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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> 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 (APR sensor 1 signal), 98 (APR sensor 2 signal) and engine ground under the following conditions.
    Fig 1: Checking Voltage Between ECM Terminals 106, 98 & Ground
    G00779519Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Voltage Specification Table
    G00779518Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace accelerator pedal assembly and go to the next step.
  5. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  6. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  7. Perform "IDLE AIR VOLUME LEARNING ".