Detection Condition

DTC is set when PCM determines Engine Coolant Temperature (ECT) sensor reading has not increased after engine is started cold to expected temperature within specified period of time. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze Frame Data is available and DTC is stored in PCM memory.