Front Fog Lights Malfunctioning
Front Fog Lights Malfunctioning:
Fault symptoms
Fog lights not working, on one or both sides.
Diagnostic help
Check fuse 2 in the engine bay and fuse 30 in the cabin.
The following values can be read with the diagnostic tool:
- Front fog light switch
The following functions can be activated with the diagnostic tool:
- Front fog light relay
Check that the headlamps are functioning correctly. The fog lights are dependent on the main light switch and program alternative.
Check the wiring harness
Jiggle the wiring harness in several places and in various directions to detect intermittent open circuits and short circuits in the wiring harness. Watch the multimeter, diagnostic tool and test lamp during the check.