Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Fog Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Did the fog lamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the scan tool indicate that the front fog lamp switch is OFF? | Go to Step 4 | Go to Step 7 |
4 | With a scan tool, observe the front fog lamp relay status in the dash integration module (DIM) Outputs data list. Does the scan tool indicate the fog lamp relay is OFF? | Go to Step 5 | Go to Step 11 |
5 |
Did the fog lamps turn OFF? | Go to Step 6 | Go to Step 15 |
6 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 14 |
7 |
Does the scan tool indicate the fog lamp switch is OFF? | Go to Step 10 | Go to Step 9 |
8 | Test for a short to ground in the fog lamp relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 11 |
9 | Test the front fog lamp switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 12 |
10 | Test the front fog lamp switch signal circuit for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 13 |
11 | Inspect for poor connections at the harness connector of the DIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 16 |
12 | Inspect for poor connections at the harness connector of the IPM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 17 |
13 | Inspect for poor connections at the harness connector of the fog lamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 18 |
14 | Inspect for poor connections at the FOG LP relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 19 |
15 | Repair the short to power in the fog lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did to complete the repair? | Go to Step 20 | -- |
16 |
Important:: Perform the setup procedure for the DIM after DIM replacement. Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 20 | -- |
17 |
Important:: Perform the setup procedure for the IPM after IPM replacement. Replace the IPM. Refer to Instrument Panel Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 20 | -- |
18 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 20 | -- |
19 | Replace the FOG LP relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
