Steering Wheel Controls Inoperative
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. 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 Connector End Views Reference: Entertainment Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Operate all of the steering wheel controls. Do all of the steering wheel controls operate properly? |
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Test the radio on signal circuit for a short to ground or open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 4 |
| 4 |
CAUTION:
When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling and Enabling Zones. Failure to observe the correct procedure could cause deployment of the SIR components, personal injury, or unnecessary SIR system repairs.
|
Volume Up: 1.2K Ω Volume Down: 1.56K Ω Mode: 1.9K Ω Mute: 2.38K Ω Seek Up: 3.1K Ω Seek Down: 4.28K Ω Seek Type: 6.65K Ω Pre-Set: 13.6K Ω |
Go to Step 5 | Go to Step 7 |
| 5 | Test the steering wheel controls signal circuit for a short, 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 10 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connector of the radio. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 9 |
| 7 | Inspect for poor connections at the harness connector of the steering wheel radio 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 10 | Go to Step 8 |
| 8 | Replace the appropriate steering wheel radio control. Refer to Steering Wheel Control Switch Assembly Replacement
. Did you complete the replacement? |
- | Go to Step 10 | - |
| 9 | Replace the radio. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |