Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Radio/Audio System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Adjust the volume to the lowest setting that can be heard. Is the lowest setting too loud ? | -- | Go to Step 3 | |
3 |
Does the scan tool indicate that the audio power booster is not present? | -- | Go to Step 5 | Go to Step 4 |
4 | Compare the volume to a similar vehicle with the same audio system. Are both vehicles the same? | -- | System OK | Go to Step 7 |
5 | Test the gain control signal circuit for an open or high resistance. Refer to Circuit Testing in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 6 |
6 |
Does the scan tool indicate that the audio power amplifier is present? | -- | Go to Step 8 | 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 11 | Go to Step 9 |
8 | Inspect for poor connections at the harness connector of the audio power 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 11 | Go to Step 10 |
9 | Replace the radio and perform the set up procedure for the radio. Refer to Radio Replacement and Radio Setup for service procedures. Did you complete the replacement? | -- | Go to Step 11 | -- |
10 | Replace the audio power amplifier. Refer to Radio Speaker Amplifier Replacement for service procedure. Did you complete the replacement? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |