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Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1211 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.
    TERMINALS VOLTAGE REFERENCE

    Terminal Accelerator pedal Voltage
    106 (Accelerator pedal position sensor 1) Fully released 0.5 - 1.0 V
    Fully depressed 4.2 - 4.8 V
    98 (Accelerator pedal position sensor 2) Fully released 0.25 - 0.5 V
    Fully depressed 0.2 - 2.5 V
    Fig 1: Checking Voltage Between ECM Terminals 106 (APP Sensor 1 Signal), 98 (APP Sensor 2 Signal) And Ground
    G04900719Courtesy 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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