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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component /Circuit Diagnosis >> Throttle Position Sensor >> Component Inspection
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Component Inspection

  1. CHECK THROTTLE POSITION SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Perform Refer to Work Procedure .
    4. Turn ignition switch ON.
    5. Set selector lever position to D.
    6. Check the voltage between ECM harness connector terminals under the following conditions.
      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      F92 78
      (TP sensor 1 signal)
      85
      (Sensor ground)
      Accelerator pedal Fully released More than 0.36
      Fully depressed Less than 4.75
      80
      (TP sensor 2 signal)
      Fully released Less than 4.75
      Fully depressed More than 0.36

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    GO TO 2.

  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 

    Replace electric throttle control actuator. Refer to INTAKE MANIFOLD : Removal and Installation .

    >>

    INSPECTION END