Important: The following information lists the most probable cause of the concern to the least probable cause. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with replacement. Refer to Testing for Intermittent Conditions and Poor Connections .
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 |
Is the lowest audible setting too loud? | -- | Go to Step 2 | System OK |
2 | Compare the volume to a similar vehicle with the same audio system. Are both vehicles the same? | -- | System OK | Go to Step 5 |
3 | Test the amplifier sense signal circuit for an open or high resistance. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 4 |
4 |
Does the scan tool indicate that the audio amplifier is present? | -- | Go to Step 8 | Go to Step 5 |
5 | Inspect for poor connections at the harness connector of the radio. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 7 |
6 | Inspect for poor connections at the harness connector of the audio amplifier. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 8 |
7 | Replace the radio. Did you complete the replacement? | -- | Go to Step 9 | -- |
8 | Replace the audio amplifier. Did you complete the replacement? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |