DODGE RAM 2003 Service Repair Manual

POWER WINDOW SWITCH-LEFT REAR - BLUE 6 WAY
CAV CIRCUIT FUNCTION
1 Q13 14DB DRIVER REAR WINDOW DRIVER (UP)
2 Q27 14RD/BK LEFT REAR WINDOW DRIVER (DOWN)
3- -
4 Q17 14DB/WT LEFT REAR WINDOW DRIVER (UP)
5 Q23 14RD/WT DRIVER REAR WINDOW DRIVER (DOWN)
6 Q1 14YL POWER WINDOW SWITCH FEED
POWER WINDOW SWITCH-RIGHT REAR - BLUE 6 WAY
CAV CIRCUIT FUNCTION
1 Q12 14DB PASSENGER REAR WINDOW DRIVER (UP)
2 Q28 14RD/BK RIGHT REAR WINDOW DRIVER (DOWN)
3- -
4 Q18 14DB/WT RIGHT REAR WINDOW DRIVER (UP)
5 Q24 14RD/WT PASSENGER REAR WINDOW DRIVER (DOWN)
6 Q1 14YL POWER WINDOW SWITCH FEED
POWER WINDOW-CIRCUIT BREAKER - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 F1 10DB IGNITION SWITCH OUTPUT (RUN-ACC)
2 F21 12TN FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
POWERTRAIN CONTROL MODULE - C1 (DIESEL) - 32 WAY
CAV CIRCUIT FUNCTION
1- -
2 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
3- -
4 K914 18VT/RD SENSOR GROUND
5- -
6 T24 18GY/BK PARK/NEUTRAL POSITION SWITCH SENSE (T41)
7- -
8 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
9- -
10 - -
11 - -
12 - -
13 - -
14 - -
15 - -
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 A14 18RD/WT FUSED B(+)
23 K22 18OR/DB ACCELERATOR PEDAL POSITION SENSOR SIGNAL
8W - 80 - 84 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE - C1 (DIESEL) - 32 WAY
CAV CIRCUIT FUNCTION
24 - -
25 - -
26 - -
27 - -
28 - -
29 - -
30 - -
31 Z82 14BK/TN GROUND
32 Z81 14BK/TN GROUND
POWERTRAIN CONTROL MODULE - C2 (DIESEL) - 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
2- -
3- -
4- -
5- -
6- -
7- -
8 K88 18VT/WT GOVERNOR PRESSURE SOLENOID CONTROL
9- -
10 - -
11 K54 18OR/BK TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 - -
13 - -
14 - -
15 - -
16 - -
17 - -
18 - -
19 - -
20 - -
21 T60 18BR 3-4 SHIFT SOLENOID CONTROL
22 - -
23 - -
24 - -
25 T13 18DB/BK SPEED SENSOR GROUND
26 - -
27 G7 18WT/OR VEHICLE SPEED SIGNAL
28 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
29 T25 18LG/RD GOVERNOR PRESSURE SENSOR SIGNAL
30 K30 18PK TRANSMISSION CONTROL RELAY CONTROL
31 K6 18VT/WT 5 VOLT SUPPLY
32 - -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 85

POWERTRAIN CONTROL MODULE - C3 (DIESEL) - 32 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 V36 18TN/RD SPEED CONTROL VACUUM SOLENOID CONTROL
5 V35 18LG/RD SPEED CONTROL VENT SOLENOID CONTROL
6- -
7- -
8- -
9- -
10 - -
11 V32 18YL/RD SPEED CONTROL SUPPLY
12 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
13 T6 18OR/WT OVERDRIVE OFF SWITCH SENSE
14 - -
15 - -
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -
24 K29 18WT/PK BRAKE SWITCH SENSE
25 - -
26 - -
27 D15 18WT/DG SCI TRANSMIT
28 - -
29 D6 18PK/LB SCI RECEIVE
30 D25 18VT/BR PCI BUS
31 - -
32 V37 18RD/LG SPEED CONTROL SWITCH SIGNAL
8W - 80 - 86 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE C1 (JTEC) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 K93 18TN/OR (3.7L) COIL DRIVER NO. 3
1 K18 18RD/YL (8.0L) IGNITION COIL NO.1 DRIVER
2 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
3 K94 18TN/LG (3.7L) COIL DRIVER NO. 4
3 K32 18YL/GY (8.0L) IGNITION COIL NO.4 DRIVER
4 K4 18BK/LB SENSOR GROUND
5 K96 18TN/LB (3.7L) COIL DRIVER NO. 6
5 K43 18DG/GY (8.0L) IGNITION COIL NO.5 DRIVER
6 T24 18BR/YL PARK/NEUTRAL POSITION SWITCH SENSE (T41)
7 K91 18TN/RD (3.7L) COIL DRIVER NO. 1
7 K19 18BK/GY (5.9L/8.0L) IGNITION COIL NO. 1 DRIVER
8 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
9 K98 18LB/RD (4.7L) COIL DRIVER NO. 8
9 K17 18DB/TN (8.0L) IGNITION COIL NO. 2 DRIVER
10 K39 18GY/RD IDLE AIR CONTROL NO. 3 DRIVER
11 K60 18YL/BK IDLE AIR CONTROL NO. 2 DRIVER
12 S28 18YL/BK (3.7L) POWER STEERING PRESSURE SWITCH SIGNAL
13 G113 18OR (5.9L) PTO SWITCH SENSE
13 A41 14YL (3.7L) FUSED IGNITION SWITCH OUTPUT (RUN-START)
14 K77 18BR/WT (5.9L) (MANUAL
TRANSFER CASE)TRANSFER CASE POSITION SENSOR INPUT
15 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
16 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
17 K7 18OR 5 VOLT SUPPLY
18 K44 18TN/YL CAMSHAFT POSITION SENSOR SIGNAL
19 K59 18VT/BK IDLE AIR CONTROL NO. 4 DRIVER
20 K40 18BR/WT IDLE AIR CONTROL NO. 1 DRIVER
21 K95 18TN/DG (3.7L) COIL DRIVER NO. 5
22 A14 18RD/WT FUSED B(+)
23 K22 18OR/DB THROTTLE POSITION SENSOR SIGNAL
24 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
25 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
26 K241 18LG/RD (CALIFORNIA) OXYGEN SENSOR 2/1 SIGNAL
27 K1 18DG/RD MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL
28 - -
29 K341 18TN/WT (CALIFORNIA) OXYGEN SENOR 2/2 SIGNAL
30 - -
31 Z82 14BK/TN GROUND
32 Z81 14BK/TN GROUND
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 87

POWERTRAIN CONTROL MODULE C1 (NGC) - BLACK 38 WAY
CAV CIRCUIT FUNCTION
1 K98 18LB/RD COIL CONTROL NO.8
2- -
3 K97 18BR COIL CONTROL NO.7
4 K28 18GY/LB INJECTOR CONTROL NO.8
5 K26 18VT/TN INJECTOR CONTROL NO.7
6- -
7- -
8 B222 20DG/WT (5.7L) VEHICLE SPEED SIGNAL NO. 2
9 Z81 16BK/TN GROUND
10 - -
11 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT
12 A51 16RD/WT (4.7) FUSED IGNITION SWITCH OUTPUT (OFF-RUN-START)
12 Y135 LG/BK (5.7) FUSED IGNITION SWITCH OUTPUT
13 B22 20DG/YL (5.7L) VEHICLE SPEED SIGNAL NO.1
13 G7 18WT/OR (4.7L) VEHICLE SPEED SIGNAL
14 - -
15 - -
16 - -
17 - -
18 Z82 16BK/TN GROUND
19 - -
20 G60 18GY/YL OIL PRESSURE SIGNAL
21 C18 18DB A/C PRESSURE SIGNAL
22 G31 18VT/LG AAT SIGNAL
23 - -
24 - -
25 D20 18LG SCI RECEIVE (PCM)
26 D6 18PK/LB SCI RECEIVE (TCM)
27 K6 18VT/WT (4.7L) 5-VOLT SUPPLY
28 - -
29 A14 20RD/WT FUSED B+
30 A41 16YL FUSED IGNITION SWITCH OUTPUT
31 K141 18TN/WT O2 1/2 SIGNAL
32 Y213 18PK/LB O2 RETURN UPSTREAM
33 K341 18TN/WT (4.7L) O2 2/2 SIGNAL
34 - -
35 - -
36 D21 18PK SCI TRANSMIT (PCM)
37 D15 18WT/DG (4.7L) SCI TRANSMIT (TCM)
38 D25 20VT/BR PCI BUS
8W - 80 - 88 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE C2 (JTEC) - WHITE 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT (5.9L/8.0L) TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 K26 18VT/TN (5.9L/8.0L) FUEL INJECTOR NO. 7 DRIVER
3 K115 18TN (8.0L) FUEL INJECTOR NO.9 DRIVER
4 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
5 K13 18YL/WT FUEL INJECTOR NO. 3 DRIVER
6 K38 18GY FUEL INJECTOR NO. 5 DRIVER
7 K97 18BR (4.7L) COIL DRIVER NO. 7
8 K88 18VT/WT (5.9L) GOVERNOR PRESSURE SOLENOID CONTROL
9 K92 18TN/PK (3.7L) COIL DRIVER NO. 2
10 K20 18DG GENERATOR FIELD
11 K54 18OR/BK (5.9L) TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
13 K28 18GY/LB (5.9L/8.0L) FUEL INJECTOR NO. 8 DRIVER
14 K116 18WT/DB (8.0L) FUEL INJECTOR NO.10 DRIVER
15 K12 18TN FUEL INJECTOR NO. 2 DRIVER
16 K14 18LB/BR FUEL INJECTOR NO. 4 DRIVER
17 Y145 18DB/YL CONDENSER FAN RELAY CONTROL
18 - -
19 C18 18DB A/C PRESSURE SIGNAL
20 - -
21 T60 18BR (5.9L/8.0L) 3-4 SHIFT SOLENOID CONTROL
22 - -
23 G60 18GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
24 - -
25 T13 18DB/BK (5.9L8.0L) SPEED SENSOR GROUND
26 - -
27 G7 18WT/OR VEHICLE SPEED SIGNAL
28 T14 18LG/WT (5.9L/8.0L) OUTPUT SPEED SENSOR SIGNAL
29 T25 18LG/RD (5.9L/8.0L) GOVERNOR PRESSURE SENSOR SIGNAL
30 K30 18PK (5.9L/8.0L) TRANSMISSION CONTROL RELAY CONTROL
31 K6 18VT/WT 5 VOLT SUPPLY
32 - -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 89

POWERTRAIN CONTROL MODULE C2 (NGC) - GRAY 38 WAY
CAV CIRCUIT FUNCTION
1 K96 18TN/LB COIL CONTROL NO.6
2 K95 18TN/DG COIL CONTROL NO.5
3 K94 18TN/LG COIL CONTROL NO.4
4 K58 18BR/DB INJECTOR CONTROL NO.6
5 K38 18GY INJECTOR CONTROL NO.5
6 F888 18BR/PK (5.7L) ETC MOTOR (+) CONTROL
7 K93 18TN/OR COIL CONTROL NO.3
8- -
9 K92 18TN/PK COIL CONTROL NO.3
10 K91 18TN/RD COIL CONTROL NO.1
11 K14 18LB/BR INJECTOR CONTROL NO.4
12 K13 18YL/WT INJECTOR CONTROL NO.3
13 K12 18TN INJECTOR CONTROL NO.2
14 K11 18WT/DB INJECTOR CONTROL NO.1
15 K101 18WT (5.7L) TP SENSOR RETURN
16 - -
17 K299 18BR/WT (4.7L) O2 2/1 HEATER CONTROL
18 K41 18DK/DG O2 1/1 HEATER CONTROL
19 K20 18DG GEN FIELD CONTROL
20 K2 18TN/BK ECT SIGNAL
21 K22 18OR/DB TP NO.1 SIGNAL
22 - -
23 K1 18DG/RD MAP SIGNAL
24 Y205 18BR/WT (5.7L) KNOCK SENSOR NO.1 RETURN
25 K73 18YL/BK (5.7L) KNOCK SENSOR NO. 1 SIGNAL
26 K77 18BR/WT TRANSFER CASE POSITION SENSOR INPUT
27 K4 18BK/LB SENSOR GROUND
28 K60 18YL/BK (4.7L) IAC SIGNAL
28 K122 18DB/GY (5.7L) TP NO.2 SIGNAL
29 K7 18OR 5 VOLT SUPPLY
30 K21 18BK/RD IAT SIGNAL
31 K99 18BR/OR O2 1/1 SIGNAL
32 K902 18BR/DG O2 RETURN DOWNSTREAM
33 K241 18LG/RD (4.7L) O2 2/1 SIGNAL
34 K44 18TN/YL CMP SIGNAL
35 K24 18GY/BK CKP SIGNAL
36 K74 18BR/VT (5.7L) KNOCK SENSOR NO. 2 SIGNAL
37 Y206 18DB/VT (5.7L) KNOCK SENSOR NO.2 RETURN
38 K39 18GY/RD IAC CONTROL
38 F855 18OR/PK (5.7L) ETC MOTOR (-) CONTROL
8W - 80 - 90 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE C3 (JTEC) - GRAY 32 WAY
CAV CIRCUIT FUNCTION
1 C13 18DB/OR A/C CLUTCH RELAY CONTROL
2- -
3 K51 18DB/YL AUTO SHUT DOWN RELAY CONTROL
4 V36 18TN/RD SPEED CONTROL VACUUM SOLENOID CONTROL
5 V35 18LG/RD SPEED CONTROL VENT SOLENOID CONTROL
6- -
7 K73 18YL/BK (3.7L) KNOCK SENSOR NO. 1 SIGNAL
8 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
9 K127 18DB/OR OXYGEN SENSOR DOWNSTREAM RELAY CONTROL
10 K106 18WT/DG LEAK DETECTION PUMP SWITCH SENSE
11 V32 18YL/RD SPEED CONTROL SUPPLY
12 A142 16DG/OR AUTO SHUT DOWN RELAY OUTPUT
13 T6 18OR/WT (5.9L) OVERDRIVE OFF SWITCH SENSE
13 T10 18YL/DG (5.9L DIESEL) TORQUE MANAGEMENT REQUEST SENSE
14 K107 18OR LEAK DETECTION PUMP SOLENOID CONTROL
15 K118 18PK/YL BATTERY TEMPERATURE SENSOR SIGNAL
16 K299 18BR/WT (CALIFORNIA) OXYGEN SENSOR 2/1 HEATER CONTROL
16 K299 18BR/WT (EXCEPT CALIFORNIA) OXYGEN SENSOR 1/2 HEATER CONTROL
17 - -
18 K74 18BR/VT (3.7L) KNOCK SENSOR NO. 2 SIGNAL
19 K31 18BR FUEL PUMP RELAY CONTROL
20 K52 18PK/BK EVAPORATIVE EMISSION SOLENOID CONTROL
21 - -
22 - -
23 - -
24 K29 18WT/PK BRAKE SWITCH SENSE
25 K125 18WT/DB GENERATOR SOURCE
26 G8 18LB/BK FUEL LEVEL SENSOR SIGNAL
27 D21 18PK SCI TRANSMIT
28 - -
29 D20 18LG SCI RECEIVE
30 D25 18VT/BR PCI BUS
31 - -
32 V37 18RD/LG SPEED CONTROL SWITCH SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 91

POWERTRAIN CONTROL MODULE C3 (NGC) - WHITE 38 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 K51 20DB.YL ASD RELAY CONTROL
4- -
5 V35 18LG/RD (4.7L) S/C VENT CONTROL
6 Y145 20DB/YL CONDENSER FAN RELAY CONTROL
7 V32 20YL/RD (4.7L) S/C POWER SUPPLY
8 K106 18WT/DG (4.7L) NVLD SOLENOID CONTROL
9 K199 18BR/VT O2 1/2 HEATER CONTROL
10 K399 18BR/GY (4.7L) O2 2/2 HEATER CONTROL
11 C13 20DB/OR A/C CLUTCH RELAY CONTROL
12 V36 18TN/RD (4.7L) S/C VACUUM CONTROL
13 - -
14 V32 20YL/RD (5.7L) BRAKE SWITCH NO.2 SIGNAL
15 Y215 20YL/PK (5.7L) S/C SWITCH RETURN
16 K223 18PK/DB (5.7L) APPS NO.1 RETURN
17 K981 18BR/DG (5.7L) APPS NO.2 RETURN
18 V38 20VT/OR (5.7L) S/C SWITCH NO.2 SIGNAL
19 A142 16DG/OR ASD RELAY OUTPUT
20 K108 18WT/TN EVAP PURGE SOL SIGNAL
21 T24 20BR/YL TRS T24 SENSE (P/N SENSE)
22 G113 18OR PTO SWITCH SENSE
23 K29 18WT/PK BRAKE SWITCH SIGNAL
24 - -
25 K255 18WT/DG (5.7L) APPS NO.1 SIGNAL
26 - -
27 - -
28 A142 16DG/OR ASD RELAY OUTPUT
29 K52 18PK/BK EVAP PURGE SOL CONTROL
30 S28 18YL/BK P/S SWITCH SIGNAL
31 - -
32 K118 18PK/YL BATT TEMP SIGNAL
33 G8 18LB/BK FUEL LEVEL SIGNAL
34 V37 18RD/LG S/C SWITCH NO.1 SIGNAL
35 K107 18OR NVLD SWITCH SIGNAL
36 K81 18DB/DG (5.7L) APPS NO.2 SIGNAL
37 K31 18BR FUEL PUMP RELAY CONTROL
38 T752 18DG/OR STARTER RELAY CONTROL
8W - 80 - 92 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE C4 (NGC) - GREEN 38 WAY
CAV CIRCUIT FUNCTION
1 T60 18BR (4.7L) OVERDRIVE SOLENOID CONTROL
2 T159 18DG/WT (4.7L) 4C SOLENOID CONTROL
3 Y207 18RD/WT (5.7L) TPS NO. 1 OUTPUT
4 T140 18VT/LG (4.7L) PRESSURE CONTROL SOLENOID CONTROL
5 Y208 18DB/YL (5.7L) APPS NO. 1 OUTPUT
6 T119 18WT/DB (4.7L) 2C SOLENOID CONTROL
7 T10 18YL/DG (5.7L) TORQUE MANAGEMENT REQUEST SENSE
8 T59 18PK (4.7L) UNDERDRIVE SOLENOID CONTROL
9 Y209 18TN/BK (5.7L) SENSOR GROUND
10 T120 18LG (4.7L) LR SOLENOID CONTROL
11 T118 18YL/DB (4.7L) PRESSURE CONTROL SOLENOID CONTROL
11 Y210 18YL/RD (5.7L EATX) RPM SIGNAL
12 Z13 16BK/RD (4.7L) GROUND
13 Z13 16BK/RD (4.7L) GROUND
14 Z13 16BK/RD (4.7L) GROUND
15 T1 18LG/BK (4.7L) TRS T1 SENSE
16 T3 18VT (4.7L) TRS T3 SENSE
17 T6 18OR/WT (4.7L) OVERDRIVE OFF SWITCH SENSE
18 K30 18PK (4.7L) TRANSMISSION CONTROL RELAY CONTROL
19 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
20 T48 18DB (4.7L) 4C PRESSURE SWITCH SENSE
21 T29 18GY (4.7L) UNDERDRIVE PRESSURE SWITCH SENSE
22 T9 18OR/BK (4.7L) OVERDRIVE PRESSURE SWITCH SENSE
23 - -
24 - -
25 - -
26 T4 18PK/OR (4.7L) TRS T2 SENSE
27 - -
28 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
29 T50 18DG (4.7L) LOW/REVERSE PRESSURE SWITCH SENSE
30 T147 18LB (4.7L) 2C PRESSURE SWITCH SENSE
31 T38 18VT/TN (4.7L) LINE PRESSURE SENSOR SIGNAL
32 T14 18LG/WT (4.7L) OUTPUT SPEED SENSOR SIGNAL
33 T52 18RD/BK (4.7L) INPUT SPEED SENSOR SIGNAL
34 T13 18DB/BK (4.7L) SPEED SENSOR GROUND
35 T54 18VT (4.7L) TRANSMISSION TEMPERATURE SENSOR SIGNAL
36 - -
37 T42 18VT/WT (4.7L) TRS T42 SENSE
38 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 93