IAT Response Failure (AZC) (Active)
Tests 1 - 2:
SYMPTOM
IAT RESPONSE FAILURE (AZC) (ACTIVE)
WHEN MONITORED
Every 8 seconds with the ignition ON
SET CONDITION
This condition is set if the AZC does not receive the intake air temperature response message within 8 seconds.
POSSIBLE CAUSES
- Check the PCM for any DTCs
- Automatic zone control module