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Home >> Infiniti >> 2007 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> DTC P1572 ASCD Brake Switch >> Component Inspection >> ASCD Brake Switch
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ASCD Brake Switch

  1. Turn ignition switch OFF.
  2. Disconnect ASCD brake switch harness connector.
  3. Check harness continuity between ASCD brake switch terminals 1 and 2 under the following conditions.
    TERMINALS CONTINUITY CHART

    Condition Continuity
    Brake pedal: Fully released Should not exist.
    Brake pedal: Slightly depressed Should exist.

    If NG, adjust ASCD brake switch installation, refer to "BRAKE PEDAL ", and perform step  3 again.

    Fig 1: Checking Continuity Between Stop Lamp Switch Terminals 1 And 2
    G05229070Courtesy of NISSAN NORTH AMERICA, INC.