Test No. 12
- Disconnect CPU 20-pin connector. SeeFigure . With trunk key cylinder turned to unlocked position, check continuity between ground and terminal 2J (Light Green/Red wire) of CPU 20-pin connector. If there is continuity, replace CPU.
- If there is no continuity, disconnect trunk key cylinder switch connector (if necessary, remove trim panel and trunk latch for access). With trunk key cylinder turned to unlocked position, check continuity between switch connector terminals. If there is no continuity, replace trunk key cylinder switch.
- If there is continuity, check continuity between ground and Black wire terminal of trunk key cylinder switch connector. If there is no continuity, repair wiring between trunk key cylinder switch and ground. If there is continuity, repair wiring between CPU and trunk key cylinder switch.