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Home >> Infiniti >> 2006 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> DTC P2138 App Sensor >> Component Inspection >> Accelerator Pedal Position Sensor
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Accelerator Pedal Position Sensor

  1. Reconnect all harness connectors disconnected.
  2. Turn ignition switch ON.
  3. Check voltage between ECM terminals 106 (APP sensor 1 signal), 98 (APP sensor 2 signal) and ground under the following conditions.
    ACCELERATOR PEDAL POSITION SENSOR VOLTAGE

    Terminal Accelerator pedal Voltage
    106 (Accelerator pedal position sensor 1) Fully released 0.5 - 1.0V
    Fully depressed 4.2 - 4.8V
    98 (Accelerator pedal position sensor 2) Fully released 0.25 - 0.5V
    Fully depressed 2.0 - 2.5V
    Fig 1: Identifying Voltage Between Ground And ECM Connector Terminals 98 & 106
    G04075209Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace accelerator pedal assembly and go to next step.
  5. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  6. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  7. Perform "IDLE AIR VOLUME LEARNING ".
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