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Home >> Infiniti >> 2004 >> I35 >> 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 73 (APP sensor 1 signal), 74 (APP sensor 2 signal) and engine ground under the following conditions. See Figure and Figure .
  4. If NG, replace accelerator pedal assembly.
  5. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING  .
  6. Perform THROTTLE VALVE CLOSED POSITION LEARNING  .
  7. Perform IDLE AIR VOLUME LEARNING  .
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