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Diesel Engine Control Module Signals

This document provides a list of 50 circuits for an engine control module on a diesel engine vehicle. It includes the circuit number, color code, and function such as throttle position sensor signal, crankshaft position sensor signal, injector control signals, intake air heater relays, fan speed sensor, vehicle speed signal, engine oil pressure switch, SCI transmit and receive lines, battery voltage supply, ground connections, ignition switch output, inlet air pressure sense, speed control supply, brake switch sense, A/C clutch relay control, fan speed control, battery temperature sensor signal, and accelerator pedal position sensor return.

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Octavio Ramos
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299 views5 pages

Diesel Engine Control Module Signals

This document provides a list of 50 circuits for an engine control module on a diesel engine vehicle. It includes the circuit number, color code, and function such as throttle position sensor signal, crankshaft position sensor signal, injector control signals, intake air heater relays, fan speed sensor, vehicle speed signal, engine oil pressure switch, SCI transmit and receive lines, battery voltage supply, ground connections, ignition switch output, inlet air pressure sense, speed control supply, brake switch sense, A/C clutch relay control, fan speed control, battery temperature sensor signal, and accelerator pedal position sensor return.

Uploaded by

Octavio Ramos
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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10- -

11- -
12K102 18PK/BK FUEL PRESSURE SENSOR SIGNAL
13- -
K23 18BR/WT (LATE BUILD
14M/T) APPS SIGNAL NO. 1
15K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
K29 18WT/BR (LATE BUILD
16M/T) APPS SIGNAL NO. 2
ENGINE COOLANT TEMPERATURE SENSOR
17K2 18TN/BK SIGNAL
18- -
19K31 18BR FUEL PUMP RELAY CONTROL
20- -
21- -
22G17 18WT/TN CKP SIGNAL
23K104 18RD/WT SENSOR GROUND
K53 18DB/RD (EARLY
24BUILD) CMP SIGNAL
24K53 18DB (LATE BUILD) CMP SIGNAL
25Y501 18DB/YL 5 VOLT SUPPLY
26C18 18DB A/C PRESSURE SIGNAL
27K6 18VT/WT 5 VOLT SUPPLY
28- -
INLET AIR TEMPERATURE/PRESSURE
29Y502 18DG/YL RETURN
30K11 16WT/DB FUEL INJECTOR NO. 1 DRIVER
31G20 18VT/YL WATER IN FUEL SENSOR SIGNAL
32K55 18LB/WT SENSOR RETURN
K56 18LG/OR (LATE BUILD
33M/T) APPS SENSOR RETURN NO. 1
34K49 18VT/BK APPS IDLE SWITCH
35- -
36K14 16RD/WT FUEL INJECTOR NO. 4 DRIVER
37- -
38- -
39- -
40K13 16TN FUEL INJECTOR NO. 3 DRIVER
41- -
K852 18BR/VT (LATE BUILD
42M/T) 5 VOLT SUPPLY
43K9 18LB 5 VOLT SUPPLY
44K101 18WT NOT IDLE SWITCH
45K62 18BK/OR LIFT PUMP FEED
46K58 16BR/DB FUEL INJECTOR NO. 6 DRIVER
47- -
48- -
49- -
50K12 16YL/WT FUEL INJECTOR NO. 2 DRIVER
51- -
52K167 18BR/YL SENSOR GROUND
53G910 18VT/RD FUEL PRESSURE SENSOR SIGNAL RETURN
54K72 18DG/OR 5 VOLT SUPPLY
55- -
56K38 16GY FUEL INJECTOR NO. 5 DRIVER
57K92 16TN/PK COMMON INJECTOR DRIVER
58- -
59K91 16TN/RD COMMON INJECTOR DRIVER
60-

ENGINE CONTROL MODULE C2 (DIESEL) - 50 WAY

CAV CIRCUIT FUNCTION


1 K22 18DR/DB THROTTLE POSITION SENSOR SIGNAL
2 K24 18WT/DG CRANKSHAFT POSITION SENSOR SIGNAL
3 K69 18 BR/LB INJECTOR CONTROL SIGNAL NO.1
4 - -
5 K154 18GY INTAKE AIR HEATER RELAY NO. 2
6 K152 18WT INTAKE AIR HEATER RELAY NO. 1
7 - -
8 - -
9 - -
10 Y5 18OR FAN SPEED SENSOR
11 G7 18WT/OR VEHICLE SPEED SIGNAL
12 G60 18GY/YL ENGINE OIL PRESSURE SWITCH SENSE
13 - -
14 - -
15 - -
16 D21 18PK SCI TRANSMIT
17 - -
18 - -
19 D20 18LG SCI RECEIVE
A140
20 16DG/WT FUSED B(+)
21 Z816 16BK/TN GROUND
22 - -
23 Y3 18WT -
24 K4 18BK/LB SENSOR GROUND 1
25 - -
26 G8 18 LB/BK FUEL LEVEL SENSOR SIGNAL
27 K77 18 BR/WT TRANSFER CASE POSITION SENSOR INPUT
28 D25 18VT/YL PCI BUS
29 - -
A140
30 16DG/WT FUSED B(+)
31 - -
32 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
33 - -
34 - -
35 K68 18BR/LG INLET AIR PRESSURE SENSE
36 V32 18YL/RD SPEED CONTROL SUPPLY
37 K29 18WT/PK BRAKE SWITCH SENSE
38 - -
39 - -
A140
40 16DG/WT FUSED B(+)
41 C13 18DB/OR A/C CLUTCH RELAY CONTROL
42 - -
43 Y1 18LG FAN SPEED CONTROL
44 - -
45 - -
46 V37 18RD/YL S/C SWITCH SIGNAL
47 K118 18PK/YL BATTERY TEMPERATURE SENSOR SIGNAL
ACCELERATOR PEDAL POSITION SENSOR RETURN NO.
48 K400 18BR/VT 2
49 Z816 16BK/TN GROUND
50 Z816 16BK/TN GROUND

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