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Home >> Nissan-Datsun >> 2009 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> P1572 ASCD Brake Switch >> Component Inspection (ASCD Brake Switch)

Component Inspection (ASCD Brake Switch)

  1. CHECK ASCD BRAKE SWITCH-I
    1. Turn ignition switch OFF.
    2. Disconnect ASCD brake switch harness connector.
    3. Check the continuity between ASCD brake switch terminals under the following conditions.
    CONTINUITY CHART

    Terminals Condition Continuity
    1 and 2 Brake pedal Fully released. Existed
    Slightly depressed. Not existed
    Fig 1: Checking Continuity Between ASCD Brake Switch Terminals
    G05869931Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: GO TO 2.

  2. CHECK ASCD BRAKE SWITCH-II
    1. Adjust ASCD brake switch installation. Refer to "INSPECTION AND ADJUSTMENT ".
    2. Check the continuity between ASCD brake switch terminals under the following conditions.
    CONTINUITY CHART

    Terminals Condition Continuity
    1 and 2 Brake pedal Fully released. Existed
    Slightly depressed. Not existed
    Fig 2: Checking Continuity Between ASCD Brake Switch Terminals
    G05869932Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace ASCD brake switch.