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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Brake Switch >> Component Function Check >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK BRAKE PEDAL POSITION SWITCH FUNCTION

    G-20 With CONSULT

    1. Turn ignition switch ON.
    2. Select "ASCD BRAKE SW" in "DATA MONITOR" mode of "ENGINE" using CONSUL
    3. Check "ASCD BRAKE SW" indication as per the following conditions.
      Monitor item Condition Indication
      ASCD BRAKE SW Brake pedal Slightly depressed Off
      Fully released On

    G-21 Without CONSULT

    1. Turn ignition switch ON.
    2. Check the voltage between HPCM harness connector and ground as per the following.
      + - Condition Voltage
      (Approx.)
      HPCM
      Connector Terminal
      B15 59 Ground Brake pedal Slightly depressed 0 V
      Fully released Battery voltage

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE 

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