PCM sets DTC P0197 if the ECM detects engine oil temperature signal circuit is short to ground.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check | 1. Poor Connector Connection 2. Short to ground in signal circuit 3. Defected Engine Oil Temperature Sensor (EOTS) |
Enable Conditions |
•
Engine coolant temperature is at between -9.8℃(14.36℉) and 100℃(212℉)
•
300 sec. after engine start
•
Battery voltage is at between 6V and 16V | |
Threshold Value |
•
Engine oil temperature is higher than 153℃(307.4℉) | |
Diagnostic Time |
•
5 sec. | |
Mil On Condition |
•
2 Driving Cycle |
