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Home >> Nissan-Datsun >> 2008 >> Frontier XE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Qr25DE) >> Component Diagnosis >> P1572 ASCD Brake Switch >> Component Inspection >> ASCD Brake Switch
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ASCD Brake Switch

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

    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
    G04895072Courtesy of NISSAN MOTOR CO., U.S.A.

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