heater DODGE RAM 2003 Service Manual PDF

A/C-HEATER CONTROL C1 - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1 F15 20DB FUSED IGNITION SWITCH OUTPUT (RUN)
2 Z120 20WT/BK GROUND
3 C57 20DB/GY SENSOR GROUND
4 C33 20DB/RD MODE DOOR 2 DRIVER
5- -
6 C12 20LG/BK EVAPORATOR TEMPERATURE SENSOR SIGNAL
7- -
8 Y165 20OR/YL PANEL LAMPS DRIVER
9 C62 20DB/PK BLEND DOOR DRIVER
10 C35 20DG/YL MODE DOOR 1 DRIVER
11 C34 20DB/WT COMMON DOOR DRIVER
12 C32 20GY/DB RECIRCULATION DOOR DRIVER
13 C46 20YL/LG PASSENGER BLEND DOOR DRIVER
14 - -
15 C16 20LB/YL HEATED MIRROR RELAY CONTROL
16 D25 20VT/LG PCI BUS
A/C-HEATER CONTROL C2 - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1- -
2 C4 16TN BLOWER MOTOR LOW DRIVER
3 C6 14LB BLOWER MOTOR M2 DRIVER
4- -
5 Z37 10BK/DB GROUND
6- -
7 C5 16LG BLOWER MOTOR M1 DRIVER
8- -
9- -
10 C7 10BK/TN BLOWER MOTOR HIGH DRIVER
ACCELERATOR PEDAL POSITION SENSOR (5.7L/DIESEL M/T NORMAL BUILD)-6WAY
CAV CIRCUIT FUNCTION
1 K81 20DB/DG APPS NO. 2 SIGNAL
2 K6 20VT/WT 5-VOLT SUPPLY
3 K7 20OR 5-VOLT SUPPLY
4 K981 20BR/DG APPS NO. 2 RETURN
5 K255 20WT/DG APPS NO. 1 SIGNAL
6 K223 20PK/DB APPS NO. 1 RETURN
8W - 80 - 6 8W-80 CONNECTOR PIN-OUTSDR

DRIVER DOOR MODULE C1 - BLUE 12 WAY
CAV CIRCUIT FUNCTION
1 Q28 14DG/WT RIGHT REAR WINDOW DRIVER (DOWN)
2 Q18 14GY/BK RIGHT REAR WINDOW DRIVER (UP)
3 Q16 14BR/WT MASTER WINDOW SWITCH RIGHT FRONT (UP)
4 Q17 14DB/WT LEFT REAR WINDOW DRIVER (UP)
5 Q11 14LB LEFT FRONT WINDOW DRIVER (UP)
6 Q26 14VT/WT MASTER WINDOW SWITCH RIGHT FRONT (DOWN)
7 P97 20WT/DG DRIVER DOOR LOCK SWITCH MUX
8 Z67 14BK GROUND
9 F21 14TN FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 Q27 14RD/BK LEFT REAR WINDOW DRIVER (DOWN)
11 Z75 20BK GROUND
12 Q21 14WT LEFT FRONT WINDOW DRIVER (DOWN)
DRIVER DOOR MODULE C2 - BLUE 8 WAY
CAV CIRCUIT FUNCTION
1 P71 20YL LEFT MIRROR UP DRIVER
2 P76 20OR/YL LEFT MIRROR COMMON DRIVER (RIGHT/DOWN)
3 F32 18RD/YL FUSED B(+)
4 P74 20DB RIGHT MIRROR LEFT DRIVER
5 Z239 20BK GROUND
6 P75 20DB/WT LEFT MIRROR LEFT DRIVER
7 P72 20YL/BK RIGHT MIRROR UP DRIVER
8 Q1 14YL POWER WINDOW SWITCH FEED
DRIVER HEATED SEAT CUSHION - DK GRAY 4 WAY
CAV CIRCUIT FUNCTION
1 P141 18TN/LB DRIVER SEAT TEMPERATURE SENSOR INPUT
2 Z121 20BK/LG GROUND
3 P143 20BK/DG DRIVER SEAT TEMPERATURE 5 VOLT SUPPLY
4 P86 20PK/BK SEAT HEATER DRIVER
ELECTRIC BRAKE PROVISION - BLUE 4 WAY
CAV CIRCUIT FUNCTION
1 Y133 14RD/OR FUSED B(+)
2 B40 14LB TRAILER TOW BRAKE B(+)
3 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
4 Z255 18DG/BK GROUND
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 53

FOG LAMP-RIGHT - WHITE 2 WAY
CAV CIRCUIT FUNCTION
A Z144 18BK/OR GROUND
B L39 18LB FOG LAMP RELAY OUTPUT
FUEL CONTROL ACTUATOR (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
1 K915 18VT/RD FUEL RAIL SENSOR RETURN
2 K102 18PK/BK FUEL PUMP DRIVER
3 K72 18DG/OR 5 VOLT SUPPLY
FUEL HEATER (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
A A93 14RD/BK FUEL HEATER RELAY OUTPUT
B Z378 14BK GROUND
FUEL INJECTOR NO. 1 (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 K91 14TN/RD COMMON INJECTOR DRIVER
2 K11 14WT/DB FUEL INJECTOR NO. 1 CONTROL
FUEL INJECTOR NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
1 K11 18WT/DB (NGC) INJECTOR CONTROL NO. 1
2 A142 16DG/OR (NGC) ASD RELAY OUTPUT
2 A142 16DG/OR AUTO SHUT DOWN RELAY OUTPUT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 59

HEADLAMP-LEFT - BLUE 3 WAY
CAV CIRCUIT FUNCTION
1 Y171 18WT/DG LEFT LOW BEAM OUTPUT
2 Z141 18BK/LB GROUND
3 Y170 18WT/LG LEFT HIGH BEAM OUTPUT
HEADLAMP-RIGHT - BLUE 3 WAY
CAV CIRCUIT FUNCTION
1 Y169 18WT/TN RIGHT LOW BEAM OUTPUT
2 Z142 18BK/LG GROUND
3 Y168 18WT/LB RIGHT HIGH BEAM OUTPUT
HEATED SEAT CUSHION-PASSENGER - BLUE 4 WAY
CAV CIRCUIT FUNCTION
1 P142 20TN/DB PASSENGER SEAT TEMPERATURE SENSOR INPUT
2 Z121 20BK/WT GROUND
3 P144 20BK/LG PASSENGER SEAT TEMPERATURE 5 VOLT SUPPLY
4 P86 20PK/BK SEAT HEATER DRIVER
HEATED SEAT SWITCH-DRIVER - RED 6 WAY
CAV CIRCUIT FUNCTION
1 P137 20VT/DG DRIVER SEAT LOW HEAT LED DRIVER
2 Y161 20OR/RD PANEL LAMPS FEED
3 Z259 20BK/LG GROUND
4 P131 20RD/DG HEATED SEAT SWITCH SUPPLY
5 P139 20VT/WT DRIVER SEAT HIGH HEAT LED DRIVER
6 P133 20TN/DG DRIVER SEAT HEATER MUX SWITCH
8W - 80 - 64 8W-80 CONNECTOR PIN-OUTSDR

HEATED SEAT SWITCH-PASSENGER - BLUE 6 WAY
CAV CIRCUIT FUNCTION
1 P138 20VT/LG PASSENGER SEAT LOW HEAT LED DRIVER
2 Y161 20OR/RD PANEL LAMPS FEED
3 Z260 20DG/BK GROUND
4 P131 20RD/DG HEATED SEAT SWITCH SUPPLY
5 P140 20VT/BK PASSENGER SEAT HIGH HEAT LED DRIVER
6 P134 20TN/LG PASSENGER SEAT HEATER MUX SWITCH
HORN SWITCH - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 X3 20BK/RD HORN SWITCH SENSE
2- -
HORN-HIGH NOTE - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X2 18DG/RD HORN RELAY OUTPUT
2 Z307 18BK/WT GROUND
HORN-LOW NOTE - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X2 18DG/RD HORN RELAY OUTPUT
2 Z308 18BK/BR GROUND
IDLE AIR CONTROL MOTOR (3.7L/5.9L/8.0L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
C K39 18GY/RD IDLE AIR CONTROL MOTOR NO. 3 DRIVER
B K60 18YL/BK IDLE AIR CONTROL MOTOR NO. 2 DRIVER
A K40 18BR/WT IDLE AIR CONTROL MOTOR NO. 1 DRIVER
D K59 18VT/BK IDLE AIR CONTROL MOTOR NO. 4 DRIVER
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 65

INTEGRATED POWER MODULE C5 - 26 WAY
CAV CIRCUIT FUNCTION
1 A38 16OR FUSED IGNITION SWITCH OUTPUT (RUN)
2 K173 18LG (GAS EXCEPT 5.9L) GROUND
2 K173 18LG (5.9L) GROUND
2 K173 20LG (DIESEL) GROUND
3- -
4 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
5 C23 16DG CONDENSER FAN RELAY OUTPUT
6 F15 20DB (DIESEL) FUSED IGNITION SWITCH OUTPUT (RUN)
7 G115 20YL/WT (DIESEL) FUSED B(+)
8 Z316 12BK/OR GROUND
9- -
10 - -
11 C13 18DB/OR A/C COMPRESSOR CLUTCH RELAY CONTROL
12 - -
13 A42 18DG (CALIFORNIA) OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
14 Z114 18BK/LG (DIESEL) GROUND
14 Y145 20DB/YL (EXCEPT DIESEL)
15 A17 16RD/BK (EXCEPT DIESEL)
15 Y135 18LG/BK (DIESEL) FUSED IGNITION SWITCH OUTPUT (RUN-START)
16 K30 18PK TRANSMISSION CONTROL RELAY CONTROL
17 F121 16TN/BK HEATED MIRROR RELAY OUTPUT
18 C3 18DB/BK A/C COMPRESSOR CLUTCH RELAY OUTPUT
19 - -
20 - -
21 C16 20LB/YL HEATED MIRROR RELAY CONTROL
22 V4 16RD/YL WIPER RELAY HIGH SPEED OUTPUT
23 F23 18DB/YL FUSED B(+)
24 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
25 - -
26 F15 20DB FUSED IGNITION SWITCH OUTPUT (RUN)
26 Y106 20OR/RD (ELECTRIC TRANSFER
CASE)FUSED IGNITION SWITCH OUTPUT (RUN)
INTEGRATED POWER MODULE C6 - BLACK 15 WAY
CAV CIRCUIT FUNCTION
1- -
2 Y133 14RD/OR FUSED B(+)
3- -
4 A142 16DG/OR AUTO SHUT DOWN RELAY OUTPUT
5- -
6- -
7- -
8- -
9- -
10 A93 12RD/BK (DIESEL) FUEL HEATER RELAY OUTPUT
10 C23 16DG (EXCEPT DIESEL)
11 A112 12RD/TN (DIESEL) FUSED B(+)
11 A17 16RD/BK (EXCEPT DIESEL)
12 A31 14BK/WT FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
13 - -
14 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
15 - -
8W - 80 - 72 8W-80 CONNECTOR PIN-OUTSDR

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

OXYGEN SENSOR 1/2 DOWNSTREAM - NATURAL 4 WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT (EXCEPT CALIFORNIA) FUSED AUTO SHUT DOWN RELAY OUTPUT
1 A42 18DG (CALIFORNIA) OXYGEN SENSOR RELAY OUTPUT
1 K199 18BR/VT (NGC) O2 1/2 HEATER CONTROL
2 Z188 18BK/LB (NGC) SENSOR GROUND
2 Z193 18BK/WT (CALIFORNIA) GROUND
2 K299 18BR/WT (EXCEPT CALIFORNIA) OXYGEN SENSOR 1/2 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 K904 18BR/DG (NGC) O2 RETURN DOWNSTREAM
4 K141 18TN/WT (NGC) 02 1/2 SIGNAL
4 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
OXYGEN SENSOR 2/1 UPSTREAM (CALIFORNIA 4.7L/CALIFORNIA 5.9L)-4WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT FUSED AUTO SHUT DOWN RELAY OUTPUT
1 K299 18BR/WT (NGC) O2 2/1 HEATER CONTROL
2 Z193 18BK/DG (NGC) GROUND
2 K299 18BR/WT OXYGEN SENSOR 2/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 Y213 18PK/LB (NGC) O2 UPSTREAM RETURN
4 K241 18LG/RD (NGC) 02 2/1 SIGNAL
4 K241 18LG/RD OXYGEN SENSOR 2/1 SIGNAL
OXYGEN SENSOR 2/2 DOWNSTREAM (CALIFORNIA 4.7L/CALIFORNIA 5.9L)-4WAY
CAV CIRCUIT FUNCTION
1 A42 18DG OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
1 K399 18BR/GY (NGC) O2 2/2 HEATER CONTROL
2 Z186 18BK/LB (NGC) GROUND
2 Z192 18RD GROUND
3 K4 18DB SENSOR GROUND
3 K904 18BR/DG (NGC) O2 RETURN DOWNSTREAM
4 K341 18TN/WT (NGC) O2 2/2 SIGNAL
4 K341 18OR OXYGEN SENSOR 2/2 SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 79

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