FCM - Ambient Temp Sensor Input Open

Test 1 - 2:

Test 3 - 4:

SYMPTOM
FCM - AMBIENT TEMP SENSOR INPUT OPEN

WHEN MONITORED
Continuous with the ignition on.

SET CONDITION
The FCM detects more than 5.0 volts on the Ambient Temperature Sensor Signal circuit.

POSSIBLE CAUSES
- Ambient temperature sensor signal circuit short to voltage
- Ambient temperature sensor
- Ambient temperature sensor return circuit open
- Ambient temperature sensor signal circuit open
- Front control module