Audio Distortion - One or More Speakers
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.
Audio Distortion - One or More Speakers
| Step | Action | 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) or Video System Schematics Connector End View Reference: Entertainment Connector End Views DEFINITION: This table is used for vehicles equipped with an audio amplifier. |
|||
| 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 Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 | Test the appropriate speaker output circuits between the radio and the audio amplifier for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 4 |
| 4 | Is the vehicle equipped with Rear Seat Entertainment (U32) ? | Go to Step 5 | Go to Step 6 |
| 5 | Test the video entertainment circuits: remote playback device left and right audio circuits and the remote playback device common audio circuit for an open, short to ground or a short to B+. Refer to Circuit Testing
andWiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connector of the speaker. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 7 |
| 7 | Replace the speaker. Refer to Speaker Replacement Reference Did you complete the replacement? |
Go to Step 8 | - |
| 8 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | - |