Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Are the fog lamps off? | Go to Step 3 | Go to Step 4 |
3 |
Are the fog lamps off? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 8 |
4 | Remove the fog lamp relay. Do the fog lamps turn off? | Go to Step 5 | Go to Step 7 |
5 | Connect a test lamp between the coil side feed and the control circuit of the fog lamp relay. Does the test lamp illuminate? | Go to Step 6 | Go to Step 10 |
6 | Test for a short to ground in the control circuit of the fog lamp relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 9 |
7 | Test for a short to battery voltage in the fog lamp supply voltage circuit and the fog lamp indicator supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
8 | Repair a short to ground in the fog lamp enable circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Has the repair been made? | Go to Step 12 | -- |
9 | Replace the fog lamp switch. Refer to Instrument Panel Multifunction Switch Assembly Replacement in Instrument Cluster, Gages, and Console. Has the repair been made? | Go to Step 12 | -- |
10 | Replace the fog lamp relay. Refer to Relay Replacement in Wiring Systems. Has the repair been made? | Go to Step 12 | -- |
11 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems. Has the repair been made? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
