Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Fog Lights Schematics Connector End View Reference: Master Electrical Component List DEFINITION: Use this chart if either the front or the rear fog lamp is always on. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 |
Are the fog lamps OFF? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Remove the fog lamp relay. Refer to Relay Replacement . Do the fog lamps turn OFF? | Go to Step 4 | Go to Step 5 |
4 | Probe the control circuit of the frt fog relay with a test lamp that is connected to a good ground. Does the test lamp illuminate? | Go to Step 6 | Go to Step 7 |
5 | Test the fog lamp voltage supply circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 13 | Go to Step 8 |
6 | Test the control circuit of the frt fog relay for a short to voltage. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 13 | Go to Step 9 |
7 | Inspect for poor connections at the frt fog relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 13 | Go to Step 10 |
8 | Inspect for poor connections at the fuse block - underhood. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 13 | Go to Step 11 |
9 | Inspect for poor connections at 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 13 | Go to Step 12 |
10 | Replace the frt fog relay. Refer to Relay Replacement . Did you complete the replacement? | Go to Step 13 | -- |
11 | Replace the fuse block - underhood. Refer to Underhood Electrical Center or Junction Block Replacement . Did you complete the replacement? | Go to Step 13 | -- |
12 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 13 | -- |
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
