For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Radio/Audio System Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Radio/Audio System
2 | Are all of the speakers inoperative? | -- | Go to Step 7 | Go to Step 3
3 | Adjust the radio balance and fade to the suspect speaker. Does the speaker operate properly? | -- | Go to Audio System Troubleshooting Hints | Go to Step 4
4 |

1. Remove the radio. Refer to Radio Replacement .
2. Use an appropriate jumper to momentarily touch a 1.5 volt battery between the appropriate speaker circuits.

Does the speaker emit an audible pop?

--

Go to Step 8

Go to Step 5

5 | Test the circuits of the appropriate speaker 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 11 | Go to Step 6
6 | Inspect for poor connections at 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 11 | Go to Step 9
7 | Test all speaker circuits for a short to B+ or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 8
8 | 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 10
9 | Replace the speaker Refer to Radio Front Speaker Replacement or Radio Rear Speaker Replacement . Did you complete the replacement? | -- | Go to Step 11 | --
10 | Replace the radio. Refer to Radio Replacement . Did you complete the repair? | -- | Go to Step 11 | --
11 | Operate the system for which the symptom occurred. Is the symptom still present? | -- | Go to Step 2 | System OK