Noise Compensated Volume 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.
Noise Compensated Volume Inoperative
| Step | Action | Value | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics Connector Reference: Entertainment Connector End Views |
||||
| 1 | Did you perform the Entertainment 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 |
|
8 V | Go to Step 4 | Go to Step 5 |
| 4 | Replace the noise compensation microphone. Refer to Microphone Replacement - Radio Volume Compensator Interior . Did you complete the replacement? |
- | Go to Step 9 | - |
| 5 | Test the noise compensation microphone supply voltage circuit for an open or short. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 6 |
| 6 | Test the drain wire circuit for an open or short. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 7 |
| 7 | Inspect for poor connections at the amplifier. 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 9 | Go to Step 8 |
| 8 | Replace the amplifier. Refer to Amplifier Replacement (Bravada, Envoy, TrailBlazer) Amplifier Replacement (Envoy XL, TrailBlazer EXT) Amplifier Replacement (Envoy XUV) . Did you complete the repair? |
- | Go to Step 9 | - |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 3 |