ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
Engine Coolant Temperature (ECT) sensor is a thermistor that
varies resistance based on temperature. As temperature of sensor
increases, resistance decreases. High temperature will result in a low
signal voltage. DTC will set when PCM sees an ECT sensor voltage
intermittently less than 0.14 volt.
You likely won't notice any drivability problems.
- ECT sensor intermittently indicates ECT greater than
- ECT voltage intermittently less than 0.74 volt.