Auto Headlamps and or Fog Lamps Not Operating Properly

Tests 1 - 2:

Tests 3 - 7:

Tests 8 - 12:

SYMPTOM
AUTO HEADLAMPS AND OR FOG LAMPS NOT OPERATING PROPERLY

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