Set Conditions

Set Condition:
After a calibrated amount of cool down time the PCM compares the ECT Sensor, IAT Sensor, and the Ambient Air Temp Sensor values, if the ECT Sensor value is not within 10° C (50° F) of the other two temperature sensors a failure will be logged. Two Trip Fault. Three good trips to turn off the MIL. (ETC lamp will illuminate with the MIL.)