Operation CHARM: Car repair manuals for everyone.

Front Fog Lamp Control

FRONT FOG LAMP CONTROL
The body controller controls the operation of the front fog lamp relay which controls the front fog lamps. The front fog lamps can only be on if the park or low beam headlamps are on. If the high beams are on, the front fog lamps will not be able to engage. On Daytime Running Lamps (DRL) equipped vehicles, when the park lamps are on, the DRL high beams may also be on. In that case, the front fog lamps may be turned on. Also on DRL vehicles, if the low beams are on, the DRL is off and fog lamps are allowed.