PINPOINT TEST K : The Autolamps Are Inoperative

K1 CHECK THE MANUAL HEADLAMP OPERATION

Place the headlamp switch in the headlamps on and off positions.

Do the headlamps operate correctly?

Yes	GO to K2.
No	Refer to Exterior Lighting , Symptom Chart: Headlamps.

K2 CHECK FOR VOLTAGE TO THE LIGHT SENSOR

Ignition OFF.

Disconnect: Light Sensor.

Ignition ON.

Place the headlamp switch in the autolamps on position.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C286-2	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage approximately 5 volts?

Yes	INSTALL a new light sensor. Refer to Light Sensor .
No	GO to K3.

K3 CHECK FOR CORRECT BCM OPERATION

Disconnect and inspect all BCM connectors.

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

Reconnect the BCM connectors. Make sure they seat and latch correctly.

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 Multifunction Electronic Modules - Without Intelligent Access or REFER to Multifunction Electronic Modules - With Intelligent Access .
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.