Operation CHARM: Car repair manuals for everyone.

DTC D

DTC indicator light D: A short in the outside air temperature sensor circuit

1. Remove the outside air temperature sensor.
2. Test the outside air temperature sensor.

Is the resistance within the specifications shown on the graph?

YES - Go to step 3.

NO - Replace the outside air temperature sensor.

3. Disconnect the climate control unit 20P connector.




4. Check for continuity between the No.15 terminal of the climate control unit 20P connector and body ground.

Is there continuity?

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

NO - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.