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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 >> P059F Active Grille Shutter >> DTC Diagnosis Procedure >> PR25DD engine

PR25DD engine

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

    If DTC P059F displayed with DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607 first perform the trouble diagnosis for DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK ACTIVE GRILL SHUTTER 
    1. Turn ignition switch OFF.
    2. Check if any foreign objects interferes with active grille shutter.
    3. Check the installation condition of active grille shutter.

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace the error-detected parts.

  3. CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY 
    1. Disconnect active grille shutter harness connector.
    2. Check the voltage between active grille shutter harness connector and ground as follows.

      +

      -

      Condition

      Voltage

      (Approx.)

      Active grille shutter

      Connector

      Terminal

      E249

      4

      Ground

      Ignition switch: ON

      Battery voltage

      Ignition switch: OFF

      0 V

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    GO TO 4.

  4. CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF
    2. Disconnect IPDM E/R harness connector.
    3. Check the continuity between active grille shutter harness connector and IPDM E/R harness connector.

      Active grille shutter

      IPDM E/R

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E249

      4

      F10

      78

      Existed

    Is the inspection result normal?

    YES

    Perform trouble diagnosis for power supply circuit.

    NO

    Repair or replace the error-detected parts.

  5. CHECK ACTIVE GRILLE SHUTTER GROUND CIRCUIT 
    1. Turn ignition switch OFF
    2. Check the continuity between active grille shutter harness connector and ground.

      Active grille shutter

      -

      Continuity

      Connector

      Terminal

      E249

      1

      Ground

      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, short to ground or short to power in harness or connectors.

  6. CHECK ACTIVE GRILLE SHUTTER INPUT SIGNAL CIRCUIT 
    1. Disconnect ECM harness connector.
    2. Check the continuity between ECM harness connector and active grille shutter harness connector.

    +

    -

    Continuity

    ECM

    Active grille shutter

    Connector

    Terminal

    Connector

    Terminal

    F90

    98

    E249

    2

    Existed

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace the error-detected parts.

  7. CHECK ACTIVE GRILLE SHUTTER 

    Check active grille shutter. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace active grille shutter. Refer to ACTIVE GRILLE SHUTTER : Removal & Installation .

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