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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component Parts/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. Refer to Work Procedure .
    4. Turn ignition switch ON.
    5. Set selector lever to D position.
    6. Check the voltage between ECM harness connector terminals under the following conditions.
      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      F142 103 [TP sensor 1 (bank 1)] 100 Accelerator pedal Fully released More than 0.36
      Fully depressed Less than 4.75
      109 [TP sensor 1 (bank 2)] 121 Fully released More than 0.36
      Fully depressed Less than 4.75
      114 [TP sensor 2 (bank 1)] 100 Fully released Less than 4.75
      Fully depressed More than 0.36
      111 [TP sensor 2 (bank 2)] 121 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 
    1. Replace malfunctioning electric throttle control actuator.
    2. Refer to Work Procedure .

    >>

    INSPECTION END