The PCM monitors the output signals from the Oil Temperature Sensor every 15 seconds. If a signal is high for more than 12.5 seconds, the PCM sets a P0198 DTC.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal High | 1. Poor connection 2. Open or short to battery in signal harness 3. Open in ground harness 4. Faulty OTS 5. PCM | |
Enable Conditions | Case 1 |
•
Engine running longer than 60 sec.
•
Coolant temperature less than 110 ℃(230℉) | |
Case 2 |
•
Engine running longer than 90 sec. | ||
Threshold value |
•
Oil temperature sensor's signal greater than 4.9V | ||
Diagnosis Time |
•
Continuous (More than 12.5 sec.failure for every 15 sec.test) | ||
MIL On Condition |
•
3 Driving Cycles |