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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1087 To P2542 >> DTC P2138: App Sensor >> Component Inspection (Accelerator Pedal Position Sensor)
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Component Inspection (Accelerator Pedal Position Sensor)

  1. CHECK ACCELERATOR PEDAL POSITION SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Turn ignition switch ON.
    4. Check the voltage ECM harness connector terminals under the following conditions.
      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      M160 136 (APP sensor 1) 140 Accelerator pedal Fully released 0.45 - 1.0
      Fully depressed 4.4 - 4.8
      126 (APP sensor 2) 129 Fully released 0.22 - 0.5
      Fully depressed 2.1 - 2.5

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. REPLACE ACCELERATOR PEDAL ASSEMBLY 

    Replace accelerator pedal assembly.

    Refer to "MODELS WITHOUT DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION " (Without distance control assist system).

    Refer to "MODELS WITH DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION " (With distance control assist system).

    : INSPECTION END