Evaporator Temperature Sensor Open (AZC & MTC)

Test 1 - 2:

Test 3 - 5:

Test 6:

SYMPTOM
EVAP TEMP SENSOR OPEN (MTC & AZC)

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC is displayed if the BCM detects an abnormally high voltage on the Evaporator Temperature Sensor Signal circuit.

POSSIBLE CAUSES
- Evaporator temperature sensor signal circuit shorted to voltage
- Body control module
- Evaporator temperature sensor signal circuit open
- Sensor ground circuit open
- Evaporator temperature sensor
- Wiring harness inspection