GM Service Manual Online
For 1990-2009 cars only

Step

System OK

Action

Yes

No

DEFINITION: The Dome 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 Dome 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 Dome lamps after 10 minutes.

1

Was the Lighting Systems Diagnostic System Check performed?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

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 Dome lamps between the ON position and the OFF position.

Do the Dome lamps turn OFF?

Go to Step 4

Go to Step 3

3

Replace the Dome lamps assembly.

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. Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2