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Home >> Nissan-Datsun >> 2013 >> Juke SL, FWD, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1217 To P2263 >> DTC P2138: App Sensor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK APP SENSOR 1 POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect accelerator pedal position (APP) sensor harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between APP sensor harness connector and ground.
      + - Voltage (Approx.)
      APP sensor
      Connector Terminal
      E101 4 Ground 5 V

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between APP sensor harness connector and ECM harness connector.
      + - Continuity
      APP sensor ECM
      Connector Terminal Connector Terminal
      E101 4 E18 101 Existed
    4. Also check harness for short to ground.

      Is the inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit.

      NO: Repair or replace error-detected parts.

  3. CHECK APP SENSOR 2 POWER SUPPLY 

    Check the voltage between APP sensor harness connector and ground.

    + - Voltage (Approx.)
    APP sensor
    Connector Terminal
    E101 5 Ground 5 V

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. CHECK SENSOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check harness connector for short to power and short to ground, between the following terminals.
      ECM Sensor
      Connector Terminal Name Connector Terminal
      F25 39 FRP sensor F5 1
      EOP sensor F43 3
      Turbocharger boost sensor F75 1
      F26 68 Battery current sensor F52 1
      G sensor B32 3
      72 CMP sensor F109 1
      EVT control position sensor F110 1
      E18 118 APP sensor 2 E101 5

      Is inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit.

      NO: Repair or replace error-detected parts.

  5. CHECK APP SENSOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between APP sensor harness connector and ECM harness connector.
      + - Continuity
      APP sensor ECM
      Connector Terminal Connector Terminal
      E101 1 E18 120 Existed
      2 105
    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 APP SENSOR INPUT SIGNAL CIRCUIT 
    1. Check the continuity between APP sensor harness connector and ECM harness connector.
      + - Continuity
      APP sensor ECM
      Connector Terminal Connector Terminal
      E101 3 E18 102 Existed
      6 119
    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 APP SENSOR 

    Check the APP sensor. Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Replace accelerator pedal assembly. Refer to "EXPLODED VIEW ".

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