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Home >> Nissan-Datsun >> 2008 >> Rogue S, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (MEXICO) >> Component Diagnosis [For MEXICO] >> P2138 App Sensor >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK GROUND CONNECTION
    1. Turn ignition switch OFF.
    2. Check ground connection E21. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

    Is the inspection result normal?

    YES: GO TO 2.

    NO: Repair or replace ground connection.

  2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
    1. Disconnect accelerator pedal position (APP) sensor harness connector.
    2. Turn ignition switch ON.
    3. Check the voltage between APP sensor harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      APP sensor Ground Voltage
      Connector Terminal
      E110 4 Ground Approx. 5V

    Is the inspection result normal?

    YES: GO TO 3.

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

  3. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
    1. Turn ignition switch ON.
    2. Check the voltage between APP sensor harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      APP sensor Ground Voltage
      Connector Terminal
      E110 5 Ground Approx. 5V

    Is the inspection result normal?

    YES: GO TO  7.

    NO: GO TO 4.

  4. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between APP sensor harness connector and ECM harness connector.
      TERMINALS CONTINUITY REFERENCE

      APP sensor ECM Continuity
      Connector Terminal Connector Terminal
      E110 5 E16 87 Existed

    Is the inspection result normal?

    YES: GO TO 5.

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

  5. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-III

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

    TERMINALS REFERENCE

    ECM Sensor
    Connector Terminal Name Connector Terminal
    F8 72 Refrigerant pressure sensor E49 3
    76 CKP sensor (POS) F20 1
    E16 87 APP sensor E110 5

    Is the inspection result normal?

    YES: GO TO 6.

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

  6. CHECK COMPONENTS

    Check the following.

    Is the inspection result normal?

    YES: GO TO  11.

    NO: Replace malfunctioning component.

  7. CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between APP sensor harness connector and ECM harness connector as follows.
      TERMINALS CONTINUITY REFERENCE

      APP sensor ECM Continuity
      Connector Terminal Connector Terminal
      E110 2 E16 84 Existed
      1 100
    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES: GO TO 8.

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

  8. CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Check the continuity between APP sensor harness connector and ECM harness connector as follows.
      TERMINALS CONTINUITY REFERENCE

      APP sensor ECM Continuity
      Connector Terminal Connector Terminal
      E110 6 E16 82 Existed
      3 81
    2. 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 shot to power in harness or connectors.

  9. CHECK APP SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal?

    YES: GO TO  11.

    NO: GO TO 10.

  10. REPLACE ACCELERATOR PEDAL ASSEMBLY
    1. Replace accelerator pedal assembly. Refer to "REMOVAL AND INSTALLATION ".
    2. Go to "SPECIAL REPAIR REQUIREMENT ".

      INSPECTION END

  11. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

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