GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

The inside rearview mirror reading lamps stay on during the following conditions:

    • All doors closed
    • IP dimmer switch off
    • Inside rearview mirror reading lamp switches off
    • None of the interior lighting modes activated.

The inadvertent load (battery rundown) protection turns off the inside rearview mirror reading lamps after 20 minutes.

1

Was the Interior Lights System Check performed?

--

Go to Step 2

Refer to Interior Lamps System Check

2

Was the BCM Diagnostic System Check performed

--

Go to Step 3

Refer to Diagnostic System Check - Body Control System

3

  1. Close all the vehicle doors.
  2. Turn the IP dimmer switch OFF.
  3. Turn the ignition switch to RUN.
  4. Turn the switches on the inside rearview mirror reading lamps on and off.

Do the lights turn off?

--

Go to Step 4

Go to Step 5

4

The malfunction is not present.

Has the repair been made?

--

Go to Step 6

--

5

Replace the inside rearview mirror reading lamps assembly.

Has the repair been made?

--

Go to Step 6

--

6

  1. Turn the ignition switch to LOCK.
  2. Reinstall the connectors/components that were removed.

Have all the repairs been made?

--

Refer to Interior Lamps System Check

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