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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (EV Control System) >> DTC/Circuit Diagnosis >> DTC P1572: ASCD Brake Switch >> Component Inspection (ASCD Brake Switch)
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Component Inspection (ASCD Brake Switch)

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
  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 REFERENCE CHART

    Terminals Condition Continuity
    1 and 2 Brake pedal Fully released Existed
    Slightly depressed Not existed

    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 REFERENCE CHART

    Terminals Condition Continuity
    1 and 2 Brake pedal Fully released Existed
    Slightly depressed Not existed

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace ASCD brake switch. Refer to "EXPLODED VIEW ".

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