For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Visually inspect the 10 Amp FOG LPS fuse for an open. Is fuse open? | -- | Go to Step 3 | Go to Step 5
3 | Test the fuse output-battery circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and repair the condition? | -- | System OK | Go to Step 4
4 | Test the fog lamp feed circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and repair the condition? | -- | System OK | --
5 | With the headlamps and the fog lamp switch in the ON position, test the fuse output-battery circuit and the Fog Lamp Switch Output circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and repair the condition? | -- | System OK | Go to Step 6
6 | Test the fog lamp feed circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and repair the condition? | -- | System OK | --