IMPACT 3.

0 05 July 2008

Chassis ID Path
2/Diagnostics/FH16, D16C610/Engine ECU, fault
tracing
Model Identity
FH16 87571865
Publish date Operation No.
21 February 2006

28108-8 Engine ECU, check

Vehicle: Chassis ID: Mileage: Customer:

Engine variant: Engine number: Control unit, part Control unit, serial number:
number:

Software number: Data set 1: Data set 2:

Step 1: Checking the system.

Conditions:

Adapter 9998505 and adapter 9998540 as well as break-out box 9998699 connected
between the control unit and cable harness.
Control unit connected
Ignition key in drive position
Engine switched off
Measurement position voltage DC with multimeter 9510060
Ubat = Battery voltage.
> = More than
< = Less than
≈ = Approx equal to

Note: If the values in general do not agree, check the common ground connections EA5, EB9, EB8 and EB13.

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

Connector Signal type Measurement Expected value Measured Note

points value

EA1 Oil temperature EA1 - EA5 ≈ 3.0 V (+20°C)

sensor, signal ≈ 0.4 V
(+100°C)

EA2 Boost air EA2 - EA5 Type 1 Sensor type

temperature ≈ 2.6 V (+20°C) see Charge
sensor, ≈ 1.6 V (+40°C) air
signal temperature
Type 2
sensor
≈ 1.6 V (+20°C)
≈ 0.9 V (+40°C)

EA3 Boost pressure EA3 - EA5 1.1±0.7 V (at 0

sensor, signal m.a.s.l.)

EA4 Supply to sensor (5 EA4 - EA5 4.80 -5.15 V

V)

EA6 Fan speed sensor EA6 - EA5 0–5V Rotate the

fan by hand.
The value
should vary
between 0 -
5 V.

EA14 Oil pressure EA14 - EA5 ≈ 0.5 V (for

sensor, signal cold engines)

EA19 Fuel pump (applies EA19 - EB9 ≈ 0.8 * Ubat Wiring

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

only to older type (inactive) schedule,

with electric fuel ≈ 0 V (active) see Fuel
pump) Pressure
Sensor

EA19 Drain valve, water EA19 - EB9 ≈ 0.8 * Ubat Wiring

separator (applies (inactive) schedule,
only to newer type ≈ 0 V (active) see Drain
with manual hand valve
pump)

EA25 Coolant EA25 - EA5 Types 1 and 2 Sensor type,

temperature ≈ 3.0 V (+20°C) see Coolant
sensor, signal ≈ 0.6 V (+85°C) temperature
sensor
Type 3
≈ 3.4 V (+20°C)
≈ 0.94 V
(+85°C)

EA27 Fuel pressure EA27 - EA5 ≈ 0.5 V (for Wiring

sensor, signal stationary schedule,
engine) see Fuel
Pressure
Sensor

EA33 VCB EA33 - Ubat (inactive) Normally

ground 0 V (active) inactive with
the ignition
key in the
drive
position.

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

Connector Signal type Measurement Expected value Measured Note

points value

EB3 Ambient EB3 - EB13 ≈ 2.6 V (+20°C)

temperature ≈ 1.2 V (+50°C)
sensor, signal

EB4 Buffered idle EB4 - EB9 < 4 V (inactive)

switch > 8 V (active,
i.e. with
depressed
accelerator)

EB5 Pre-heating 1, EB5 - EB9 > 0.65 * Ubat Normally

heater diagnostics (active) inactive with
< 0.065 * Ubat the ignition
(inactive) key in the
drive
position.

EB6 Water in fuel EB6 - EB8 ≈ 0.8 * Ubat

indicator, signal (open)
≈ 0 V (closed)

EB7 Coolant level EB7 - EB8 ≈ 0.8 * Ubat Normally

sensor, signal (open) open with the
≈ 0 V (closed) starter key in
drive
position.

EB11 Power supply, EB11 - EB9 Ubat

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

control unit

EB12 Power supply, EB12 - EB9 Ubat

control unit

EB14 Crankcase EB14 - EB13 4.8 - 5.15 V

pressure sensor
(feed)

EB17 Air filter indicator EB17 - EB8 ≈ 0.48 * Ubat Normally

(open) closed with
≈ 0,12 * Ubat the ignition
(closed) key in the
drive
position.

EB21 Fan control EB21 - EB9 ≈ Ubat The fan is

(inactive) connected
≈ 0 V (active) when the fan
connection
relay is
inactive.
The fan is
disconnected
when the fan
connection
relay is
active.

EB24 Crankcase EB24 - EB13 2.9±0.6 V (at 0 Engine

pressure sensor m.a.s.l.) stationary

EB31 Starter heater EB31 - EB9 ≈ Ubat Normally

relay (inactive) inactive with
≈ 0 V (active) the ignition
key in the
drive
position.

EB32 Drain valve, water EB32 - EB9 ≈ Ubat Wiring

separator (applies (inactive) schedule,
only to older type ≈ 0 V (active) see Drain
with electric fuel valve
pump)

EB35 EPG EB35 - EB9 ≈ Ubat Normally

(inactive) inactive with
≈ 0 V (active) the ignition

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

key in the
drive
position.

EB36 Buffer air1 EB36 - EB9 ≈ Ubat Normally

(inactive) inactive with
≈ 0 V (active) the ignition
key in the
drive
position.

1 Only applies to TC

Step 2: Function check (Cable harness and circuit)

Conditions:

Adapter 9998505 and break-out box 9998699 connected to cable harness.

Control unit disconnected
Ignition key in stop position
Measurement position resistance with multimeter 9510060

Connector Signal type Measurement Expected value Measured Note

points value

EA1 Oil temperature EA1 - EA5 ≈ 1.9 kΩ

sensor, signal (+20°C)

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

≈ 100 Ω
(+100°C)

EA2 Boost air EA2 - EA5 Type 1 Sensor type,

temperature ≈ 6.2 kΩ see Charge
sensor, (+20°C) air
signal ≈ 2.5 kΩ temperature
(+40°C) sensor

Type 2
≈ 2.5 kΩ
(+20°C)
≈ 1.2 kΩ
(+40°C)

EA6 Fan speed sensor EA6 - EA5 Open circuit

EA7 Camshaft sensor, EA7 - EA18 775 - 945 Ω

+

EA11 Unit injector EA11 - EA12 3.9 - 5.75 Ω

cylinder 1 (20–120°C)

EA22 Unit injector EA22 - EA12 3.9 - 5.75 Ω

cylinder 2 (20–120°C)

EA23 Unit injector EA23 - EA12 3.9 - 5.75 Ω

cylinder 3 (20–120°C)

EA25 Coolant EA25 - EA5 Types 1 and 2 Sensor type,

temperature ≈ 1.9 kΩ see Coolant
sensor, signal (+20°C) temperature
≈ 160 Ω sensor
(+85°C)

Type 3
≈ 3.4 kΩ
(+20°C)
≈ 279 Ω
(+85°C)

EA30 Tachometer EA30 - EA31 775 - 945 Ω

flywheel, +

EA34 Unit injector EA34 - EA24 3.9 - 5.75 Ω

cylinder 4 (20–120°C)

EA35 Unit injector EA35 - EA24 3.9 - 5.75 Ω

cylinder 5 (20–120°C)

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

EA36 Unit injector EA36 - EA24 3.9 - 5.75 Ω

cylinder 6 (20–120°C)

Connector Signal type Measurement Expected value Measured Note

points value

EB3 Ambient EB3 - EB13 ≈ 6.2 kΩ

temperature sensor, (+20°C)
signal ≈ 1.7 kΩ
(+50°C)

EB5 Pre-heating 1, EB5 - EB9 < 5.0 Ω (open)

heater diagnostics

EB6 Water in fuel EB6 - EB8 Open circuit

indicator

EB7 Coolant level EB7 - EB8 > 100 kΩ (open)

sensor, signal Open circuit
(closed)

EB15 Oil level sensor EB15 - EB22 11.7 - 12.9 Ω (≈

+22°C)

EB21 Fan control EB21 - EB11 ≈ 30 Ω

Conditions:

Adapter 9998505 and break-out box 9998699 connected to cable harness.

Control unit disconnected
© Copyright Volvo Parts Corporation
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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IMPACT 3.0 05 July 2008

Ignition key in stop position

Measurement position resistance with multimeter 9510060

Connector Signal type Measurement Expected Measured Note

points value value

EB 25 SAE J1708 A EB25 - DC21 ≅0Ω

EB 26 SAE J1708 B EB26 - DC31 ≅0Ω

1 DC no. = Connection in diagnostics socket

Remarks:

Document filled in by: _______________

Dealer: _______________
Date: _______________

© Copyright Volvo Parts Corporation

The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are
uncontrolled.

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