Headlamps Will Not Turn Off

Test 270 - 274:

SYMPTOM
* HEADLAMPS WILL NOT TURN OFF

POSSIBLE CAUSES
- No response (BCM)/CCD bus failure
- Headlamp switch output circuit short-voltage
- Headlamp delay relay defective-contacts closed
- Junction block defective-delay control conn shorted
- BCM defective (relay control circuit function) by default