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Home >> Infiniti >> 2012 >> G37 IPL, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (EV Control System) >> DTC/Circuit Diagnosis >> DTC P2138: App Sensor >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VCM GROUND CIRCUIT
    1. Turn power switch OFF.
    2. Disconnect VCM harness connector.
    3. Check the continuity between VCM harness connector and ground.
    CONTINUITY REFERENCE CHART

    + - Continuity
    VCM
    Connector Terminal
    E61 4 Ground Existed
    8
    E63 111
    112

    Is the inspection result normal? 

    YES: Go to 2.

    NO: Repair or replace error-detected parts.

  2. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR SIGNAL CIRCUIT
    1. Disconnect APP sensor harness connector.
    2. Check the continuity between APP sensor harness connector terminals
      CONTINUITY REFERENCE CHART

      APP sensor Continuity
      Connector + -
      Terminal
      E101 3 6 Existed
    3. Also check harness for short to ground and snort to power.

    Is the inspection result normal? 

    YES: Go to 3.

    NO: Repair or replace error-detected parts.

  3. CHECK APP SENSOR

Refer to "COMPONENT INSPECTION (ACCELERATOR PEDAL POSITION SENSOR) ".

Is the inspection result normal? 

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

NO: Replace Accelerator pedal. Refer to "REMOVAL AND INSTALLATION ".