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Home >> Nissan-Datsun >> 2012 >> NV3500 HD SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing & Removal And Installation (VK56DE) >> ASCD Brake Switch >> Component Function Check

Component Function Check

  1. CHECK ASCD BRAKE SWITCH FUNCTION

    With CONSULT 

    1. Turn ignition switch ON.
    2. Select "BRAKE SW1" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
    3. Check "BRAKE SW1" indication as per the following conditions.
      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.
      ECM Condition Voltage (Approx.)
      Connector + -
      Terminal
      E77 108 116 Brake pedal Slightly depressed 0 V
      Fully released Battery voltage
      Fig 1: Checking Voltage Between ECM Harness Connector Terminals
      G08435914Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".