DTC Diagnosis Procedure
- CHECK ENGINE OIL TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
- Disconnect engine oil temperature (EOT) sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between EOT sensor harness connector and ground.
EOT sensor
Ground
Voltage (V)
Connector
Terminal
F38
1
Ground
Approx. 5
Is the inspection result normal?
YES
GO TO 2.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK EOT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EOT sensor harness connector and ECM harness connector.
EOT sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F38
2
F91
43
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK ENGINE OIL TEMPERATURE SENSOR
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 4.
NO
Replace engine oil temperature sensor. Refer to OIL PAN (LOWER) AND OIL STRAINER : Exploded View .
- CHECK INTERMITTENT INCIDENT
Refer to Inspection .
INSPECTION END