Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0340 CMP sensor (PHASE)
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.

2.CHECK GROUND CONNECTION

  1. Turn ignition switch OFF.
  2. Check ground connection E15. Refer to Ground Inspection in GI, "Circuit Inspection".

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace ground connection.

3.CHECK INTAKE CAMSHAFT POSITION SENSOR (PHASE) POWER SUPPLY CIRCUIT

  1. Disconnect intake camshaft position sensor (PHASE) harness connector.
  2. Turn ignition switch ON.
  3. Check the voltage between intake camshaft position sensor (PHASE) harness connector and ground.

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 INTAKE CAMSHAFT POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connectors.
  3. Check the continuity between intake camshaft position sensor (PHASE) harness connector and ECM harness connector.

    4.   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 INTAKE CAMSHAFT POSITION SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

    1.   Check the continuity between intake camshaft position sensor (PHASE) harness connector and ECM harness connector.

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

Is the inspection result normal?

YES >> GO TO 6.

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

6.CHECK INTAKE CAMSHAFT POSITION SENSOR (PHASE)

Refer to EC, "Component Inspection".

Is the inspection result normal?

YES >> GO TO 7.

NO >> Replace intake camshaft position sensor (PHASE). Refer to EM, "Exploded View".

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, "Removal and Installation".

CHECK CAMSHAFT (INT)

8.CHECK INTERMITTENT INCIDENT

Refer to GI, "Intermittent Incident".

>> INSPECTION END

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