Noise Compensated Volume Inoperative
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 (Base/Uplevel Radio - UQ3/UQ5) Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91) Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) | ||||
| 1 | Did you perform the Diagnostic System Check - Entertainment System? | - | 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 . 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 |