PINPOINT TEST A : The Autolamps Are Inoperative
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- A1 CHECK THE MANUAL HEADLAMP OPERATION
- Place the headlamp switch in the HEADLAMPS and OFF positions.
Do the headlamps operate correctly?
Yes GO to A2 No REFER to Headlamps - Expedition . - A2 CHECK FOR VOLTAGE TO THE LIGHT SENSOR
- Ignition OFF.
- Disconnect: Autolamp Sensor C2360 (single zone climate control).
- Disconnect: Sunload Sensor C286 (dual zone climate control).
- Ignition ON.
- Place the headlamp switch in the AUTOLAMPS position.
- For single zone climate control, measure:
Positive Lead Measurement / Action Negative Lead C2360-2 Ground
- For dual zone climate control, measure:
Positive Lead Measurement / Action Negative Lead C286-2 Ground
Is the voltage approximately 5 volts?
Yes INSTALL a new autolamp/sunload sensor. REFER to Light Sensor . No GO to A3 - A3 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, Refer to BCM Hardware Testing .. 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.