CONDITION POSSIBLE CAUSES CORRECTION
FOG LAMPS DO NOT
ILLUMINATE
1. Blown fuse for fog lamps. 1. Replace fuse, refer to Group 8W, Wiring
Diagrams.
2. No Z1-ground at fog lamps. 2. Repair circuit ground, refer to Group
8W, Wiring Diagrams.
3. Faulty fog lamp switch. 3. Replace headlamp switch.
4. Broken connector terminal or wire
splice in fog lamp circuit.
4. Repair connector terminal or wire splice.
5. Broken connection between BCM
and fog lamp relay.
5. Test relay connectors in the Junction
Block and the circuit to BCM. Repair as
necessary.
6. Faulty fog lamp relay. 6. Replace relay.
7. Faulty Body Control Module. 7. Replace Body Control Module.
LH LAMPS 8L - 7
DIAGNOSIS AND TESTING (Continued)
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