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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 >> Brake Pedal Position Switch >> Component Function Check >> VR30DDTT Engine
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VR30DDTT Engine

  1. CHECK BRAKE PEDAL POSITION SWITCH FUNCTION 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "BRAKE SW1" in "DATA MONITOR" mode with CONSULT.
    3. Check "BRAKE SW1" indication under the following conditions.

      Monitor item

      Condition

      Indication

      BRAKE SW1

      Brake pedal

      Slightly depressed

      OFF

      Brake pedal

      Fully released

      ON

    SYMBOL Without CONSULT

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connector terminals as per the following.

      ECM

      Condition

      Voltage (V)

      Connector

      +

      -

      Terminal

      Terminal

      E152

      192

      (Brake pedal position switch signal)

      204

      Brake pedal

      Slightly depressed

      Approx. 0

      Brake pedal

      Fully released

      Battery voltage

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .