Engine Coolant Response Failure (AZC) (Active)

Test 1 - 3:

SYMPTOM
ENGINE COOLANT 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 engine coolant response message within 8 seconds.

POSSIBLE CAUSES
- Check the PCM for any DTCs
- Observe the ECT display in the instrument cluster
- Automatic zone control module