For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Fog Lights Schematics Connector End View Reference: Lighting Systems Connector End Views
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Verify that the fog lamp indicator is inoperative. Does the fog lamp indicator operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 | Do the fog lamps operate normally? | Go to Step 4 | Go to Symptoms - Lighting Systems
4 | Test the fog lamp indicator control circuit for a short to ground, open, or high resistance. Refer to Circuit Testing or Wiring Repairs . Did you find and correct the condition? | Go to Step 6 | Go to Step 5
5 | Replace the headlamp and panel dimmer switch. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 6 | --
6 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3