All Retained Accessory Power, RAP functions on this vehicle are controlled by the Body Control Module, BCM using Class 2 serial data. If Class 2 communication between the Radio, BCM and Data Link Connector is functioning properly, and the door ajar switches are working properly, replace the BCM.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Retained Accessory Power (RAP) Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. | |||
1 | Did you perform a Diagnostic System Check - Retained Accessory Power? | Go to Step 2 | |
2 | Did you perform a Diagnostic System Check - Radio/Audio System? | Go to Step 3 | |
3 | Verify that the doors are closed and perform the following:
Do the RAP functions operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 4 |
4 |
Does the switch input indicate Open? | Go to Step 5 | Go to Interior Lights Schematics in Lighting. |
5 |
Important:: Perform the set up procedure for the control module after replacement if needed. Replace the Body Control Module. Refer to Body Control Module Replacement . Did you complete the replacement? | System OK | -- |