Test No. 10
- Disconnect 20-pin connector from CPU No. 2. SeeFigure . Connect continuity tester between ground and terminal 1N (Light Green/Black wire) of CPU No. 2 (20-pin connector). Lock passenger door, and unlock driver door. If there is continuity, replace CPU No. 2. If there is no continuity, lock driver door and unlock passenger door. If there is no continuity, go to next step 2). If there is continuity, replace CPU No. 2.
- Disconnect driver door key cylinder switch connector. Check continuity between ground and Black wire terminal of driver door key cylinder switch connector. If there is no continuity, repair wiring between driver door key cylinder switch and ground.
- If there is continuity, disconnect passenger door key cylinder switch connector. Check continuity between ground and Black wire terminal of passenger door key cylinder switch connector. If there is no continuity, repair wiring between passenger door key cylinder switch and ground.
- If there is continuity, check continuity between terminals of both door key cylinder switches with cylinder held in unlocked position. If there is continuity, repair wiring between CPU No. 2 and door key cylinder switch. If there is no continuity, replace appropriate door key cylinder switch.