PCM/ECM sets DTC P0117 if the PCM/ECM detects signal voltage lower than the possible range of a properly operating ECTS.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage range check | 1. Short to ground in signal harness 2. Poor connection or damaged harness 3. Faulty ECT sensor |
Enable Conditions |
•
Battery voltage > 6V | |
Threshold Value |
•
ECTS voltage < 0.39V | |
Diagnostic Time |
•
1sec. | |
Fail Safe |
•
2 Drive Cycles |