Speakers Inoperative - One or More
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Speakers Inoperative - One or More
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics | ||||
| 1 | Did you perform the Radio/Audio System Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Radio/Audio System |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Are all of the speakers inoperative? | - | Go to Step 9 | Go to Step 4 |
| 4 | Do both sub -woofer amplified speakers operate properly? | - | Go to Step 5 | Go to Step 11 |
| 5 | Are all of the non -amplified speakers inoperative? | - | Go to Step 10 | Go to Step 6 |
| 6 | Test the low level audio signal circuits 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 30 | Go to Step 7 |
| 7 |
|
- | Go to Step 21 | Go to Step 8 |
| 8 | Test the appropriate non -amplified speaker output circuits of the radio 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 30 | Go to Step 20 |
| 9 |
|
- | Go to Step 30 | Go to Step 21 |
| 10 | Test all non -amplified speaker output circuits of the radio for a short to voltage or a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 30 | Go to Step 21 |
| 11 | Are both sub -woofer amplified speakers inoperative? | - | Go to Step 12 | Go to Step 15 |
| 12 |
|
- | Go to Step 30 | Go to Step 13 |
| 13 | Test the ground circuit of the Bose relay 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 30 | Go to Step 14 |
| 14 |
|
- | Go to Step 24 | Go to Step 23 |
| 15 |
|
- | Go to Step 30 | Go to Step 16 |
| 16 | Test the ground circuits of the appropriate sub -woofer 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 30 | Go to Step 17 |
| 17 |
|
0.20 V AC | Go to Step 22 | Go to Step 18 |
| 18 | Test the low level audio signal circuits of the appropriate sub -woofer amplifier for an open, a short to ground, or for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 30 | Go to Step 19 |
| 19 |
|
- | Go to Step 30 | Go to Step 23 |
| 20 | Inspect for poor connections at the harness connector of the speaker. 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 30 | Go to Step 25 |
| 21 | 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 30 | Go to Step 26 |
| 22 | Inspect for poor connections at the harness connector of the appropriate sub -woofer. 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 30 | Go to Step 27 |
| 23 | Inspect for poor connections at the harness connector of the Bose signal processor. 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 30 | Go to Step 28 |
| 24 | Inspect for poor connections at the harness connector of the Bose relay. 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 30 | Go to Step 29 |
| 25 | Replace the speaker. Refer to Speaker Replacement - Front or Speaker Replacement - Rear (Coupe) or Speaker Replacement - Rear (Convertible) or Speaker Replacement - Rear (Hardtop) . Did you complete the replacement? |
- | Go to Step 30 | - |
| 26 | Replace the radio. Refer to Radio Replacement . Did you complete the repair? |
- | Go to Step 30 | - |
| 27 | Replace the appropriate sub -woofer amplifier. Refer to Speaker Replacement - Front . Did you complete the replacement? |
- | Go to Step 30 | - |
| 28 | Replace the Bose signal processor. Refer to Bose Module Replacement . Did you complete the replacement? |
- | Go to Step 30 | - |
| 29 | Replace the Bose relay. Did you complete the replacement? |
- | Go to Step 30 | - |
| 30 | Operate the system in order to verify the repair. Did you find and correct the condition? |
- | System OK | Go to Step 2 |