GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn the ignition switch to the ON position.
  2. Turn the headlamp switch to the INTERIOR LAMPS ON position.

All interior lamps operate properly.

Interior Lamps Inoperative - All

2

  1. Turn the ignition switch to the ON position.
  2. Open the I/P compartment.

The I/P compartment lamp turns ON.

Instrument Panel Compartment Lamp Inoperative

3

  1. Turn the ignition switch to the ON position.
  2. Activate the LH and RH sunshade illuminated mirror lamp switches.

The LH and RH sunshade illuminated mirror lamps turn ON.

Vanity Mirror Lamp Inoperative

4

  1. Turn the ignition switch to the ON position.
  2. Turn the headlamp switch to the INTERIOR LAMPS ON position.

The dome lamp turns ON.

Courtesy or Dome Lamps Inoperative

5

  1. Turn the ignition switch to the ON position.
  2. Activate the LH and RH reading lamp switches.

The LH and RH reading lamps turn ON.

Courtesy/Reading Lamps Inoperative

6

Turn the ignition switch to the ON position.

The LH and RH front side door lock switch lamps turn ON.

Window Switch Lamp Inoperative

7

  1. Turn the ignition switch to the ON position.
  2. Turn the headlamp switch to the INTERIOR LAMPS ON position.

The LH and RH front side door courtesy lamps turn ON.

Courtesy Lamps Inoperative

8

  1. Turn the ignition switch to the ON position.
  2. Open the LH and RH rear side door.

The LH and RH rear side door courtesy lamps turn ON.

Courtesy Lamps Inoperative

9

  1. Turn the ignition switch to the ON position.
  2. Activate the LH and RH roof rail courtesy lamp switches.

The LH and RH roof rail courtesy lamps turn ON.

Courtesy Lamps Inoperative

10

Use the rear compartment lid release switch to open the rear compartment.

The rear compartment courtesy lamp turns ON.

Rear Compartment Lamp Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.