Test No. 12: Door Courtesy Switch Circuit: Testing
- Check operation of door courtesy switch for appropriate door. See appropriate ANTI-THEFT SYSTEMS article. If door courtesy switch operates properly, go to next step. If door courtesy switch is defective, replace door courtesy switch.
- Check for faulty connectors and wiring between door courtesy switch, courtesy lights and body Electronic Control Unit (ECU). See WIRING DIAGRAMS .
- Repair connectors or wiring as necessary. If connectors and wiring are okay, go to next test listed. See appropriate TROUBLE SHOOTING SYMPTOMS table under TROUBLE SHOOTING.