P0118

Tests 1 - 2:

Tests 3 - 7:

SYMPTOM
P0118 ECT SENSOR VOLTAGE TOO HIGH

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

SET CONDITION
The engine coolant temperature sensor circuit voltage at the PCM goes above 4.98 volts for more than 3 seconds.

POSSIBLE CAUSES
- ECT sensor ground circuit open
- ECT sensor signal circuit open
- ECT sensor wiring harness intermittent defect
- ECT sensor wiring harness observable defect
- Engine coolant temperature sensor
- PCM (engine coolant temperature sensor)