Ignition Switch
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Dodge Grand Caravan, 2003 Dodge Caravan, 2003 Chrysler Voyager, 2003 Chrysler Town & Country, and 2002 Dodge Grand Caravan. However, it is still accessible from the selected car via links, so may be relevant.
- Remove ignition switch. See IGNITION SWITCH & LOCK CYLINDER under REMOVAL & INSTALLATION. Check continuity between ignition switch terminals No. 3 and 5 with ignition switch in START and RUN positions. See Fig 1. If continuity exists, go to next step. If continuity does not exist, replace ignition switch.
- Check continuity between ignition switch terminals No. 4 and 5 with ignition switch in START position. If continuity exists, go to next step. If continuity does not exist, replace ignition switch.
- Ignition switch sends multiplexed commands to Body Control Module (BCM). Use scan tool to diagnose affected system(s). For diagnosis and repair, see BODY CONTROL MODULES - CARAVAN, TOWN & COUNTRY, & VOYAGER article. For ignition switch circuit function, see IGNITION SWITCH CIRCUIT FUNCTIONS table.
IGNITION SWITCH CIRCUIT FUNCTIONS
| Terminal No. (Wire Color) | Circuit Function | ||
|---|---|---|---|
| 1 (Violet/Orange) | Ignition Sense Return | ||
| 2 (Violet/Brown) | Ignition Sense | ||
| 3 (Pink/White) (1) | Fused Ignition Switch Output (START/RUN) | ||
| 4 (Yellow) | Ignition Switch Output (START) | ||
| 5 (Light Blue/Red) | Fused Battery Voltage | ||
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