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Home >> Infiniti >> 2022 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 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 & Installation .

    INSPECTION END