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Evaporator Temperature Sensor Circuit Shorted (Active)

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