LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (3 Of 4)) >> DTC/Circuit Diagnosis >> P2014 Intake Manifold Runner Control Valve Position Sensor >> DTC Diagnosis Procedure >> PR25DD engine

PR25DD engine

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P2014 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect intake valve manifold runner control valve position sensor harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between intake valve manifold runner control valve position sensor harness connector.

      Intake manifold runner control valve position sensor

      Voltage

      (Approx.)

      Connector

      +

      -

      Terminal

      F52

      1

      3

      5 V

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    GO TO 3.

  3. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR POWER SUPPLY CIRCUIT 

    Check the voltage between intake valve manifold runner control valve position sensor harness connector and ground.

    +

    -

    Voltage

    (Approx.)

    Intake manifold runner control valve position sensor

    Connector

    Terminal

    F52

    1

    Ground

    5 V

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Perform the trouble diagnosis for power supply circuit.

  4. CHECK ECM GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between ECM harness connector and ground.

      +

      -

      Continuity

      ECM

      Connector

      Terminal

      F91

      5

      Ground

      Existed

      65

      F90

      69

      70

      E31

      157

      159

      162
    4. Also check harness for short to power.

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Inspection .

    NO

    Repair or replace error-detected parts.

  5. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between intake manifold runner control valve position sensor harness connector and ECM harness connector.

      +

      -

      Continuity

      Intake manifold runner control valve position sensor

      ECM

      Connector

      Terminal

      Connector

      Terminal

      F52

      3

      F90

      79

      Existed
    4. Also check harness for short to power.

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace error-detected parts.

  6. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT 
    1. Check the continuity between intake manifold runner control valve position sensor harness connector and ECM harness connector.

      +

      -

      Continuity

      Intake manifold runner control valve position sensor

      ECM

      Connector

      Terminal

      Connector

      Terminal

      F52

      2

      F90

      82

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

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace error-detected parts.

  7. CHECK INTERMITTENT INCIDENT 

    Refer to Inspection .

    Is the inspection result normal?

    YES

    Replace intake manifold assembly. Refer to Exploded View .

    NO

    Repair or replace error-detected parts.

scientia non olet · About LEMON Manuals