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Home >> Nissan-Datsun >> 2004 >> Quest SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P2122, P2123: 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 body ground under the following conditions.
    Fig 1: Checking Voltage Between ECM Terminals 106, 98 And Body Ground
    G00775967Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Identifying Terminals Specifications
    G00775966Courtesy 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  .