Circuit/System Verification
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Note that the BCM receives a single input for all rear door open switches.
- Ignition ON, observe the scan tool parameters in the modules listed below while opening and closing each vehicle door. The reading should change appropriately between Door Closed/Door Ajar or Active/Inactive for the door ajar switches, and between Closed/Open or Active/Inactive for the door open switches.
BCM
- Left Rear Door Ajar Sw.
- Right Rear Door Ajar Sw.
- Passenger Door Open Sw. (For all rear doors)
Driver Door Switch
- Driver Door Ajar Sw.
- Driver Door Open Sw.
Passenger Door Switch
- Passenger Door Ajar Sw.
- Passenger Door Open Sw. (for front passenger door only)
- If any Open Switch parameter does not change as specified, refer to Symptoms - Lighting Systems for a courtesy lamp malfunction.
- If any Ajar Switch parameter does not change as specified, refer to SYMPTOMS - DISPLAYS AND GAGES for a door ajar indicator malfunction.
- Command the scan tool Accy/RAP Relay OFF. Attempt to operate any RAP relay controlled component within 5 seconds. The component should not operate.
- If the component does operate, refer to Circuit/System Testing .
- Command the scan tool Accy/RAP Relay ON. Attempt to operate any RAP relay controlled component within 5 seconds. The component should operate.
- If the component does operate, refer to Circuit/System Testing .
- Ignition ON, all doors closed. Observe the scan tool parameter Accy/RAP Relay Command. Ignition OFF, key removed, the reading should be ON for approximately 10 minutes then change to OFF.
- If the parameter does not respond as specified, replace the BCM.
- If all the above tests were normal and the radio is the only RAP concern, replace the radio.