2003 DODGE RAM Diesel

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

WASHER FLUID LEVEL SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Y137 20VT/LB SENSOR GROUND
2 G29 20BK/TN WASHER FLUID SWITCH SENSE
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
WHEEL SPEED SENSOR-LEFT FRONT (ABS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 B8 20RD/DB LEFT FRONT WHEEL SPEED SENSOR (-)
2 B9 20RD LEFT FRONT WHEEL SPEED SENSOR (+)
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 109

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Blower Motor BK Behind Right Side of Instrument
PanelN/S
Blower Motor Resistor Block BK Behind Right Side of Instrument
PanelN/S
Brake Lamp Switch BK Top of Brake Pedal Arm 32, 37, 39
Brake Provision-Electric Rear of Engine 26, 27
Brake Transmission Shift Interlock
SolenoidBK Near Steering Column 33, 37, 39
C100 BK Near G107 21, 22, 23, 24, 25
C102 Near Integrated Power Module 28
C106 (5.7L) BK Left Rear Engine 5
C107 (5.7L) BK Left Rear Engine 5
C112 (Diesel) BK Near T/O for Water In Fuel Sensor N/S
C113 BK Left Side Engine 10
C114 BK Left side Engine 10
C115 (Diesel) BK Left Side Engine 10
C130 BK Left Rear of Engine 21, 22, 23, 24, 26
C200 GY Under Instrument Panel 40
C201 WT Near Left Instrument Panel
Speaker37, 39
C205 BK Left Rear Side of Engine
CompartmentN/S
C206 BK Right Instrument Panel 37, 40, 46
C216 BK Middle Left Frame 26, 28, 48
C217 BK Middle Left Frame 26, 28, 37, 48
C218 WT Left Side of Instrument Panel 26, 27, 41, 44
C219 GY Left Side of Instrument Panel 26, 27, 33, 37, 39, 41
C220 WT Left Side of Instrument Panel 37, 39, 41
C301 WT Right Kick Panel 41
C302 BK Left Front Door 41
C304 WT Left Side of Instrument Panel 42, 44, 45
C305 BK At Left Front Door 42, 44, 45
C306 WT Middle Front of Door 43, 45
C307 BK Near Right License Lamp 48, 49
C308 WT Under Instrument Panel 40, 41
C309 WT Left Side of Instrument Panel 39, 41, 44, 45
C310 BK Left Rear of Frame 48, 49
C311 BK Left Rear of Frame 44, 45
C312 WT Under Seat N/S
C313 DK GY At Driver Seat N/S
C314 DK GY At Driver Seat N/S
C315 DK GY At Driver Seat N/S
C316 BK At Passenger Seat N/S
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)