mode been shorted to for a short to power on UEGO
cell voltage is maximum and “Adaptive Learn” battery. connector pin 6 by measuring the
high temperature no longer updates voltage between pin 6 and ground.
threshold while fault is active. Repair if needed.

2.) Replace post-catalyst UEGO

sensor.

Post-catalyst UEGO sensor did System goes into UEGO sense has 1.) Check for a short to ground on
UEGO sense not reach the "Open Loop" mode been shorted to UEGO connector pin 6 and repair if
cell voltage is required and “Adaptive Learn” ground. needed.
low temperature no longer updates
2.) Replace post-catalyst UEGO
threshold while fault is active.
sensor.

00-02-0741 [59] 2016-06-15

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Pre-catalyst Pre-catalyst RTD Engine will shut down. Open circuit on Pre- 1.) With the sensor unplugged Check
RTD voltage voltage has catalyst RTD sensor for an open circuit from pin A of the
high exceeded 4.7 VDC signal or return. pre-catalyst RTD harness connector
to pin J2-5on the ECM connector.
Pre-catalyst RTD Repair as needed.
sensor faulty.
2.) With the sensor unplugged check
for an open circuit from Pin B of the
pre-catalyst RTD harness connector
to pin J2-15 on the ECM connector.
Repair as needed.

If no open circuit is found on either

circuit replace the Pre-catalyst RTD.

Pre-catalyst Pre-catalyst RTD Engine will shut down. Short to ground on 1.) With the sensor unplugged check
RTD voltage voltage has dropped RTD sensor signal. for a short to ground on Pin A of the
low below 0.3 VDC pre-catalyst RTD harness connector,
Pre-catalyst RTD repair as needed. If no fault to
sensor faulty. ground is replace the pre-catalyst
RTD.

Pre-catalyst UEGO heater System goes into Pre-catalyst UEGO 1.) Check FUSE2 indicator on ECM if
UEGO heater voltage dropped "Open Loop" mode heater signal open indicator is not lit, replace FUSE2 with
open / short to below low threshold and “Adaptive Learn” circuit or shorted to 10Amp ATC fuse.
ground. no longer updates ground.
2.) With the UEGO sensor connector
while fault is active.
Pre-catalyst UEGO unplugged measure the voltage from
sensor faulty. UEGO connector Pin 4 to ground. If
battery voltage is not present repair
open circuit between UEGO
connector Pin 4 and ECM connector
Pin J2-17.

3.) With the UEGO sensor connector

unplugged, measure the resistance to
ground from Pin 3. If the resistance is
less than 50k, repair short to ground
on circuit from UEGO Pin 3 to ECM
connector J2-20.

4.) If the above items did not correct

issue, then replace the pre-catalyst
UEGO sensor.

00-02-0741 [60] 2016-06-15

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Pre-catalyst UEGO heater has System goes into UEGO has a short 1.) With UEGO sensor unplugged and
UEGO heater is exceeded the high "Open Loop" mode between the heater ECM connectors unplugged, check for
shorted to threshold and “Adaptive Learn” supply and return. a short between UEGO Pin 3 and Pin
power. no longer updates UEGO sensor faulty. 4. If short exists locate and repair.
while fault is active.
2.) If the above action does not
resolve replace the pre-catalyst UEGO
sensor.

Pre-catalyst Internal ECM fault System goes into ECM Faulty Replace ECM.
UEGO internal "Open Loop" mode
processor fault and “Adaptive Learn”
no longer updates
while fault is active.

Pre-catalyst UEGO sensor did System goes into Exhaust 1.) Check if the battery voltage is low
UEGO pump not reach a "Open Loop" mode temperature at and check connections to the UEGO
cell is slow to minimum operating and “Adaptive Learn” sensor too low. sensor.
warm up temperature within no longer updates
appropriate time while fault is active. Faulty Pre-catalyst 2.) Exhaust temperature may be too
limit. UEGO sensor. low. Check exhaust temperature.
3.) Replace pre-catalyst UEGO
sensor.

Pre-catalyst UEGO pump voltage System goes into Short to battery on 1.) With the post-catalyst UEGO
UEGO pump shorted to battery. "Open Loop" mode UEGO pump circuit. sensor unplugged check for a short to
voltage is and “Adaptive Learn” power on UEGO harness connector
shorted high no longer updates pin 1 by measuring the voltage
while fault is active. between Pin1 and ground. Repair if
needed.

2.) Replace UEGO sensor.

Pre-catalyst Supply circuit is System goes into Short to ground on 1.) Check for a short to ground on
UEGO pump shorted to ground "Open Loop" mode UEGO pump circuit. UEGO connector pin 1 and repair if
voltage shorted and “Adaptive Learn” needed.
low no longer updates
while fault is active. 2.) Replace UEGO sensor.

Pre-catalyst UEGO return System goes into Short to battery on 1.) Check for a short to power on
UEGO return shorted to battery. "Open Loop" mode UEGO return circuit. UEGO connector pin 2 and repair if
voltage is and “Adaptive Learn” needed.
shorted high no longer updates
while fault is active. 2.) Replace pre-catalyst UEGO sensor.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Pre-catalyst UEGO return System goes into Short to ground on 1.) Check for a short to ground on
UEGO return shorted to ground "Open Loop" mode UEGO return circuit. UEGO connector pin 2 and repair if
voltage is and “Adaptive Learn” needed.
shorted low no longer updates 2.) Replace pre-catalyst UEGO sensor.
while fault is active.
Pre-catalyst UEGO sensor System goes into UEGO sense has 1.) With the sensor unplugged check
UEGO sense exceeded the "Open Loop" mode been shorted to for a short to power on UEGO harness
cell voltage is maximum and “Adaptive Learn” battery. connector pin 6 by measuring the
high temperature no longer updates voltage between pin 6 and ground.
threshold while fault is active. Repair if needed.

2.) Replace pre-catalyst UEGO sensor.

Pre-catalyst UEGO sensor did System goes into UEGO sense has 1.) Check for a short to ground on
UEGO sense not reach the "Open Loop" mode been shorted to UEGO connector pin 6 and repair if
cell voltage is required and “Adaptive Learn” ground. needed.
low temperature no longer updates
2.) Replace pre-catalyst UEGO sensor.
threshold while fault is active.

Signal from Pattern from speed Engine will not start. Intermittent wiring 1.) Check that the speed sensor is
speed pickup pickup assembly connection. properly seated in speed pickup
did not allow invalid. assembly.
engine to sync Speed sensor faulty.
2.) Check for open circuit on speed
at starting sensor return. Check continuity
Faulty speed pickup
assembly. between speed sensor Pin 1 and ECM
connector J2-2. Repair if needed.
3.) Un-mount speed pickup assembly
and spin drive coupling by hand.
Speed pickup should be able to be
easily turned by hand and turn
smoothly and freely. There should be
very little to no backlash in gear train.
Replace if needed.
4.) If none of the above corrects the
problem, replace the speed sensor.

Signal from Pattern from speed System goes into Intermittent wiring 1.) Check that the speed sensor is
speed pickup is pickup assembly "Open Loop" mode connection. properly seated in speed pickup
noisy invalid. and “Adaptive Learn” Speed sensor faulty. assembly.
no longer updates 2.) Check for open circuit on speed
Faulty speed pickup
while fault is active. sensor return. Check continuity
assembly.
between speed sensor Pin 1 and ECM
connector J2-2. Repair if needed.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

3.) Un-mount speed pickup assembly

and spin drive coupling by hand.
Speed pickup should be able to be
easily turned by hand and turn
smoothly and freely. There should be
very little to no backlash in gear train.
Replace if needed.

4.) If none of the above corrects the

problem, replace the speed sensor.

Signal from Signal not seen from Engine will shutdown. Loss of speed sensor See Flowchart in Section 4.4.5
speed pickup speed pickup 5V supply or return.
lost assembly
Short to ground on
speed signal.

Speed sensor faulty.

Faulty speed pickup

assembly.

Spark (#) kV Cylinder spark Warning indication Spark plug gap too 1.) Check that spark plug is gapped
Above Average demand is 5 kV only - No change in wide. per engine manufacturer
(# Cyl 1-6) above the average the operation of the recommendation. Re-gap plug /
of all cylinders. system. Spark plug faulty. replace plug if worn.

Spark (#) kV Cylinder spark Warning indication Spark plug gap too 1.) Check that spark plug is gapped
Below Average demand is 5 kV only - No change in narrow. per engine manufacturer
(# Cyl 1-6) below the average the operation of the recommendation. Re-gap plug if
of all cylinders. system. Spark plug gap is needed.
being bridged by
carbon deposits. 2.) Check plug for damage and debris.
Loose spark plug Replace if necessary.
wire between coil
and plug. 3.) Check spark plug wire connection
to coil. Check plug wire for abrasion
Poor / shorted in insulation or arcing to block.
secondary
connection. 4.) Check primary side of coil for
debris or contamination between
sense (S) and Coil (+) ring terminals.

00-02-0741 [63] 2016-06-15

Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Spark (#) Open Voltage from the Warning indication Poor connection / 1.) Check for an open circuit from the
Primary (# Cyl ECM to the coil has only - No change in open circuit to ECM to the primary coil +. Repair if
1-6) not been the operation of the primary wire to coil needed.
discharged. system. (Coil +) 2.) Test resistance across Coil (+) &
Ignition coil faulty. Coil (-). Replace coil if resistance is
not between 3.1 ohms to 3.8ohms.

Spark (#) Open Voltage from coil to Warning indication Poor connection / 1.) Check that spark plug wire is
Secondary (# the spark plug has only - No change in open circuit on plug securely attached to coil and spark
Cyl 1-6) not discharged. the operation of the wire. plug and it is not damaged.
system.
Spark plug faulty. 2.) Test resistance between the
Ignition coil faulty. ground post (G) and plug wire
receptacle. Replace coil if resistance
is not between 10.9 ohms and
13.4ohms.

Spark (#) Voltage from ECM Warning indication Short to ground on 1.) Check for a short to ground on the
Shorted to coil has only - No change in primary wire to coil. Coil (+) wire. Repair if needed
Primary (# Cyl discharged outside the operation of the (Coil +). 2.) Test resistance across Coil (+) &
1-6) of design range system. Coil (-). Replace coil if resistance is
not between 3.1 ohms to 3.8ohms.

Suction Input voltage from Warning indication Sensor has a short 1.) Check for a short to power source
pressure sensor suction pressure only - No change in between output by measuring the voltage between
voltage output sensor has the operation of the wiring and an the suction pressure sensor blue wire
high exceeded 4.80 VDC system. external power and ground. If voltage is greater than
source. 4.8V repair wiring.

Faulty sensor. 2.) If above item does not resolve

issue replace suction pressure sensor.

Suction Input voltage from Warning indication Sensor has a short 1.) Check that the suction pressure
pressure sensor suction pressure only - No change in between output sensor is being supplied power. The
voltage output sensor has dropped the operation of the wiring and a ground suction pressure sensor red wire
low below 0.2 VDC system. source. should be connected to ECM
connector pin J1-36
Faulty sensor.
2.) Check for a short to ground on the
suction pressure sensor blue wire.

3.) If above item does not resolve

issue replace suction pressure sensor.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

The base Adaptive Learn has Warning indication Damaged mixer 1.) At engine idle, check that the fuel
calibration is exceeded -35% only - No change in diaphragm. pressure entering the D-EPR is
adjusted for correction the operation of the between 15 inH2O and 16.5 inH2O.
less fueling system. Fuel pressure to D- Correct if needed.
than expected EPR very high.
from adaptive 2.) Open mixer top cover, remove and
Fuel properties inspect diaphragm for holes or tears.
learn
entered into base Replace if needed.
engine setup are
incorrect. 3.) Check that the fuel properties
entered in the engine setup are
accurate. Correct as necessary.

The base Adaptive Learn has Warning indication Fuel supply pressure 1.) Inspect bias line between mixer
calibration is exceeded +35% only - No change in to D-EPR is too low. and ounce regulator for leaks. Repair
adjusted for correction the operation of the / replace as needed.
more fueling system. Bias line between to
than expected mixer and ounce 2.) Inspect air intake after mixer for
from adaptive regulator leaking. any leaks. Repair / replace as needed.
learn
Damaged mixer 3.) Check exhausts system for leaks.
diaphragm. Repair / replace as needed.

Exhaust leak prior to 4.) At engine idle check that the fuel
the UEGO sensor. pressure entering the D-EPR is
between 15 inH2O and 16.5 inH2O
Air intake leak after
mixer. 5.) Open mixer top cover, remove and
inspect diaphragm for holes or tears.
Fuel properties Replace if needed.
entered into base
engine setup are 6.) Check that the fuel properties
incorrect. entered in the engine setup are
accurate. Correct as necessary.

The engine ran Engine ran for more Warning indication Problem with fuel 1.) Check fuel valve (lock-off) to see if
longer than than 20 seconds only - No change in valve (Lock-off it is fully closing off. Replace if
expected after after a fuel close the operation of the valve). needed.
the fuel was command was sent system. Distance between
shut off fuel shutdown valve 2.) If distance from the fuel valve to
and engine is too engine is excessively long shorten
great. distance.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

The fuel Temperature of the “Adaptive Learn” no Fuel gas entering Verify that gas temperature by
temperature is fuel gas at the D- longer updates while the D-EPR is hotter measurement. Locate reason for high
above expected EPR has exceeded fault is active. than recommended. gas temperature. If gas temperature
(+220F) is lower than stated on the EICS
D-EPR has a faulty display, replace the D-EPR.
temperature sensor
(not replaceable).

The fuel Temperature of the “Adaptive Learn” no Fuel gas entering Verify that gas temperature by
temperature is fuel gas at the D- longer updates while the D-EPR is colder measurement. Locate reason for low
below EPR has dropped fault is active. than recommended. gas temperature.
expectation below (-35F) D-EPR has a faulty If gas temperature is higher than
temperature sensor stated on the EICS display, replace
(not replaceable). the D-EPR.

The ignition Tank capacitor Warning indication Faulty ECM. 1.) Check battery voltage is within
tank capacitor voltage has only - No change in normal operating range.
voltage is high exceeded pre- the operation of the
determined upper system. 2.) Ensure that the calibration is
limit. latest.

3.) If fault is persistent replace ECM.

The ignition Tank capacitor Warning indication Faulty ECM. 1.) Check battery voltage is within
tank capacitor voltage has dropped only - No change in normal operating range.
voltage is low below pre- the operation of the
determined lower system. 2.) Ensure that the calibration is
limit. latest.

3.) If fault is persistent replace ECM.

Throttle Inlet (Only valid for “Adaptive Learn” no Faulty turbo boost 1.) With the engine off read the TIP
Pressure higher turbocharged longer updates while control valve pressure on the EICS display. If the
than expected engines) fault is active. pressure is not atmospheric, replace
Faulty turbocharger. the TIP sensor.
Excessive exhaust 2.) Check turbocharger’s charge air
Pressure out of temperature. pressure. If pressure exceeds
turbocharger is Faulty TIP sensor. manufacturer’s recommendation,
higher than repair boost control valve.
expected.
3.) Check for excessively high exhaust
temperatures and try to lower if
possible. Maybe due to retarded
spark timing.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Throttle Inlet (Only valid for “Adaptive Learn” no Air leak. 1.) With the engine off read the TIP
Pressure lower turbocharged longer updates while pressure on the EICS display. If the
than expected engines) fault is active. Faulty boost control pressure is not atmospheric, replace
valve the TIP sensor.
Faulty turbocharger. 2.) Check turbocharger’s charge air
Pressure out of Faulty TIP sensor. pressure. If pressure is lower than
turbocharger is manufacturer’s recommendation,
lower than repair boost control valve.
expected.
3.) Inspect for air leaks and repair.

Throttle inlet (Only valid for “Adaptive Learn” no TIP sensor 1.) Check that the TIP sensor is
pressure sensor turbocharged longer updates while unplugged or open plugged in; inspect pins on wire
is not active engines) fault is active. circuit. harness for bent / spread pins.

Faulty TIP sensor 2.) With the TIP connector and ECM
connectors unplugged, check for an
Manifold pressure is open circuit between the following
increase without pins:
corresponding
TIP Connector Pin3 and ECM
increase in throttle
Connector PinJ3-43.
inlet pressure.
TIP Connector Pin 4 and ECM
Connector J3-44

TIP Connector Pin 1 and ECM

Connector J3-45

Repair harness if open circuit is

present.

3.) If none of the above correct the

problem then replace the TIP sensor.

Throttle inlet (Only valid for “Adaptive Learn” no TIP sensor signal 1.) With the TIP harness connector
pressure sensor turbocharged longer updates while short to power unplugged measure the voltage
voltage is high engines) fault is active. source. Faulty TIP between pin 4 and pin 1 on the TIP
sensor. harness connector. The voltage
Return signal from should be 0VDC. If the voltage is
the TIP sensor has greater located and repair the short
exceeded 4.8 VDC to power source condition on the TIP
signal.

2.) If the action above did not correct

the issue replace the TIP sensor.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

Throttle inlet (Only valid for “Adaptive Learn” no Short to ground or 1.) With the TIP harness connector
pressure sensor turbocharged longer updates while open circuit on TIP unplugged measure the voltage on
voltage is low engines) fault is active. sensor signal. the harness side connector between
pin 3 and pin 1. If 5VDC is not
Return signal from Loss of TIP 5V present repair harness.
the TIP sensor has supply to sensor.
dropped below 0.2 2.) With the TIP harness connector
VDC Faulty TIP sensor. unplugged and the ECM connector
unplugged check for an open circuit
between TIP connector pin 4 and
ECM connector J3-44. Also check for
a short to ground on the TIP harness
pin 4. Repair harness as needed.

3.) If all above items do not correct

issue then replace the TIP sensor.
TPS1 high Return voltage from Engine will shut down. Open circuit on 1.) Check for an open circuit between
voltage throttle position TPS1 return throttle connector pin 2 and ECM
sensor has connector J2-35. Repair if needed.
exceeded the high Short to power
source on TPS1 wire 2.) With the throttle connector
threshold
or TPS1 5V supply unplugged, measure the voltage on
the harness side connector between
Faulty throttle. pin2 and pin3. There should be 5VDC
between the pins. If voltage is greater
than 5VDC locate and repair short to
power on this circuit if necessary.

3.) With the throttle connector

unplugged measure the voltage on
the harness side connector between
pin6 and pin2. If voltage is greater
than 4.8V located and repair short to
power source on TPS1 wire.

4.) If all above items do not correct

issue then replace throttle.
TPS1 low Return voltage from Engine will shut down. Short to ground on 1.) Check for a short to ground on
voltage the throttle position TPS1 signal wire. throttle pin 6. Repair if necessary.
sensor has dropped Open circuit on 2.) With the throttle connector
below low threshold TPS1 signal wire. unplugged measure the voltage on
Loss of TPS 5V the harness side connector between
Supply. pin2 and pin3. There should be 5V
Faulty throttle. between the pins, repair if necessary.

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Diagnostic Trigger
System Action Likely Causes Troubleshooting Detail
Message Condition

3.) Check for open circuit between

pin 6 on the throttle connecter and
ECM connector J2-33. Repair if
needed

4.) If all above items do not correct

issue then replace throttle.

Unable to reach Throttle position is Engine will shut down. Sticky or damaged Check mechanical operation of
higher TPS less than throttle. throttle, replace if needed.
commanded
position.

Unable to reach Throttle position is Engine will shut down. Sticky or damaged Check mechanical operation of
lower TPS more than throttle. throttle, replace if needed.
commanded
position.

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4.5 EICS System Diagnostics & Troubleshooting Detail Flowcharts

4.5.1 Intake Air Temp Sensor Voltage Higher Than Expected

Intake Air Temperature Sensor Voltage
Higher Than Expected Troubleshooting
Flowchart
Engine not running and Run / stop switch in Run position. The ECM should be
powered on. (The panel may need to be reset to achieve this).
Unplug TMAP sensor connector. Unplug ECM connectors.
On harness side connector measure the voltage between pin3 and pin1. Test for open circuits from TMAP sensor
connector to ECM connector pins by
performing a continuity check between
the pins below.

TMAP Pin# ECM Pin#

NO 1 J3-35
Is voltage between 3 J3-33
4.9VDC and 5.1VDC?

Test for short to ground on pin 3.

Repair / replace harness as needed.

YES

On harness side connector measure the

voltage between pin2 and pin1
Unplug ECM connectors.
Test for open circuits from TMAP sensor
connector to ECM connector pins by
performing a continuity check between
the pins below.

NO TMAP Connector Pin# ECM Pin#

Is voltage between 2 J3-31

4.9VDC and 5.1VDC?
Check to make sure TMAP sensor
connector Pin 2 is not shorted to ground.

YES
NO

Does circuit have

Replace TMAP sensor YES continuity to ECM and is
not shorted to ground?

NO
Repair / replace
harness as
needed.

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4.5.2 Intake Air Temp Sensor Voltage Lower Than Expected
Intake Air Temperature Sensor Voltage Lower
Than Expected Troubleshooting Flowchart
Engine not running and Run / stop switch in Run position. The ECM
should be powered on. (The panel may need to be reset to achieve
this).
Unplug TMAP sensor connector.
On harness side connector measure the voltage between pin2 and pin1.

Is voltage between Replace TMAP

4.9VDC and 5.1VDC? YES sensor

NO

Unplug ECM connectors.

Test for open circuits from TMAP sensor
connector to ECM connector pins by
performing a continuity check between
the pins below.

TMAP Connector Pin# ECM Pin#

2 J3-31

Check to make sure TMAP sensor

connector Pin 2 is not shorted to ground.

Does circuit have

continuity to ECM and is YES Replace ECM
not shorted to ground?

NO

Repair / replace
harness as
needed.

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4.5.3 Jacket Water Sensor Voltage Higher Than Expected
Jacket Water Temperature Sensor Voltage Higher
Than Expected Troubleshooting Flowchart
Unplug the jacket water temperature sensor. Measure the
voltage on the jacket water temperature sensor harness side
connector between Pin A and Pin B.

Replace jacket water

Is voltage greater than
4.9VDC?
NO temperature sensor.

YES

Inspect harness and sensor pins.

Are any of the terminals

bent or damaged? YES Repair / Replace as necessary.

NO
Measure the resistance of the jacket water temperature sensor return
circuit (jacket water temperature sensor harness connector Pin A and
ECM Connector J3 - 42 )

Is the resistance less Repair / Replace Harness as

than 10 ohms? NO necessary.

YES

Measure the resistance of the jacket water

temperature sensor signal circuit (Jacket
water temperature sensor harness connector
Pin B and ECM Connector J3 - 41 )

YES

Is the resistance less Repair / Replace Harness as

Replace ECM. YES NO
than 10 ohms? necessary.

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4.5.4 Jacket Water Sensor Voltage Lower Than Expected

Jacket Water Temperature Sensor Voltage

Lower Than Expected Troubleshooting
Flowchart

Unplug the jacket water temperature

sensor. Measure the voltage on the jacket
water temperature sensor harness side
connector between Pin A and Pin B.

Replace jacket water

Is voltage greater than
4.9VDC?
YES temperature sensor.

NO

Disconnect power. Unplug the ECM connectors.

Using an ohmmeter measure the resistance
between pin B and Battery (-) harness connector.

Jacket water temperature

Is the resistance less sensor signal shorted to
than 10k ohms? YES ground.
Repair / Replace harness.

NO

Replace ECM.

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4.5.5 Signal From Speed Pickup Assembly Lost
Signal From Speed Pick-up Assembly Lost
Troubleshooting Flowchart
Un-mount speed pickup assembly from engine. Inspect plastic drive coupling on speed pickup assembly.
Check to make sure that roll pin is in coupling and through shaft so coupling is not able to slip on shaft.

Remove viewing window plug

from speed pickup assembly. Replace drive coupling
Spin plastic coupling by hand YES Is coupling ok? NO
while watching wheel.

Does wheel rotate freely Replace speed pickup

when turning?
NO assembly.

YES
Spin drive coupling by hand while
looking at RPM gauge on EICS
display.

Does RPM change on Check engine interface drive

YES gear and repair.
EICS Display?

NO
With the speed sensor Check for an open circuit between speed sensor
connector unplugged, connector pin 1 and ECM connector J2-2 and
measure the voltage between Is 4.9VDC to 5.1VDC repair if open circuit present.
speed sensor 5V supply (Pin 3) present?
NO Check for an open circuit between speed sensor
and speed sensor return (Pin connector pin 3 and ECM connector J3-24 and
1) repair if open circuit present.

YES
With the speed sensor connector unplugged, measure the voltage
between speed sensor signal supply (Pin 2) and speed sensor return
(Pin 1)

Check for an open circuit between speed sensor

Replace speed sensor. Is 4.9VDC to 5.1VDC connector pin 2 and ECM connector J2-1 and
YES present?
NO
repair if open circuit present.

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4.5.6 Engine Will Not Start
The following is to help with a general condition of the engine will not start, but you do not have any
recent or active diagnostic messages. Make sure the engine is not in compression check mode by
viewing Home/Maintenance-Testing/Conduct Compression Check. Line 1 should be disabled.
Engine Will Not Start Troubleshooting
Flowchart

Check health indicator on ECM.

1.) Check main 30A fuse.

Is indicator blinking? NO 2.) Check battery and ground
connections to ECM

YES
Check FUSE1 – FUSE5 indicators on
ECM.

1.) Replace corresponding

Are all fuse indicators lit?
NO blown fuse.

YES

Check ESD indicator on ECM.

De-active ESD input.

Is ESD indicator on ECM
lit?
YES Follow ESD shutdown
troubleshooting steps.

NO

Check IGN_DIS indicator on

ECM.

1.) Check that Engine Stop

switch is not in the Stop
position.
2.) Check that the G-lead is
Is IGN_DIS indicator lit? YES not grounded.
Follow G-lead Shutdown
troubleshooting steps.

NO

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 NO

ENGINES WITH ELECTRIC START

1.) If unit has electric start check

Does starter turn over battery voltage.
when cranking? NO 2.) Check starter relay
3.) Check wiring from ECM pin
J1-46 to starter relay coil.

YES

While cranking look at Cyl

indicators on the ECM and
RPM on the EICS Display.

Does indicators blink or Following troubleshooting

RPM change on the EICS NO detail for loss of speed signal.
Display?

YES

Check the D-EPR inlet fuel

pressure.

1.) Check ounce regulator.

Does D-EPR have the
correct fuel pressure at
NO Locate upstream fueling
problem and repair.
inlet?

YES

Check diagnostic message on

EICS display and follow
troubleshooting steps for that
message.

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Appendix A
A1 EICS Display Modbus Map
Address Type Variable Units Resolution Offset
40002 Ushort Adaptive Multiplier % 1 0
40003 Ushort Warning Light (Amber.Light) State 1 0
40004 Ushort Battery Voltage On ECM V 0.1 0
40005 Ushort Calendar Hours on ECM raw 1 0
40006 Ushort Calendar Hours Since Reset raw 1 0
40008 Ushort Closed Loop Multipler % 1 0
40009 Ushort Suction Pressure psig 1 0
40010 Ushort Engine Coolant Temperature F 0.1 -999.9
40011 Ushort Date raw 1 0
40012 Ushort DEPR Pressure Actual inWC 1 0
40013 Ushort DEPR Pressure Target inWC 1 0
40014 Ushort Emissions Control Mode State 1 0
40015 Ushort Hour Meter RAM Seconds raw 1 0
40016 Ushort Engine Run Hours Since Reset raw 1 0
40017 Ushort Inlet Air Mass Flow rate g/sec 1 0
40018 Ushort Fuel Gas Mass Flow Rate g/sec 1 0
40019 Ushort Engine Target Speed RPM 1 0
40021 Ushort Fuel Control Mode State 1 0
40022 Ushort Fuel Temperature at DEPR F 1 0
40023 Ushort Speed Pickup Offset °btdc 1 0
40027 Ushort Horsepower bhp 1 0
40028 Ushort Hours Since Last Shutdown raw 1 0
40030 Ushort Manifold Absolute Pressure psia 0.1 -99.9
40031 Ushort Intake Air Temperature F 1 0
40035 Ushort Engine Oil Pressure psig 0.1 0
40036 Ushort OK Light (Green Light) State 1 0
40037 Ushort Percent Runtime Since Last Reset % 1 0
40038 Ushort Post Catalyst Actual Phi Value raw 0.0001 0
40039 Ushort Post Catalyst Temperature F 0.1 -100
40040 Ushort Pre Catalyst Actual Phi Value raw 1 0
40041 Ushort Pre Catalyst Temperature F 0.1 -100
40044 Ushort Alarm Light (Red Light) State 1 0
40045 Ushort Engine Speed (RPM) RPM 1 0
40046 Ushort Real Time Clock Hours raw 1 0
40047 Ushort Real Time Clock Day raw 1 0
40048 Ushort Real Time Clock Minutes raw 1 0
40049 Ushort Real Time Clock Month raw 1 0
40050 Ushort Real Time Clock Seconds raw 1 0

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Address Type Variable Units Resolution Offset
40051 Ushort Real Time Clock Week day raw 1 0
40052 Ushort Real Time Clock Year raw 1 0
40054 Ushort Cylinder 1 Spark kV kV 1 0
40055 Ushort Cylinder 2 Spark kV kV 1 0
40056 Ushort Cylinder 3 Spark kV kV 1 0
40057 Ushort Cylinder 4 Spark kV kV 1 0
40058 Ushort Cylinder 5 Spark kV kV 1 0
40059 Ushort Cylinder 6 Spark kV kV 1 0
40062 Ushort Spark Advance °btdc 1 0
40063 Ushort Suction Pressure State raw 1 0
40067 Ushort Throttle Inlet Pressure psia 1 0
40068 Ushort Time and Date of Last Shutdown raw 1 0

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A2 Recommended Maintenance Schedule
Emissions
/ Non - Item Recommended Maintenance Frequency
Emissions
Emissions UEGO
Replace sensors. 180 days
Systems Sensor

Non- Inspect diaphragm and clean out oil and

Mixer Yearly
Emissions debris. Replace if needed.
System
Inspection for debris build-up and clean
Throttle Yearly
throttle.

Inspect for debris build- up and clean.

D-EPR Yearly
Check mounting bracket and fasteners
and re-tighten if needed.

Inspect drive coupling for wear.

Remove outer speed pickup assembly

cover and inspect for debris. Clean as
needed.
Speed
Pickup Yearly
Inspect unit for backlash (free play) in
Assembly
gear drive train and axial wobble toward
front and back of unit.

Ensure plug at bottom of outer housing

is not clogged.

Inspect rubber vibration isolators on

ECM.
ECM Yearly
Inspect mounting bolts; tighten if
needed

Inspect terminals for corrosion/debris.

Clean if needed.
Coils Yearly
Inspect plug wires.

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A3 Mixer Diaphragm Replacement

The instructions below are to provide maintenance personnel with instructions to correctly repair the
diaphragm used in the E330 Mixer. Following these steps will help prevent mis- assembly of the Mixer
and a subsequent change in engine performance and / or emissions.

Disassembly of the Mixer

Important Notice
Do not mix parts between mixers. Only the diaphragm can be changed, all other
parts are a matched set.

1. Remove the 6 screws from the mixer cover and save for reuse.

Illustration A3.1

2. Remove and save the mixer cover and spring for reuse. Illustration A3.2 shows the cover removed.
3. Remove the 4 screws attaching the clamp ring to the air valve and save for reuse along with the
clamp ring. Discard the diaphragm.

Remove
Screws

Clamp ring

Illustration A3.2

4. Inspect the air valve for cracks. If any cracks are visible, the mixer can not be repaired and should
be replaced.

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Installing a New Diaphragm

5. Align the diaphragm over the air valve screw holes. The clamp ring has a groove that will trap the
ridge on the diaphragm.

Illustration A3.3

1. Fasten with the 4 screws removed in step 3. Tighten the screws to 4 to 6 inch pounds

Illustration A3.4

6. Place the spring on air valve and install the mixer cover.

7. Install the cover screws and torque between 40 to 50 inch pounds.

Illustration A3.5

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A4 EICS Display Re-programming

This section is meant to provide the user with information to check the current EICS display
configuration as well as provide instructions on how to program a file into the display.

To perform these steps a USB thumb drive will be needed along with the Display Programming
Cable (P/N: 78000668)

1.) Check the current configuration version by completing the

following steps: From Home Screen, press the Display
Settings button. Next press the System Settings button.
The current configuration for the example shown in
Illustration A4.1 is 2.2_10063.

Illustration A4.1

2.) Power off the EICS Display by

unplugging power connector
(Connector B) from the back of
display.
3.) Insert a USB drive containing the
desired configuration file into
programming cable.
4.) Plug in programming cable into
Connector labeled “A” on back of display. Illustration A4.2 Illustration A4.3
Illustration A4.2 and Illustration A4.3.

5.) Press and hold the top left button on the EICS
Display shown in Illustration A4.4 (continue to
hold).

Illustration A4.4
6.) Turn power on to display while continuing to hold the
top left button.
7.) Release top left button a few seconds after turning on power.
8.) After a few seconds the screen pictured in Illustration A4.5 will appear.

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9.) Use the key corresponding “Up” and “Down” arrows to navigate to the desired file to

load. Press the download button . Upon the first press the button will turn green as
shown: Press the button again and the file download will begin.

Illustration A4.5 Illustration A4.6

10.) A screen will appear showing the download progress. **NOTE** It is important that
power or USB connections are not interrupted during the programming process. Once
programing is complete a will appear briefly and the display will re-boot and return to the
normal engine display screen. Once the display has returned to the home screen the USB
cable can be unplugged.

Illustration A4.7 Illustration A4.8

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A5 Software Installation & ECM Re-programming
Instructions for installing the EICS Display software and ECOM Drivers are listed below. Once
the software has been installed, continue to the ECM Re-Programming guidelines.

A5.1 EICS Display Installation

The installation software is contained in six (6) files; these are shown in Illustration A5.1. In order to
install the software, all files must be contained in the same directory to your PC.

Illustration A5.1

Installation Steps

1. Start the Windows Installer by double-clicking the following installation file.

2. Follow the instructions for installation.

NOTE: If a previous version of the software is installed, the uninstaller will remove the previous
version and exit. You will be required to start the installer again to install the new version.

The screens with instructions are shown below.

Illustration A5.2 Illustration A5.3

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 Illustration A5.4 Illustration A5.5

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A5.2 ECOM Drivers and Software Setup Wizard

Installation Steps
1. Double Click on the EControls Icon to launch the Setup program
2. Close all other open program prior to proceeding
3. After the WELCOME to the ECOM Drivers and Software Setup Wizard opens click
on the NEXT> button

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4. Select Install ECOM Drivers and Supporting Software or Install Drivers Only by placing
the mouse cursor on the selection circle indicating your choice and clicking the left
mouse button once. The green dot indicates your selection has been recognized.

NOTE: It is recommended that you select to install the ECOM

Drivers and Supporting Software selection for use as a
development tool. If you are planning on only utilizing the EControls,
Inc. Display Software then you only need to select the INSTALL
ECOM Drivers Only selection.
5. To proceed place the mouse cursor over the NEXT> button and click once with the left-
hand mouse button.

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6. The Select Destination Location window allows you to select the
destination location of the driver that will be installed. The default is
C:\Program File\EControls\ECOM E2046000. This is the preferred
location on most systems. If you wish to place the driver in a different
location place the mouse cursor over the Browse…. button and click
once with the left-hand mouse button. You may then selection the
location that you desire from the Browse File Folder Menu.

Place the mouse cursor over the location of your choice and double
click the left-hand mouse button to select.

NOTE: Please verify the system drive that you have selected to install
the diver software has at least 1.4 megabytes of free space.

7. After the destination location has been selected and you are satisfied
place the mouse cursor over the Next> button and click once with the
left-hand mouse button.

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8. On the Select Components window check or uncheck the selection
boxes by placing the mouse cursor over the box to the left of the
component and toggle the check mark form on to off by clicking once
with the left-hand mouse button.

NOTE: If you select both the Library and Header File s and the
Sample Filter the free space requirement will be 2.0 megabytes.
Please verify you have enough free space on your system before
proceeding.

NOTE: It is recommended that you select to install the ECOM

Drivers and Supporting Software selection for use as a
development tool. If you are planning on only utilizing the EControls,
Inc. Display Software then you only need to select the INSTALL
ECOM Drivers Only selection

After you are satisfied with the components to be installed selection

place the mouse cursor over the Next> button and click once with the
left-hand mouse button.

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9. The Ready to Install window will now open. You may verify your
installation selections here. If you wish to modify any of these
selections you may go back to the selection you wish to change by
placing the mouse cursor over the <Back and clicking once with the
left-hand mouse button.
This procedure may be repeated on each window until you reach the
window with the selection you wish to modify.

10. If you are satisfied with the selection on the Ready to Install window
you may proceed by placing the mouse cursor over the Install button
and click with the left-hand mouse button once.

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11. Once the installation is complete the Completing the ECOM Drivers
and Software Setup Wizard window will open. To finish the
installation place the mouse cursor over the Finish button and click
with the left-hand mouse button once to select.

The software is now ready to use.

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12. Insert the USB connector into the USB slot on your computer The
Found New Hardware ECOM Communications Device bubble
should appear at the bottom of your computer screen indicating that it
recognizes the ECOM device. Subsequently a message will appear
stating that the drivers are installed and the new hardware is
ready to use.

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13. If you see the following message asking if want to replace the existing
driver with an older version select No by placing the mouse cursor
over the No button and clicking the left-hand mouse button once.

14. If a message appears asking you if you want to restart your computer
to enable you to use the new software. If you are planning on using
the ECOM at this time select Yes by placing the left-hand mouse
button over the Yes button and clicking once. Otherwise select No by
placing the mouse cursor over the No button and clicking the left-
hand mouse button once.

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 15. If you are using the ECOM Interface Tool with EControls Display
Software please make sure that you have selected the proper
communications scheme.

NOTE: Upon completion of the install, installation files may be deleted from your PC.

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A5.3 ECM Re-programming
Once installed, the software can be accessed from Start Menu → Programs → 4G EICS
Display → 4G EICS Display
A5.3.1 Software Log-in
Illustration A5.6 shows the password dialog box, which is displayed when a software session
begins. Login can be accomplished in two ways:
1) Enter an ‘All S/N Password’ which is applicable to all EICS ECMs.
2) Enter a ‘Single S/N Password’ and corresponding serial number for a single ECM.
A Single Serial Number password allows connection to only a specific EICS ECM serial
number it applies to and is useful for authorizing service personnel to make changes or view
information for a single ECM for which they would otherwise not have access to.
Each password is a 16-character alpha-numeric string that enables viewing a reprogramming
privilege.

Functions: Illustration A5.6

 Clear Password Button - Erases the current password from the password field
 Paste Password Button - Allows the user to copy a 16-character string from any word
processor and paste the string in the password field
 Single Serial Number Access Checkbox - Tells the software that the password is
applicable for single serial number access
 Serial Number Field - Only applicable when Single Serial Number Access Checkbox is
checked. Entry field MUST BE populated for the 6-digit serial number for which the Single
Serial Number Access password applies

NOTE: Leading zeros included in the serial number are not required.
 Save Password and S/N Checkbox - Retains the password, and serial number (if
applicable) for the next software session.

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A5.3.1 EICS Service Tool Header / Menu Bar Functionality
All high-level functions are accessible from the EICS service tool header. This includes reprogramming
the ECM and plotting and saving data. A portion of the EICS Service page is shown in Illustration A5.7

Illustration A5.7
Menu Bar Items

 File Menu - Used primarily to perform disk and file management functions.
 Page Menu - Used to select the active page and configure which pages will be visible for
use during a software session.
 Flash Menu - Commits updated calibration variables from the ECM’s random access
memory (RAM) to Flash memory or releases/clears updated calibration variables from the
ECM’s RAM. Flashing an ECM permanently saves a variable or set of variables to the
ECM.
 Comm Port Menu - Selects the PC’s active serial communication port and displays
communication statistics.
 Plot/Log Menu - Graphically plots or numerically logs static and dynamic variables and
metrics that have been tagged for plotting or logging.
 Help - Provides general information about EDIS and defines shortcuts for use in the
software.

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 You can view which software file is in the ECM
using the EICS display. From the Home page
select Operating Settings, then Engine Info, as
shown in Illustration A5.8. If you do not see a
Software Number option, then you do not have
the latest file installed on the EICS display.

If the software number is not the most recent for

the engine you have, then you can reprogram the
ECM by selecting File, then Reprogram Target
Illustration A5.9.

Illustration A5.8

After selecting Reprogram Target you will be asked to load a new calibration (Select
Motorola S-record/Mot File). Select the most recent file for the engine model.

Illustration A5.9 Illustration A5.10

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You will then select Yes to perfrom the standard application download

Next select yes to continue to download, making sure

the ECOM device remains connected and there is power
to the ECM.

You will see a progress bar, and the reprogramming will

take about 90 seconds

Illustration A5.11

Illustration A5.12
Illustration A5.13
After a successful reprogramming, select OK. You can then view the EICS display, under Operating
Settings, Engine Info, to make sure the Software Number is correct.

Illustration A5.14

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A6 Engine Startup Checklist
Step Question Action Notes / Help

1 Does the EICS If the configuration in not the latest version, Go to Home/Display Settings/System
Display have the then reprogram the EICS display. Settings. The Configuration is
latest software? shown on this page.
**NOTE** Do not let power reset to the
display during programming.

2 Does the ECM If the Software is not the latest number then Go to Home/Operating
have the latest reprogram the ECM. Settings/Engine Info to see the
file? Software number.
**Note** When you reprogram the ECM,
values under the shutdown, suction
pressure, and/or Base engine set-up will be
reset. You should record these values prior
to reprogramming, so you they can be put
back into the ECM. It is important to note
the “off-set for timing wheel” – item 3 on
page 1 of the Base Engine Set-up screen.

3 The engine will 1.) Check if the G-Lead is grounded, or the The ECM has several lights (LEDs)
not start? ESD is activated. under glass.

2.) If you have a stop/run switch, the switch 1.) If the ESD LED is on, then the
must be in the run position. ESD input is grounded.

3.) The engine will also not start if it is in 2.) If the IGN_DIS light is on, then the
“Compression Check” mode. G-Lead is grounded, or the Start/Run
input is grounded.
4.) Check that the ECM has power and is
operating. 3.) This condition can be checked
under
Home/Maintenance/Compression
Check

4.) Check the Health LED, blinking

indicates the ECM has power and is
working.

4 The engine will Check is all the fuses are ok. This can be done by looking at the
not start or one Fuse indicators on the ECM. A green
or more functions indicator means the fuse is ok. A unlit
are not working? fuse indicator means the fuse is
blown.

5 Do you know the If so make sure that all the base Refer to the Base Setup Section in
end user parameters are setup prior to starting the the EICS Manual; (Section 3.3.2) for
application? engine for the first time. setup instructions if needed.

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Step Question Action Notes / Help

6 If this is the first Check timing displayed on the EICS display Refer to the Base Setup Section in
start of the and verify against timing light. Adjust the EICS Manual; (Section 3.3.2) for
engine has speed-pickup timing offset if needed. setup instructions if needed.
timing been
verified? Verify that the engine gear ratio is correct Check with the engine
for the installed speed pickup. Do this by manufacturer’s parts supplier to
checking the drive ratio of the magneto obtain the parts necessary to change
drive. Some of the older engines have a 1:1 to the proper drive ratio
ratio drive. This can be identified by looking
at the identification tag of the magneto.
Altronic V = 4A24A; Altronic III = 4A29A are
both 1:1 ratio drive magneto. The drive ratio
for the EICS speed pickup is 1.5:1.
7 Are any faults Check the indicator light on the display, Go to Home/Engine Diagnostics to
present? shown on the bottom of all pages. review any faults. If the engine is
operating under light load, and you
A green light indicates there are no faults have an Emissions Key installed, you
that are active.
may have a fault “Pre-catalyst
A yellow light indicates, either there is an temperature is less than desired for
active fault, or a previously active fault, that best emissions”. This means the
has not yet been acknowledged Pre-Catalyst temperature is less than
750F, and may not be of concern.
8 What mode is the Check Home/Operating Data-Page 6. If the
system currently jacket water temperature is over 145F, the
operating in? Fuel Control Mode should be in closed-loop
w/adaptive. If the jacket water temperature
is below 145, but has been running for over
two minutes, the Fuel Control Mode should
be closed-loop.

Check the closed-loop % and adaptive %

values on Home/Operating Data-Page 2.
Add these two values together. If they add
up to be greater than 15%, or less than -
15%, and the proper gas composition
values are entered under base-set up,
consider checking for exhaust or inlet leaks.

9 Are all cylinders Conduct a “Spark Kill Auto Test” This can be done by selecting
firing and Home/Maintenance/Testing/Spark
carrying an even Kill test Auto/Start. The engine
load?
speed must stay below 1400 rpm, the
catalyst temperature below 900F,
and the manifold pressure below 11
psia for this test to be completed.
Refer to Section 3.4.2.3 of the EICS
manual if additional information of the
Auto Spark Kill Test is needed.

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 Notes

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