1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.
2. Check ground connection M95. Refer to Ground Inspection in Circuit Inspection.

Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace ground connection.
2.CHECK EOT SENSOR POWER SUPPLY CIRCUIT

1. Disconnect engine oil temperature (EOT) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between EOT sensor harness connector and ground.

   EOT sensor | Ground | Voltage (V)
   Connector | Terminal
   F204 | 1 | Ground | Approx. 5

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors F47, F201
- Harness for open or short between EOT sensor and ECM

>>Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK EOT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EOT sensor harness connector and ECM harness connector.

   EOT sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   F204 | 2 | F101 | 26 | Existed

4. Also check harness for short to ground and short to power.

Is the inspection result normal?
YES>>GO TO 6.
NO>>GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors F47, F201
- Harness for open or short between EOT sensor and ECM

>>Repair open circuit, short to ground or short to power in harness or connectors.
6.CHECK ENGINE OIL TEMPERATURE SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 7.
NO>>Replace engine oil temperature sensor.
7.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END