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Home >> Nissan-Datsun >> 2012 >> Altima SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Control System - Component Testing (VQ35DE)) >> ASCD Brake Switch >> Component Function Check

Component Function Check

WARNING: This page is about a different variant/trim than selected.
  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 item Condition Indication
      BRAKE SW1 Brake pedal (CVT)
      Brake pedal and clutch pedal (M/T)
      Slightly depressed OFF
      Fully released ON

    Without CONSULT 

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connectors.
      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      E32 110 (ASCD brake switch signal) 112 Brake pedal (CVT)
      Brake pedal and clutch pedal (M/T)
      Slightly depressed Approx. 0 V
      Fully released Battery voltage
      Fig 1: Checking ASCD Brake Switch Function
      G08433656Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".