Test No. 2
- Remove security light. Measure voltage at Blue/Red wire terminal of security light connector. If battery voltage is not present, repair wiring between ROOM fuse and CPU No. 2.
- If battery voltage is present, check continuity between security light connector terminals. If there is no continuity, replace security light.
- If there is continuity, check continuity between Violet/Green wire terminal of security light connector and terminal 1R (Violet/Green wire) of CPU No. 2 (20-pin connector). SeeFigure . If there is no continuity, repair wiring between security light and CPU No. 2. If there is continuity, replace CPU No. 2.