DODGE RAM 2002 Service Repair Manual

8W-20 CHARGING SYSTEM
Component Page
Auxiliary Battery.................... 8W-20-3
Battery.......................... 8W-20-2, 3
Battery Temperature Sensor............ 8W-20-4
Engine Control Module................ 8W-20-4
Engine Starter Motor............... 8W-20-2, 3
Fuse 3 (PDC)....................... 8W-20-4
Fuse Gen (PDC)................... 8W-20-2, 3
Fusible Link........................ 8W-20-3
G113 .............................. 8W-20-3
G114 .............................. 8W-20-2
G115 ............................ 8W-20-2, 3Component Page
G116 .............................. 8W-20-2
G117 .............................. 8W-20-3
G118 .............................. 8W-20-3
G120.............................. 8W-20-3
Generator........................ 8W-20-2, 3
Intake Air Heater Relay No. 1.......... 8W-20-3
Intake Air Heater Relay No. 2.......... 8W-20-3
Joint Connector No. 1................. 8W-20-4
Joint Connector No. 2................. 8W-20-4
Power Distribution Center......... 8W-20-2, 3, 4
Powertrain Control Module......... 8W-20-2, 3, 4
BR/BE8W-20 CHARGING SYSTEM 8W - 20 - 1

8W-21 STARTING SYSTEM
Component Page
Auxiliary Battery.................... 8W-21-2
Battery............................ 8W-21-2
Bypass Jumper...................... 8W-21-2
Clutch Pedal Position Switch........... 8W-21-2
Engine Starter Motor................. 8W-21-2
Engine Starter Motor Relay.......... 8W-21-2, 3Component Page
Fuse 9 (PDC)....................... 8W-21-2
G105.............................. 8W-21-3
Ignition Switch...................... 8W-21-2
Park/Neutral Position Switch........... 8W-21-3
Power Distribution Center............. 8W-21-2
Powertrain Control Module............. 8W-21-3
BR/BE8W-21 STARTING SYSTEM 8W - 21 - 1

8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch Relay.... 8W-30-14, 38, 39
A/C High Pressure Switch.......... 8W-30-14, 39
A/C Low Pressure Switch.......... 8W-30-14, 39
A/C-Heater Control............... 8W-30-14, 39
Accelerator Pedal Position Sensor....... 8W-30-30
Airbag Control Module............ 8W-30-15, 40
Automatic Shut Down Relay..... 8W-30-3, 17, 18,
19, 22, 23, 24, 25, 26, 27, 28
Battery........................... 8W-30-35
Battery Temperature Sensor............ 8W-30-4
Brake Lamp Switch.............. 8W-30-8, 7, 37
Camshaft Position Sensor........... 8W-30-5, 32
Capacitor......................... 8W-30-28
Central Timer Module............. 8W-30-15, 40
Clockspring...................... 8W-30-7, 34
Controller Antilock Brake.... 8W-30-13, 15, 38, 40
Crankshaft Position Sensor............ 8W-30-13
Cummins Bus...................... 8W-30-29
Data Link Connector...... 8W-30-2, 15, 16, 40, 41
Daytime Running Lamp Module........ 8W-30-38
Engine Control Module . . 8W-30-3, 7, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, 41
Engine Coolant Temperature Sensor . . . 8W-30-9, 34
Engine Oil Pressure Sensor......... 8W-30-13, 33
EVAP/Purge Solenoid................ 8W-30-13
Fuel Heater........................ 8W-30-36
Fuel Heater Relay................... 8W-30-36
Fuel Injection Pump.............. 8W-30-31, 37
Fuel Injector No. 1............... 8W-30-23, 26
Fuel Injector No. 2............... 8W-30-24, 27
Fuel Injector No. 3............... 8W-30-23, 26
Fuel Injector No. 4............... 8W-30-24, 27
Fuel Injector No. 5............... 8W-30-23, 26
Fuel Injector No. 6............... 8W-30-24, 27
Fuel Injector No. 7............... 8W-30-23, 26
Fuel Injector No. 8............... 8W-30-24, 27
Fuel Injector No. 9.................. 8W-30-26
Fuel Injector No. 10................. 8W-30-27
Fuel Pump Module.................. 8W-30-12
Fuel Pump Relay......... 8W-30-3, 11, 12, 31, 37
Fuel Tank Module................... 8W-30-42
Fuel Transfer Pump................. 8W-30-34
Fuse 3 (PDC)............... 8W-30-2, 11, 29, 37
Fuse 6 (PDC)....................... 8W-30-3
Fuse 7 (PDC)...................... 8W-30-36
Fuse 9 (JB)................. 8W-30-2, 3, 11, 36
Fuse 11 (JB)................. 8W-30-13, 36, 39
Fuse 12 (JB).................... 8W-30-16, 41
Fuse K (PDC)........... 8W-30-17, 18, 19, 20, 22
Fusible Link....................... 8W-30-35
G100............................. 8W-30-12
G102.......................... 8W-30-36, 37Component Page
G105..................... 8W-30-2, 16, 20, 21
G107.......................... 8W-30-34, 36
G113 .......................... 8W-30-14, 34
G200.......................... 8W-30-16, 37
Generator...................... 8W-30-13, 38
Idle Air Control Motor................ 8W-30-9
Ignition Coil....................... 8W-30-25
Ignition Coil 4 Pack................. 8W-30-28
Ignition Coil 6 Pack................. 8W-30-28
Instrument Cluster............ 8W-30-15, 34, 40
Intake Air Heater................... 8W-30-35
Intake Air Heater Relay No. 1......... 8W-30-35
Intake Air Heater Relay No. 2......... 8W-30-35
Intake Air Temperature Sensor...... 8W-30-10, 32
Joint Connector No. 1....... 8W-30-4, 7, 8, 12, 36,
37, 38, 42
Joint Connector No. 2 . . . 8W-30-2, 3, 11, 17, 18, 19,
22, 23, 24, 25, 26, 27, 28, 29, 35, 37
Joint Connector No. 5............. 8W-30-16, 41
Joint Connector No. 7............. 8W-30-15, 40
Junction Block . . . 8W-30-2, 3, 11, 13, 16, 36, 39, 41
Leak Detection Pump................. 8W-30-8
Left Speed Control Switch............. 8W-30-7
Manifold Absolute Pressure Sensor . . . 8W-30-10, 33
Output Speed Sensor................. 8W-30-5
Overdrive Switch.................... 8W-30-6
Overhead Console................ 8W-30-15, 40
Oxygen Sensor 1/1 Left Bank Up.... 8W-30-18, 20,
21, 22
Oxygen Sensor 1/1 Upstream.......... 8W-30-17
Oxygen Sensor 1/2 Downstream........ 8W-30-17
Oxygen Sensor 1/2 Left Bank Down..... 8W-30-20
Oxygen Sensor 1/2 Pre- Catalyst........ 8W-30-21
Oxygen Sensor 1/3 Post- Catalyst....... 8W-30-21
Oxygen Sensor 2/1 Right Bank Up . . . 8W-30-18, 20,
21, 22
Oxygen Sensor 2/2 Right Bank Down.... 8W-30-20
Oxygen Sensor Downstream Relay . . . 8W-30-19, 21
Park/Neutral Position Switch....... 8W-30-13, 38
Power Distribution Center . . 8W-30-2, 3, 11, 17, 18,
19, 22, 23, 24, 25, 26, 27, 28, 29, 36, 37
Powertrain Control Module . . 8W-30-2, 3, 4, 5, 6, 7,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28, 36, 37, 38, 39, 40, 41, 42
PTO Switch..................... 8W-30-14, 34
Radio.......................... 8W-30-15, 40
Right Speed Control Switch............ 8W-30-7
Speed Control Servo.................. 8W-30-5
Throttle Position Sensor.............. 8W-30-14
Transmission Control Relay............ 8W-30-5
Transmission Solenoid Assembly . . . 8W-30-6, 14, 39
Water In Fuel Sensor................ 8W-30-34
BR/BE8W-30 FUEL/IGNITION SYSTEM 8W - 30 - 1