DTC F

DTC indicator F: A Short in the Sunlight Sensor Circuit.

1. Disconnect the sunlight sensor 2P connector.
2. Disconnect the climate control unit connector B (22P).




3. Check for continuity between the No. 11 terminal of climate control unit connector B (22P) and body ground.

Is there continuity?

YES - Repair short to body ground in the wire between the climate control unit and the sunlight sensor.

NO - Go to step 4.

4. Reconnect climate control unit connector B (22P).
5. Reconnect the sunlight sensor 2P connector.
6. Test the sunlight sensor.

Is the sunlight sensor OK?

YES - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Replace the sunlight sensor.