Auto Headlamps and/or Fog Lamps Not Operating Properly

Test 1 - 2:

Test 3 - 7:

Test 8 - 12:

SYMPTOM
AUTO HEADLAMPS AND/OR FOG LAMPS NOT OPERATING PROPERLY

POSSIBLE CAUSES
- Sensor ground circuit open
- Sun sensor signal circuit open
- Sun sensor signal circuit shorted to ground
- Sun sensor signal circuit shorted to voltage
- Sun sensor shorted
- Sun sensor VTSS LED
- Body control module - auto headlamps
- Body control module sensor shorted to ground
- Body control module sun sense open
- Headlamp switch - auto fog
- Headlamp switch - auto head