Radio Display Inoperative, No Sound from Speakers
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Radio Display Inoperative, No Sound from Speakers
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics | |||
| 1 | Did you review the Radio/Audio System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Radio/Audio System Description and Operation |
| 2 |
|
Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 9 | Go to Step 4 |
| 4 | Test the battery positive voltage circuit of the radio for a short to ground or an open. Refer to CIRCUIT TESTING
and WIRING REPAIRS
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 5 |
| 5 | Test the ground circuit of the radio for 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 9 | Go to Step 6 |
| 6 | Test the radio on signal circuit of the radio for a short to ground or an open. 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 harness connector of the radio. 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 radio. Refer to Radio Replacement . Did you complete the replacement? |
Go to Step 9 | - |
| 9 | Operate the system in order to verify the repair. Did you complete the repair? |
System OK | Go to Step 2 |