Nissan Juke Service and Repair Manual : P0180 FPT sensor

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK GROUND CONNECTIONS

1. Turn ignition switch OFF.

2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK FUEL TEMPERATURE SENSOR SUPPLY CIRCUIT

1. Disconnect fuel temperature sensor harness connector.

2. Turn ignition switch ON.

3. Check the voltage between fuel temperature sensor connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

3.CHECK FUEL TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between fuel temperature sensor harness connector and ECM harness connector.

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


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

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

4.CHECK FUEL TEMPERATURE SENSOR

Refer to EC-916, "Component Inspection".

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace fuel temperature sensor.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.

>> INSPECTION END

Component Inspection

1.CHECK FUEL TEMPERATURE SENSOR

Check resistance between fuel temperature sensor terminals 1 and 2 under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace fuel temperature sensor.

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