For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you review the Radio/Audio System Operation? | -- | Go to Step 2 | Go to Radio/Audio System Operation
2 |

1. Turn ON the ignition, with the engine OFF.
2. Turn ON the radio.
3. Insert the tape or CD from the J 39916-A Speaker Diagnostic Kit.

Can audio distortion be heard from any speakers?

--

Go to Step 3

Go to Audio System Troubleshooting Hints

3 | Can audio distortion be heard from all speakers? | -- | Go to Step 4 | Go to Step 5
4 | Is the vehicle equipped with an amplifier? | -- | Go to Step 6 | Go to Audio System Troubleshooting Hints
5 | Test the appropriate speaker outputs from the radio for a short to ground or a short to voltage. 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
6 | Test the appropriate speaker outputs from the amplifier (terminals B9, B10, B11, and B12) for a short to ground or a short to voltage. 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 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 9 | Go to Step 8
8 | Replace the speaker. Refer to Radio Front Side Door Lower Speaker Replacement or Front Upper Speaker Replacement or Radio Rear Speaker Replacement for service procedure. 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 Audio System Troubleshooting Hints