9B–6 LIGHTING SYSTEMS
DAEWOO M-150 BL2
REAR FOG LAMP
Diagnostic Aids: The rear fog lamp will not operate unless the headlamps are ON. If the headlamps are not operat-
ing, repair that problem before attempting to diagnose the rear fog lamp.
Condition Probable Cause Correction
Rear Fog Lamp
Does Not Work.
D The open circuit or a short circuit
between the terminal 87 of the
headlamp relay and terminal 15,30
of the rear fog lamp relay.
D Repair or Replace the wiring
harness.
D Faulty rear fog lamp relay. D Replace the rear fog lamp relay.
D The open circuit or a short circuit
between the terminal 87 of the
rear fog lamp relay and terminal 6
of the rear fog lamp connector.
D Repair or Replace the wiring
harness.
D The open circuit or a short circuit
between the terminal E of the rear
fog lamp relay and terminal 6 of
the rear fog lamp switch.
D Repair or Replace the wiring
harness.
D Faulty rear fog lamp switch. D Replace the rear fog lamp switch.
D The open grounds (G201, G401)
circuits.
D Repair or Replace the open
ground circuit.
D Rear fog lamp bulb is blown. D Replace the rear fog lamp bulb.