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 inoperative. Do the front fog lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Is only one front fog lamp inoperative? | Go to Step 4 | Go to Step 5 |
4 |
Did you complete the repair? | Go to Step 16 | -- |
5 | With the engine Off, turn the key to RUN and the headlamp switch to PARK. Do the park lamps illuminate? | Go to Step 6 | |
6 | Inspect the FOG LP fuse. Is the fuse open? | Go to Step 7 | Go to Step 8 |
7 | Test for a short to ground in the front fog lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct a condition? | Go to Step 16 | Go to Step 14 |
8 |
Was a ground signal present? | Go to Step 11 | Go to Step 9 |
9 | Test the front fog lamp switch signal and ground circuits for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct a condition? | Go to Step 16 | Go to Step 10 |
10 |
Was a ground signal present? | Go to Step 15 | Go to Step 12 |
11 | Test for an open or high resistance in the front fog lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct a condition? | Go to Step 16 | Go to Step 14 |
12 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 13 |
13 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 16 | -- |
14 | Replace the front fog lamp relay. Refer to Relay Replacement . Did you complete the repair? | Go to Step 16 | -- |
15 | Replace the front fog lamp switch. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |