Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the radio/audio system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the radio display and/or buttons do not illuminate. Do the radio display and buttons illuminate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 4 |
4 | Using a testlamp connected to ground, backprobe the BCM connector C2 cavity A12. Does the test lamp light? | -- | Go to Step 7 | Go to Step 6 |
5 | Service the radio. Refer to Radio Replacement . Is the service of the radio complete? | -- | Go to Step 8 | -- |
6 | Diagnose the body control module (BCM). Refer to Diagnostic System Check - Body Control System in Body Control System. Is the repair complete? | -- | Go to Step 8 | -- |
7 | Locate and repair open in CKT 1382 (PPL/WHT) between the radio and the body control module (BCM). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
