Fog/Driving Lamp: Description and Operation

System Description

Power is supplied at all times to front fog lamp relay terminal 3 through
- 7.5 A fuse (No.38, located in the fuse and fusible link box).

With the lighting switch in headlamp ON (2ND) position, LOW BEAM (B) position, power is supplied
- from headlamp control unit terminal 3
- to front fog lamp relay terminal 2.

FOG LAMP OPERATION
The lighting switch must be in headlamp ON (2ND) position and LOW BEAM (B) position for front fog lamp operation.

With the front fog lamp switch in the ON position, ground is supplied
- to front fog lamp relay terminal 1
- through the front fog lamp switch terminal 2
- to body grounds E3, E30 and E50.

The front fog lamp relay is energized and power is supplied
- from front fog lamp relay terminal 5
- to fog lamp switch terminal 5 (fog lamp switch indicator) and
- to terminal 1 of each front fog lamp.
Ground is supplied to terminal 2 of each front fog lamp through body grounds E3, E30 and E50.
With power and ground supplied, the front fog lamps illuminate.