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Home >> Nissan-Datsun >> 2011 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS P1148 To P2A03 (Qr25DE) >> DTC P2138 App Sensor >> Component Inspection >> Accelerator Pedal Position Sensor

Accelerator Pedal Position Sensor

  1. Reconnect all harness connectors disconnected.
  2. Turn ignition switch ON.
  3. Check voltage between ECM terminals 81 (APP sensor 1 signal), 82 (APP sensor 2 signal) and ground under the following conditions.
    TERMINAL VOLTAGE REFERENCE CHART

    Terminal Accelerator pedal Voltage
    81 (Accelerator pedal position sensor 1) Fully released 0.6 - 0.9 V
    Fully depressed 3.9 - 4.7 V
    82 (Accelerator pedal position sensor 2) Fully released 0.3 - 0.6 V
    Fully depressed 1.95 - 2.4 V
    Fig 1: Checking Voltage Between ECM Terminals 81 (APP Sensor 1 Signal), 82 (APP Sensor 2 Signal) And Ground
    G07144447Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace accelerator pedal assembly. Refer to "REMOVAL AND INSTALLATION ".
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