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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Component Testing >> ASCD Brake Switch >> Component Function Check
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Component Function Check

  1. CHECK ASCD BRAKE SWITCH FUNCTION

    With CONSULT-III 

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

      Monitor item Condition Indication
      BRAKE SW1 Brake pedal (A/T)
      Brake pedal and clutch pedal (M/T)
      Slightly depressed OFF
      Fully released ON

    Without CONSULT-III 

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      ECM Ground Condition Voltage
      Connector Terminal
      M107 126 (ASCD brake switch signal) Ground Brake pedal (A/T)
      Brake pedal and clutch pedal (M/T)
      Slightly depressed Approx. 0V
      Fully released Battery voltage

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".