For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
DEFINITION: The windshield header courtesy/reading lamps stay illuminated when all of the following conditions exist:

• | All of the doors are closed.

• | The instrument panel (IP) dimmer switch is off.

• | The windshield header courtesy/reading lamp switches are off.

• | The interior lamps override switch is on (the interior lights are enabled).

• | None of the interior lighting modes are activated.

The inadvertent load (battery rundown) protection turns off the windshield header courtesy/reading lamps after 10 minutes. This action will occur after 3 minutes on vehicles with less than 24 accumulated km (15 miles).

1 | Did you perform the Interior Lights System Check? | -- | Go to Step 2 | Go to Interior Lamps System Check
2 |

1. Close all of the doors.
2. Turn off the IP dimmer switch.
3. Turn the ignition switch to the RUN position.
4. Cycle the switches for the windshield header courtesy/reading lamps between the ON position and the OFF position.

Do the windshield header courtesy/reading lamps turn OFF?

--

Go to Step 4

Go to Step 3

3 | Replace the windshield header courtesy/reading lamps assembly. Refer to Reading Lamp Bulb Replacement - Overhead Console . Did you complete the repair? | -- | Go to Step 4 | --
4 |

1. Turn the ignition switch to the LOCK position.
2. Reinstall the connectors/components previously removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Turn the ignition switch to the LOCK position.
5. Remove the BCM PRGRM fuse.
6. Turn the ignition switch to the ACC position.

The BCM sounds the chime a number of times equivalent to the BCM type installed on the vehicle.

7. Within 1 second, turn the ignition switch from the ACC position to the LOCK position, then back to the ACC position.

The BCM sounds any DTCs stored.

Are there any BCM DTCs present?

--

Go to Diagnostic System Check - Body Control System in Body Control System

Go to Interior Lamps System Check