Evaporator Temperature Sensor Circuit Short (Active) - MTC

Test 1:

Test 2-3:

SYMPTOM
EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT (ACTIVE) - MTC

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the A/C - Heater Control Module sees abnormally low voltage on the Evaporator Temperature Sensor Signal circuit.

POSSIBLE CAUSES
- Evaporator temperature sensor
- Evaporator temperature sensor signal circuit short to ground
- Evaporator temperature sensor signal circuit short to sensor ground circuit
- A/C - heater control module