Nissan Juke Service and Repair Manual : P0340 CMP sensor (phase)

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 CMP SENSOR (PHASE) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect camshaft position (CMP) sensor (PHASE) harness connector.

3. Turn ignition switch ON.

4. Check the voltage between CMP sensor (PHASE) harness 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 CMP SENSOR (PHASE) GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between CMP sensor (PHASE) 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 CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.

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


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

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

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

5.CHECK CMP SENSOR (PHASE)

Refer to EC-935, "Component Inspection".

Is the inspection result normal? YES >> GO TO 6.

NO >> Replace camshaft position sensor (PHASE).

6.CHECK SIGNAL PLATE

Visually check for chipping signal plate gear tooth of CMP sensor.

Is the inspection result normal? YES >> GO TO 7.

NO >> Repair or replace sprocket.

7.CHECK TIMING BELT

Refer to EM-302, "Removal and Installation".

Is the inspection result normal? YES >> GO TO 8.

NO >> Replace timing belt.

8.CHECK INTERMITTENT INCIDENT

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

>> INSPECTION END

Component Inspection

1.CHECK CMP SENSOR (PHASE)

1. Reconnect all harness connectors disconnected.

2. Start engine and warm it up to normal operating temperature.

3. Measure the voltage signal between ECM harness connector and ground under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace CMP sensor.

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