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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1212 To P2A00 (CALIFORNIA) >> DTC P2014: Tumble Control Valve Position Sensor >> Diagnosis Procedure

Diagnosis Procedure

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

      Is the inspection result normal? 

      YES >> GO TO 2.

      NO >> Repair or replace ground connection.

  2. CHECK TUMBLE CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT-I
    1. Reconnect ECM harness connector disconnected.
    2. Turn ignition switch ON.
    3. Check the voltage between tumble control valve actuator harness connector and ground.
      Tumble control valve actuator Ground Voltage
      Connector Terminal
      F22 1 Ground Approx. 5 V

      Is the inspection result normal? 

      YES >> GO TO  8.

      NO >> GO TO 3.

  3. CHECK TUMBLE CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT-II
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between tumble control valve actuator harness connector and ECM harness connector.
      Tumble control valve actuator ECM Continuity
      Connector Terminal Connector Terminal
      F22 1 F8 69 Existed

      Is the inspection result normal? 

      YES >> GO TO 4.

      NO >> Repair open circuit.

  4. CHECK SENSOR POWER SUPPLY CIRCUIT

    Check harness for short to power and short to ground, between the following terminals.

    ECM Sensor
    Connector Terminal Name Connector Terminal
    F8 69 Tumble control valve actuator F22 1
    71 Battery current sensor F53 1
    74 Refrigerant pressure sensor E49 3
    75 CKP sensor (POS) F20 1
    76 EVAP control system pressure sensor B21 3
    E16 102 APP sensor E110 5

    Is the inspection result normal? 

    YES >> GO TO 5.

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

  5. CHECK COMPONENT

    Check the following.

  6. CHECK APP SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES >> GO TO  10.

    NO >> GO TO 7.

  7. REPLACE ACCELERATOR PEDAL ASSEMBLY

    Replace accelerator pedal assembly. Refer to "REMOVAL AND INSTALLATION ".

    >> INSPECTION END

  8. CHECK TUMBLE CONTROL VALVE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between tumble control valve actuator harness connector and ECM harness connector.
      Tumble control valve actuator ECM Continuity
      Connector Terminal Connector Terminal
      F22 2 F8 47 Existed
    4. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES >> GO TO 9.

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

  9. CHECK TUMBLE CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Check the continuity between tumble control valve actuator harness connector and ECM harness connector.
      Tumble control valve actuator ECM Continuity
      Connector Terminal Connector Terminal
      F22 3 F8 35 Existed
    2. Also check harness for short to ground and short to power.

      Is the inspection result normal? 

      YES >> GO TO 10.

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

  10. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES >> Replace intake manifold adapter. Refer to "EXPLODED VIEW ".

    NO >> Repair or replace harness or connectors.

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