For 1990-2009 cars

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

1. Turn the ignition switch to the LOCK position.
2. Disconnect the radio connector.
3. Connect a J 39200 digital multimeter from the radio connector cavity 11 to ground.
4. Measure the voltage.

Does the multimeter read the approximate battery voltage?

--

Go to Step 3

Go to Step 4

3 |

1. Connect a J 39200 digital multimeter from the radio connector cavity 11 to cavity 9.
2. Measure the voltage.

Does the multimeter read the approximate battery voltage?

--

Go to Step 5

Go to Step 6

4 |

1. Inspect for an open in WHT wire between the junction block and the radio.
2. If the wire is OK, replace the junction block.

Is the repair complete?

--

Go to Radio/Audio System Check

--

5 |

1. Connect a J 39200 digital multimeter from the radio connector cavity 4 to cavity 9.
2. Measure the voltage.

Does the multimeter read the approximate battery voltage?

--

Go to Step 7

Go to Step 8

6 |

1. Inspect for an open in BLK wire between the radio and ground G202.
2. If the wire is OK, remove the radio for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

--

7 |

1. Inspect the radio connector for terminals shorted together.
2. If the terminals are OK, remove the radio for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

--

8 |

1. Inspect for an open in the WHT/BLK wire between the junction block and the radio.
2. If the wire is OK, remove the radio for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

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