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Home >> Infiniti >> 2012 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Engine Control System - Component Testing (VQ35DE) (CROSSCABRIOLET)) >> ASCD Brake Switch >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ASCD BRAKE SWITCH FUNCTION

    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 ITEMS CONDITION CHART

      Monitor item Condition Indication
      BRAKE SW1 Brake pedal Slightly depressed OFF
      Fully released ON

    Without CONSULT 

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connector terminals.
      VOLTAGE REFERENCE CHART

      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      E16 110 (ASCD brake switch signal) 112 Brake pedal Slightly depressed Approx. 0 V
      Fully released Battery voltage

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".

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