For 1990-2009 cars

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

1. Disconnect the radio connector.
2. Turn the headlamp switch to the PARK position.
3. Turn the illumination controller to LO (low intensity).
4. Connect a J 39200 from the radio connector cavity 3 to ground.
5. Measure the resistance.

Is the resistance above the specified value?

1 ohms

Go to Step 3

Go to Step 4

3 | Repair the radio. Refer to Radio Replacement . Is the repair complete? | -- | Go to Radio/Audio System Check | --
4 |

1. Disconnect the radio connector.
2. Turn the headlamp switch to the PARK position.
3. Turn the illumination controller to LO (low intensity).
4. Connect a J 39200 from the radio connector cavity 3 to ground.
5. Measure the resistance.

Is the resistance below the specified value?

0.5 ohms

Go to Step 5

Go to Radio/Audio System Check

5 | Repair the short to ground in the RED/GRN wire between the radio and illumination controller. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | --