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Home >> Nissan-Datsun >> 2005 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1572: ASCD Brake Switch >> Component Inspection >> ASCD Brake Switch

ASCD Brake Switch

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  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.
    Fig 1: Checking Harness Continuity Between ASCD Brake Switch Terminals 1 & 2
    G02474554Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY CONDITION TABLE

    Condition Continuity
    When brake pedal is fully released. Should exist.
    When brake pedal is slightly depressed. Should not exist.

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

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