Nissan Rogue Service Manual: P0340 CMP sensor (phase)

Nissan Rogue Service Manual / Engine / Engine Control System / DTC/Circuit diagnosis / P0340 CMP sensor (phase)

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting cond
P0340	CMP SEN/CIRC-B1 (Camshaft position sensor ″A″ circuit bank 1 or single sensor)	The cylinder No. signal is not sent to ECM for the first few seconds during engine cranking. The cylinder No. signal is not sent to ECM during engine running. The cylinder No. signal is not in the normal pattern during engine running.

POSSIBLE CAUSE

Harness or connectors (Camshaft position sensor circuit is open or shorted.)
Camshaft position sensor
Camshaft (Intake)
Starter motor
Starting system circuit
Dead (Weak) battery
Sensor power supply 2 circuit

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE-1

Start engine and let it idle for at least 5 seconds.
If engine does not start, crank engine for at least 2 seconds.
Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-298, "Diagnosis Procedure".

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE-2

Maintaining engine speed at more than 800 rpm for at least 5 seconds.
Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-298, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK STARTING SYSTEM

Turn ignition switch to START position.

Does the engine turn over? Does the starter motor operate?

YES >> GO TO 2.

NO >> Check starting system (Refer to STR-11, "Work Flow (With GR8-1200 NI)" or STR-15, "Work Flow (Without GR8-1200 NI)").

2.CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY

Turn ignition switch OFF.
Disconnect camshaft position (CMP) sensor (PHASE) harness connector.
Turn ignition switch ON.
Check the voltage between CMP sensor (PHASE) harness connector and ground.

Check camshaft position (CMP) sensor (phase) power supply

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

NO >> GO TO 3.

3.CHECK SENSOR POWER SUPPLY 2 CIRCUIT

Perform EC-484, "Diagnosis Procedure".

Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.

NO >> Repair or replace error-detected parts.

4.CHECK CMP SENSOR (PHASE) GROUND CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.
Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.

Check CMP sensor (phase) ground circuit

Also check harness for short to power.

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

NO >> Repair or replace error-detected parts.

5.CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT

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

Check CMP sensor (phase) input signal circuit

Also check harness for short to ground and to power.

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

NO >> Repair or replace error-detected parts.

6.CHECK CAMSHAFT POSITION SENSOR (PHASE)

Check the camshaft position sensor (PHASE). Refer to EC-300, "Component Inspection (Camshaft position sensor)".

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

NO >> Replace camshaft position sensor (PHASE). Refer to EM-64, "Removal and Installation".

7.CHECK CAMSHAFT (INT)

Check the following.

Accumulation of debris to the signal plate of camshaft rear end
Chipping signal plate of camshaft rear end

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

NO >> Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to EM-64, "Removal and Installation".

Check camshaft (INT)

8.CHECK INTERMITTENT INCIDENT

Refer to GI-41, "Intermittent Incident".

>> INSPECTION END

Component Inspection (Camshaft position sensor)

1.CHECK CAMSHAFT POSITION SENSOR (PHASE)-1

Turn ignition switch OFF.
Loosen the fixing bolt of the sensor.
Disconnect camshaft position sensor (PHASE) harness connector.
Remove the sensor.
Visually check the sensor for chipping.

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

NO >> Replace camshaft position sensor (PHASE).

Check camshaft position sensor (phase)-1

2.CHECK CAMSHAFT POSITION SENSOR (PHASE)-2

Check the resistance camshaft position sensor (PHASE) terminals as per the following.

Check camshaft position sensor (phase)-2

Is the inspection result normal? YES >> INSPECTION END

NO >> Replace camshaft position sensor (PHASE). Refer to EM-64, "Removal and Installation".

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