Diesel DODGE RAM 2003 Service Repair Manual

LICENSE LAMP-RIGHT - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z53 18BK GROUND
LIFT PUMP MOTOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 K62 18BK/OR LIFT PUMP FEED
2 Z11 18BK/WT GROUND
LINE PRESSURE SENSOR (3.7L/5.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z113 18BK GROUND
2 T39 18GY/LB 5 VOLT SUPPLY
3 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
LINE PRESSURE SENSOR (4.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K6 18VT/WT 5 VOLT SUPPLY
3 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 75

OUTPUT SPEED SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
OVERDRIVE SWITCH - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 T6 20OR/WT OVERDRIVE OFF SWITCH SENSE
2 Z71 20BK/TN GROUND
OVERHEAD MAP/READING LAMP (EXCEPT BASE) - NATURAL 3 WAY
CAV CIRCUIT FUNCTION
1 M11 20PK/LB COURTESY LAMP GROUND
2 F32 18RD/YL FUSED B(+)
3 M20 20BR COURTESY LAMP DRIVER
OXYGEN SENSOR 1/1 UPSTREAM - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT FUSED AUTO SHUT DOWN RELAY OUTPUT
1 K41 18BK/DG (NGC) O2 1/1 HEATER CONTROL
2 Z192 18BK/WT (NGC) GROUND
2 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 Y213 18PK/LB (NGC) O2 UPSTREAM RETURN
4 K99 18BR/OR (NGC) O2 1/1 SIGNAL
4 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
8W - 80 - 78 8W-80 CONNECTOR PIN-OUTSDR

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 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

TENSIONER-LEFT SEAT BELT - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R54 18LB/YL LEFT SEAT BELT TENSIONER LINE 2
2 R56 18LB/DG LEFT SEAT BELT TENSIONER LINE 1
TENSIONER-RIGHT SEAT BELT - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R53 18LG/YL RIGHT SEAT BELT TENSIONER LINE 2
2 R55 18LG/DG RIGHT SEAT BELT TENSIONER LINE 1
THROTTLE POSITION SENSOR - NATURAL 3 WAY
CAV CIRCUIT FUNCTION
1 K7 18OR 5 VOLT SUPPLY
2 K22 18OR/DB (4.7L/5.9L) TP NO.1 SIGNAL
2 K4 18BK/LB (3.7L) SENSOR GROUND
3 K4 18BK/LB (4.7L/5.9L) SENSOR GROUND
3 K22 18OR/DB (3.7L) TP NO.1 SIGNAL
THROTTLE POSITION SENSOR (DIESEL)-6WAY
CAV CIRCUIT FUNCTION
1 K104 18RD/WT SENSOR GROUND
2 K101 18WT THROTTLE POSITION SENSOR RETURN
3 K232 18YL THROTTLE POSITION SIGNAL
4 K56 18LG/OR SUPPLY VOLTAGE
5 K900 18DB/DG SENSOR GROUND
6 K49 18VT/BK No Function Defined
8W - 80 - 100 8W-80 CONNECTOR PIN-OUTSDR

TRANSMISSION CONTROL MODULE - BLACK 60 WAY
CAV CIRCUIT FUNCTION
52 T52 18RD/BK INPUT SPEED SENSOR SIGNAL
53 Z113 18BK GROUND
54 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
55 T59 18PK UNDERDRIVE SOLENOID CONTROL
56 A61 16DG/BK FUSED B(+)
57 Z13 16BK/RD GROUND
58 - -
59 T159 18DG/WT 4C SOLENOID CONTROL
60 T60 18BR OVERDRIVE SOLENOID CONTROL
TRANSMISSION RANGE SENSOR (5.9L/DIESEL) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
2 Y193 20YL/RD TRANS RANGE SENSOR ELECTRONIC CLUSTER MUX
3- -
4 L1 18VT/BK BACKUP LAMP FEED
5 Y128 20DG/GY TRANS RANGE SENSOR ELECTRONIC CLUSTER 5
VOLT SUPPLY
6 T24 20BR/YL PARK/NEUTRAL POSITION SWITCH SENSE (T41)
TRANSMISSION SOLENOID ASSEMBLY (5.9L/8.0L)-8WAY
CAV CIRCUIT FUNCTION
1 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
2 K6 18VT/WT 5 VOLT SUPPLY
3 K4 18BK/LB SENSOR GROUND
4 T25 18LG/RD GOVERNOR PRESSURE SENSOR SIGNAL
5 K88 18VT/WT GOVERNOR PRESSURE SOLENOID CONTROL
6 T60 18BR 3-4 SHIFT SOLENOID CONTROL
7 K54 18OR/BK TORQUE CONVERTER CLUTCH SOLENOID CONTROL
8 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 105

TRANSMISSION SOLENOID/TRS ASSEMBLY (3.7L/4.7L/5.7L) - BLACK 23 WAY
CAV CIRCUIT FUNCTION
1 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
2 T120 18LG LR SOLENOID CONTROL
3 T24 18BR/YL TRS T41 SENSE
4 T41 18BK/WT (5.7L) TRS T41 SENSE
4 T24 20BR/YL (4.7L) TRS T41 SENSE
5 T42 18VT/WT TRS T42 SENSE
6 L1 18VT/BK BACK-UP LAMP FEED
7 T60 18BR OVERDRIVE SOLENOID CONTROL
8 T3 18VT TRS T3 SENSE
9 T1 18LG/BK TRS T1 SENSE
10 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
11 T48 18DB 4C PRESSURE SWITCH SENSE
12 T118 18YL/DB PRESSURE CONTROL SOLENOID CONTROL
13 T4 18PK/OR TRS T2 SENSE
14 T50 18DG LOW/REVERSE PRESSURE SWITCH SENSE
15 T147 18LB 2C PRESSURE SWITCH SENSE
16 T9 18OR/BK OVERDRIVE PRESSURE SWITCH SENSE
17 T59 18PK UNDERDRIVE SOLENOID CONTROL
18 T29 18GY UNDERDRIVE PRESSURE SWITCH SENSE
19 T159 18DG/WT 4C SOLENOID CONTROL
20 T119 18WT/DB 2C SOLENOID CONTROL
21 T140 18VT/LG PRESSURE CONTROL SOLENOID CONTROL
22 T13 18DB/BK (5.7L) SPEED SENSOR GROUND
22 K4 18BK/LB (4.7L) SENSOR GROUND
23 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
UNDERHOOD LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z235 20LB/BK GROUND
2 M1 18PK FUSED B(+)
VACUUM PUMP (DIESEL)-4WAY
CAV CIRCUIT FUNCTION
1- -
2 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
3- -
4 Z11 18BK/WT GROUND
8W - 80 - 106 8W-80 CONNECTOR PIN-OUTSDR

VEHICLE SPEED SENSOR (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
1 K6 18VT/WT 5 VOLT SUPPLY
2 K167 18BR/TL ACCELERATOR PEDAL POSITION SENSOR GROUND
NO. 1
3 G17 18WT/TN SPEEDOMETER SIGNAL
VISTRONIC FAN DRIVE (DIESEL)-6WAY
CAV CIRCUIT FUNCTION
1 Y1 18LG PARK LOCKOUT SOLENOID CONTROL
2 K4 18BK/LB SENSOR GROUND
3 Y5 18OR FAN SPEED
4- -
5 Y3 18WT SENSOR SUPPLY
6 F15 20DB FUSED IGNTION SWITCH OUTPUT (RUN)
WASHER FLUID LEVEL SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Y137 20VT/LB EXCEPT 8.0L/DIESEL SENSOR GROUND
2 G29 20BK/TN WASHER FLUID SWITCH SENSE
2 Y137 20VT/LB 8.0L/DIESEL SENSOR GROUND
WASHER PUMP MOTOR-FRONT - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z216 20BK/VT GROUND
2 V10 20BR WASHER PUMP MOTOR CONTROL
WATER IN FUEL SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 K104 18RD/WT SENSOR GROUND
2 G20 18VT/YL IGNITION SWITCH SENSE
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 107