LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2010 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0181 To P0607 >> P0340 CMP Sensor (Phase) >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 "WORK FLOW ".).

  2. CHECK GROUND CONNECTION
    1. Turn ignition switch OFF.
    2. Check ground connection E38. Refer to "CIRCUIT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair or replace ground connection.

  3. CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY CIRCUIT
    1. Disconnect camshaft position (CMP) sensor (PHASE) harness connector.
    2. Turn ignition switch ON.
    3. Check the voltage between CMP sensor (PHASE) harness connector and ground.
    VOLTAGE SPECIFICATION

    CMP sensor (PHASE) Ground Voltage
    Connector Terminal
    F26 1 Ground Approx. 5 V

    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) GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.
      CONTINUITY SPECIFICATION

      CMP sensor (PHASE) ECM Continuity
      Connector Terminal Connector Terminal
      F26 2 F8 63 Existed
    3. Also check harness for 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) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Disconnect ECM harness connector.
    2. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector.
      CONTINUITY SPECIFICATION

      CMP sensor (PHASE) ECM Continuity
      Connector Terminal Connector Terminal
      F26 3 F8 65 Existed
    3. 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 CAMSHAFT POSITION SENSOR (PHASE)

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 7.

    NO: Replace camshaft position sensor (PHASE).

  7. CHECK CAMSHAFT (INT)

    Check the following.

    • Accumulation of debris to the signal plate of camshaft (1) 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.

    Fig 1: Identifying Camshaft
    G04925200Courtesy of NISSAN MOTOR CO., U.S.A.
  8. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

scientia non olet · About LEMON Manuals