Pinpoint Test

CHECK THE MANUAL HEADLAMP OPERATION
1. Place the headlamp switch in the headlamps on and off positions.
Do the headlamps operate correctly?
- Yes: GO to 2 .
- No: REFER to Symptom Chart: Headlamps .

CHECK FOR VOLTAGE TO THE LIGHT SENSOR

Ignition OFF.
Disconnect: Light Sensor.
Ignition ON.
Place the headlamp switch in the autolamps on position.

Measure:

Light Sensor			Ground

C286			Ground
Pin	Circuit	Measurement / Action	Pin	Circuit
2	VLF14 (BU/BN)		-	Ground

Is the voltage approximately 5 volts?

Yes: INSTALL a new light sensor. REFER to Light Sensor .
No: GO to 3 .

CHECK FOR CORRECT BCM OPERATION
1. Disconnect and inspect all BCM connectors.
2. Repair:
  - corrosion (install new connector or terminals - clean module pins)
  - damaged or bent pins - install new terminals/pins
  - pushed-out pins - install new pins as necessary
3. Reconnect the BCM connectors. Make sure they seat and latch correctly.
4. Operate the system and determine if the concern is still present.
Is the concern still present?
- Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA) , or REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) .
- No: The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.