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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> 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 106 (APP sensor 1 signal), 98 (APP sensor 2 signal) and ground under the following conditions.
    Fig 1: Checking Accelerator Pedal Position Sensor (1 Of 2)
    G02691896Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Accelerator Pedal Position Sensor (2 Of 2)
    G02691897Courtesy 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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