Test No. 9
- Check Door Key Lock & Unlock Switch Operation
Check door key lock and unlock switch operation. See DOOR KEY LOCK & UNLOCK SWITCH under COMPONENT TESTS. If door key lock and unlock switch operates properly, go to next step. If door key lock and unlock switch is defective, replace door key lock and unlock switch.
- Check Door Key Lock & Unlock Switch Wiring
Check for defective harness connectors and wire between No. 8 (Blue/White wire) and No. 9 (Yellow/Blue wire) at anti-theft system Electronic Control Unit (ECU) 22-pin harness connector. Check for defective harness connectors and wire between terminal No. 2 (Blue/White wire) and terminal No. 1 (Yellow/Blue wire) at driver's door key lock and unlock switch. Check for defective harness connectors and wire in White/Black wire between terminal No. 3 at driver's door key lock and unlock switch and body ground location at mounting bolt of left junction box on kick panel and door key lock and unlock switch. See WIRING DIAGRAMS . Anti-theft system ECU is located behind glove box and uses a 12-pin and a 22-pin harness connector. See Figure.
- If harness connectors and wiring are okay, replace anti-theft system ECU. See ANTI-THEFT SYSTEM ECU under REMOVAL & INSTALLATION. Check system operation. If anti-theft system still cannot be set, go to next test listed. See TROUBLE SHOOTING SYMPTOMS under TROUBLE SHOOTING. If harness connectors or wiring are defective, repair as necessary.