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Home >> Infiniti >> 2022 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 Of 2) >> Component/Circuit Diagnosis >> ASCD Brake Switch >> Component Inspection
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Component Inspection

  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.

      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 BRAKE PEDAL : .
    2. Check the continuity between ASCD brake switch terminals under the following conditions.

      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 BRAKE PEDAL : Removal & Installation .