Page 1457 of 4284
FUEL INJECTOR NO. 3 (DIESEL) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 K111 14DB/LB COMMON INJECTOR DRIVER
2 K13 14BR/LB FUEL INJECTOR NO. 3 CONTROL
FUEL INJECTOR NO. 4 (DIESEL) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 K111 14DB/LB COMMON INJECTOR DRIVER
2 K14 14LB/BR FUEL INJECTOR NO. 4 CONTROL
FUEL PRESSURE SENSOR (DIESEL) - BLACK 3 WAYCAV CIRCUIT FUNCTION
1 K80 20DB/TN FUEL PRESSURE SENSOR GROUND
2 K78 20GY FUEL PRESSURE SENSOR SIGNAL
3 K9 20LB FUEL PRESSURE SENSOR 5 VOLT SUPPLY
FUEL PRESSURE SOLENOID (DIESEL) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 K342 16BR/WT ECM/PCM RELAY OUTPUT
2 K87 16BR FUEL PRESSURE SOLENOID CONTROL
GENERATOR - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 K342 16BR/WT (DIESEL) ECM/PCM RELAY OUTPUT
1 K342 16BR/WT (GAS) AUTOMATIC SHUTDOWN RELAY OUTPUT
2 K20 18BR/GY (GAS) GENERATOR FIELD CONTROL
2 K20 14BR/GY (DIESEL) GENERATOR FIELD CONTROL
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GLOW PLUG RELAY (DIESEL) - BLACK 4 WAYCAV CIRCUIT FUNCTION
1 A202 10RD/WT FUSED B(+)
2 K152 20DB/WT GLOW PLUG RELAY CONTROL
3 K342 16BR/WT ECM/PCM RELAY OUTPUT
4 K154 10BR/OR GLOW PLUG RELAY OUTPUT
INTELLIGENT POWER MODULE C3 (DIESEL) - YELLOW/RED 20 WAYCAV CIRCUIT FUNCTION
1 N21 20DB/TN LIFT PUMP RELAY CONTROL
2- -
3 T751 20YL IGNITION SWITCH OUTPUT (START)
4 T2 18DG/WT TRS REVERSE SENSE
5 N2 18DB/YL LIFT PUMP RELAY OUTPUT
6 F202 18PK/GY IGNITION SWITCH OUTPUT (RUN-START)
7 C3 18DB/YL A/C COMPRESSOR CLUTCH RELAY OUTPUT
8 Z114 18BK/LG GROUND
9 C13 20LB/OR A/C COMPRESSOR CLUTCH RELAY CONTROL
10 A119 16RD/OR FUSED B(+)
11 C41 20LB/DG CABIN HEATER ASSIST CONTROL
12 T753 20DG/YL IGNITION SWITCH OUTPUT (START)
13 - -
14 T752 20DG/OR ENGINE STARTER MOTOR RELAY CONTROL
15 Z116 18BK/VT GROUND
16 K51 20BR/WT ECM/PCM RELAY CONTROL
17 F202 18PK/GY IGNITION SWITCH OUTPUT (RUN-START)
18 - -
19 K342 16BR/WT ECM/PCM RELAY OUTPUT
20 - -
LEFT SPEED CONTROL SWITCH - WHITE 2 WAYCAV CIRCUIT FUNCTION
A V37 20VT/TN (BUILT-UP-
EXPORT)SPEED CONTROL SWITCH SIGNAL
A V37 20DG/VT (EXCEPT
BUILT-UP-EXPORT)SPEED CONTROL SWITCH SIGNAL
B Z23 20BK/VT LEFT SPEED CONTROL SWITCH GROUND
LIFT PUMP MOTOR (DIESEL) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 N2 18OR LIFT PUMP RELAY OUTPUT
2 Z201 18OR GROUND
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MASS AIR FLOW SENSOR (DIESEL) - ORANGE 5 WAYCAV CIRCUIT FUNCTION
1- -
2 K342 16BR/WT ECM/PCM RELAY OUTPUT
3 K957 20BK/OR MASS AIR FLOW SENSOR GROUND
4 F855 20PK/YL SENSOR REFERENCE VOLTAGE A
5 K55 20DB/OR MASS AIR FLOW SENSOR SIGNAL
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CONNECTOR PINOUTS
Page 1460 of 4284
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Page 1461 of 4284

A/C COMPRESSOR CLUTCH RELAYCAV CIRCUIT FUNCTION
30 INTERNAL FUSED B(+)
85 C13 18LB/OR (GAS) A/C COMPRESSOR CLUTCH RELAY CONTROL
85 C13 20LB/OR (DIESEL) A/C COMPRESSOR CLUTCH RELAY CONTROL
86 F202 18PK/GY (GAS) IGNITION SWITCH OUTPUT (RUN-START)
86 K342 16BR/WT (DIESEL) ECM/PCM RELAY OUTPUT
87 C3 18DB/YL A/C COMPRESSOR CLUTCH RELAY OUTPUT
87A --
ECM/PCM RELAY (DIESEL)CAV CIRCUIT FUNCTION
30 INTERNAL FUSED B(+)
85 K51 20BR/WT ECM/PCM RELAY CONTROL
86 INTERNAL FUSED B(+)
87 K342 16BR/WT ECM/PCM RELAY OUTPUT
87A --
FUEL HEATER RELAY (DIESEL)CAV CIRCUIT FUNCTION
30 INTERNAL FUSED B(+)
85 Z114 18BK/LG GROUND
86 INTERNAL IGNITION SWITCH OUTPUT (RUN-START)
87 N1 16DB/OR FUEL HEATER RELAY OUTPUT
87A --
LIFT PUMP RELAY (DIESEL)CAV CIRCUIT FUNCTION
30 INTERNAL FUSED B(+)
85 N21 20DB/TN LIFT PUMP RELAY CONTROL
86 F202 18PK/GY FUSED IGNITION SWITCH OUTPUT (RUN-START)
87 N2 18DB/YL LIFT PUMP RELAY OUTPUT
87A --
STARTER MOTOR RELAYCAV CIRCUIT FUNCTION
30 INTERNAL FUSED B(+)
85 T752 18DG/OR (GAS) ENGINE STARTER MOTOR RELAY CONTROL
85 T752 20DG/OR (DIESEL) ENGINE STARTER MOTOR RELAY CONTROL
86 INTERNAL IGNITION SWITCH OUTPUT (START)
87 T750 12YL/GY ENGINE STARTER MOTOR RELAY OUTPUT
87A --
RADIATOR FAN NO. 1 (DIESEL) - GRAY 2 WAYCAV CIRCUIT FUNCTION
1 N202 12DB/OR RADIATOR FAN NO. 1 CONTROL
2 N201 12DB/LG RADIATOR FAN RELAY NO. 1 OUTPUT
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Page 1462 of 4284

RADIATOR FAN NO. 2 (DIESEL) - GRAY 2 WAYCAV CIRCUIT FUNCTION
1 Z823 12BK GROUND
2 N112 12DB/OR RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT
RADIATOR FAN RELAY NO. 1 (DIESEL) - BLUE 9 WAYCAV CIRCUIT FUNCTION
1- -
2 N201 12DB/LG RADIATOR FAN RELAY NO. 1 OUTPUT
3- -
4 K342 16BR/WT ECM/PCM RELAY OUTPUT
5- -
6 N210 18DB/DG LOW SPEED RADIATOR FAN RELAY CONTROL
7- -
8 A201 12RD/LG FUSED B(+)
9- -
RADIATOR FAN RELAY NO. 2 (DIESEL) - BLUE 9 WAYCAV CIRCUIT FUNCTION
1- -
2 N112 12DB/OR RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT
3- -
4 K342 16BR/WT ECM/PCM RELAY OUTPUT
5- -
6 N122 18DB/YL HIGH SPEED RADIATOR FAN DUAL RELAY CONTROL
7- -
8 A112 12OR/RD FUSED B(+)
9- -
RADIATOR FAN RELAY NO. 3 (DIESEL) - BLUE 9 WAYCAV CIRCUIT FUNCTION
1- -
2 Z823 12BK GROUND
3- -
4 K342 16BR/WT ECM/PCM RELAY OUTPUT
5 N112 12DB/OR RADIATOR FAN RELAY NO. 2 AND NO. 3 COMMON OUTPUT
6 N122 18DB/YL HIGH SPEED RADIATOR FAN DUAL RELAY CONTROL
7- -
8 N202 12DB/OR RADIATOR FAN NO. 1 CONTROL
9- -
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Page 1463 of 4284
RIGHT SPEED CONTROL SWITCH - WHITE 2 WAYCAV CIRCUIT FUNCTION
A V37 20VT/TN (BUILT UP
EXPORT)SPEED CONTROL SWITCH SIGNAL
A V37 20DG/VT (EXCEPT
BUILT-UP-EXPORT)SPEED CONTROL SWITCH SIGNAL
B Z23 20BK/VT RIGHT SPEED CONTROL SWITCH GROUND
SENTRY KEY IMMOBILIZER MODULE - BLACK 6 WAYCAV CIRCUIT FUNCTION
1- -
2 D25 20WT/VT PCI BUS
3- -
4 F20 20PK/WT IGNITION SWITCH OUTPUT (RUN-START)
5 Z120 20BK/WT GROUND
6 A114 20GY/RD FUSED B(+) (I.O.D.)
VEHICLE SPEED SENSOR (MTX/ATX) - BLACK 3 WAYCAV CIRCUIT FUNCTION
1 F888 18BR/PK (2.4L) 8 VOLT SUPPLY
1 F202 18PK/GY (DIESEL) IGNITION SWITCH OUTPUT (RUN-START)
2 K900 18DB/DG (2.4L) SENSOR GROUND
2 K900 20DB/DG (DIESEL) SENSOR GROUND
3 N7 18DB/OR (2.4L) VEHICLE SPEED SENSOR SIGNAL
3 N7 20DB/OR (DIESEL) VEHICLE SPEED SENSOR SIGNAL
WATER IN FUEL SENSOR (DIESEL) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 F853 20RD WATER IN FUEL SENSOR SIGNAL
2 K900 18RD SENSOR GROUND
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10.0 SCHEMATIC DIAGRAMS
10.1 2001 RG 2.5L TURBO DIESEL
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SCHEMATIC DIAGRAMS