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

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

    Condition Continuity
    Brake pedal: Fully released Should exist.
    Brake pedal: Slightly depressed Should not exist.
    Fig 1: Checking Continuity Between ASCD Brake Switch Terminals 1 And 2
    G05229071Courtesy of NISSAN NORTH AMERICA, INC.

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

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