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 PARK position.
  3. Turn the fog lamps ON.
    • Both of the fog lamps illuminate.
    • The fog lamp indicator illuminates.

2

  1. Turn the ignition switch to the ON position.
  2. Turn the headlamp switch to the PARK position.
  3. Turn the fog lamps ON.
    • Both of the fog lamps illuminate.
    • The fog lamp indicator illuminates.

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