PCM monitors output signals from ECTS every 80 seconds. If an output signal is below 0.1V for more than 40 seconds, the PCM sets a P0117 DTC.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal low | 1. Poor connection 2. Short to ground in harness 3. ECTS 4. PCM | |
Enable Conditions | Case 1 |
•
Time after start-up longer than 120 sec. | |
Case 2 |
•
Time from IG "OFF" to IG "ON" longer than 360 min.
•
Engine running | ||
Threshold value |
•
Engine coolant temperature sensor's voltage less than 0.1V | ||
Diagnosis Time |
•
Continuous (More than 40 seconds failure for every 80 second test) | ||
MIL On Condition |
•
3 Driving Cycles | ||
