Fog Lamps Always On
Fog Lamps Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Fog Lights Schematics (Domestic) or Fog Lights Schematics (Export) Connector End View Reference: Master Electrical Component List in Wiring Systems. |
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| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 | Remove the fog lamp relay. Are the fog lamps illuminated? |
Go to Step 7 | Go to Step 4 |
| 4 | Using a test lamp connected to ground, probe the control circuit of the fog lamp relay connector. Does the test lamp illuminate? |
Go to Step 5 | Go to Step 10 |
| 5 |
|
Go to Step 6 | Go to Step 9 |
| 6 | Test the fog lamp relay control circuit for a short to battery positive voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 8 |
| 7 | Test the fog lamp supply voltage circuit for a short to battery positive voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 8 |
| 8 | Replace the fuse block - underhood. Refer to Underhood Electrical Center or Junction Block Replacement
in Wiring Systems. Is the repair complete? |
Go to Step 11 | - |
| 9 | Replace the fog lamp switch. Refer to Instrument Panel (I/P) Multifunction Switch Assembly Replacement
in Instrument Panel, Gages, and Console. Did you complete the replacement? |
Go to Step 11 | - |
| 10 | Replace the fog lamp relay. Refer to Relay Replacement (Within an Electrical Center)
or Relay Replacement (Attached to Wire Harness)
in Wiring Systems. Is the repair complete? |
Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |