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Home >> Infiniti >> 2016 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnostic Trouble Codes (DTCS) (P0447-P2138) >> DTC/Circuit Diagnosis >> DTC P2127, P2128: Accelerator Pedal Position (App) Sensor 2 Circuit Low/High Input >> Component Inspection >> Diagnostic Test
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Diagnostic Test

  1. CHECK ACCELERATOR PEDAL POSITION SENSOR

    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Turn ignition switch ON.
    4. Check the voltage ECM harness connector terminals as per the following:
      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      M107 97 (APP sensor 1) 100 Accelerator pedal Fully released 0.45 - 1.0
      Fully depressed 4.2 - 4.8
      98 (APP sensor 2) 104 Fully released 0.22 - 0.50
      Fully depressed 2.1 - 2.5

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2  .

  2. REPLACE ACCELERATOR PEDAL ASSEMBLY

    1. Replace accelerator pedal assembly. Refer to REMOVAL AND INSTALLATION .
    2. Go to SPECIAL REPAIR REQUIREMENT .

    INSPECTION END

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