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Home >> Infiniti >> 2003 >> G35 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls System - DTCS P1148 Through P2138 - Coupe >> 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 engine ground under the following conditions.
    VOLTAGE TEST CONDITION CHART

    Terminal Accelerator pedal Voltage
    106 (Accelerator pedal position sensor 1) Fully released 0.5 - 1.0V
    Fully depressed 3.9 - 4.7V
    98 (Accelerator pedal position sensor 2) Fully released 0.15 - 0.60V
    Fully depressed 1.95 - 2.40V
    Fig 1: Checking Voltage Between ECM Terminals 106, 98 And Engine Ground
    G03583513Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace accelerator pedal assembly and go to next step. See ACCELERATOR PEDAL/POSITION SENSOR 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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