Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Fog Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views  | |||
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | |
2  | Verify that the front fog lamps are always ON. Do the front fog lamps operate normally?  | Go to Testing for Intermittent Conditions and Poor Connections  | Go to Step 3  | 
3  | Remove the FOG LAMP fuse in the underhood fuse block. Do the front fog lamps turn OFF?  | Go to Step 4  | Go to Step 7  | 
4  | 
 Was a ground signal found?  | Go to Step 5  | Go to Step 9  | 
5  | Test the front fog lamp relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | Go to Step 10  | Go to Step 6  | 
6  | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?  | Go to Step 10  | Go to Step 8  | 
7  | Repair the short to voltage in the front fog lamp supply voltage circuit. Refer to Wiring Repairs . Did you complete the repair?  | Go to Step 10  | --  | 
8  | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?  | Go to Step 10  | --  | 
9  | Replace the fog lamp relay. Refer to Relay Replacement . Did you complete the repair?  | Go to Step 10  | --  | 
10  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |