Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
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 (DLC) is functioning properly, and the door ajar switches are working properly, replace the BCM.
Retained Accessory Power (RAP) On After Timeout
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Retained Accessory Power (RAP) Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. DEFINITION: The radio operates after the ignition has been OFF for 10 minutes. |
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| 1 | Did you perform the Diagnostic System Check - Retained Accessory Power? | Go to Step 2 | Go to Diagnostic System Check - Retained Accessory Power |
| 2 | Did you perform the Diagnostic System Check - Radio/Audio System? | Go to Step 3 | Go to Diagnostic System Check - Radio/Audio System in Entertainment |
| 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 |
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Go to Step 5 | Go to Interior Lights Schematics in Lighting Systems |
| 5 |
IMPORTANT:
Perform the setup 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 | - |