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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Component/Circuit Diagnosis >> Throttle Position Sensor >> Component Inspection >> VR30DDTT engine
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VR30DDTT engine

  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