Engine Coolant Temp Sensor Circuit Plausibility (Oil Sensor)

Test 1 - 2:

Test 3 - 5:

SYMPTOM
P0115 - ENGINE COOLANT TEMP SENSOR CIRCUIT PLAUSIBILITY WITH ENGINE OIL SENSOR

WHEN MONITORED
With the engine running.

SET CONDITION
The ECT Sensor signal indicates a different engine temperature than the EO Sensor.

POSSIBLE CAUSES
- Current DTC
- ECT sensor
- ECT sensor - Cold
- ECT sensor - Hot
- Engine oil sensor sensor
- High resistance in ECT sensor circuits
- Engine cold too long