Steering Wheel Controls Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Steering Wheel Controls Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics | ||||
| 1 | Did you perform the Radio/Audio System Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Entertainment System |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Do one or more of the steering wheel control switches operate properly? | - | Go to Step 8 | Go to Step 4 |
| 4 |
CAUTION:
Refer to SIR Caution
in Cautions and Notices.
|
13.6 KΩ | Go to Step 5 | Go to Step 9 |
| 5 | Test the 12-volt reference circuit for a short to ground or an open. Refer toCircuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 6 |
| 6 | Test the remote radio control signal circuit for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 10 |
| 8 | Inspect for poor connections at the harness connector of the steering wheel controls. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 9 |
| 9 | Replace the steering wheel control switch. Refer to Steering Wheel Control Switch Assembly Replacement
in Steering Wheel and Column. Did you complete the replacement? |
- | Go to Step 11 | - |
| 10 | Replace the BCM. Refer to Body Control Module Replacement
in Body Control System. Did you complete the replacement? |
- | Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |