P0117

Tests 116 - 121:

SYMPTOM
P0117 - ECT SENSOR VOLTAGE TOO LOW

WHEN MONITORED
With the ignition ON and battery voltage greater than 10.4 volts.

SET CONDITION
The Engine Coolant Temperature (ECT) sensor circuit voltage at the PCM goes below 0.5 volt for more than 3 seconds.

POSSIBLE CAUSES
- ECT sensor signal circuit shorted to ground
- ECT sensor signal circuit shorted to the sensor ground circuit
- Wiring harness intermittent defect
- ECT sensor defective
- PCM defective