Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK EOT SENSOR POWER SUPPLY
- Disconnect engine oil temperature (EOT) sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between EOT sensor harness connector and ground.
+
-
Voltage
EOT sensor
Connector
Terminal
F68
1
Ground
Approx. 5 V
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
F68
2
F13
15
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
Check engine oil temperature sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace engine oil temperature sensor. Refer to Component Parts Location .