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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0603 To P2A03 (Qr25DE) >> 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 continuity between ASCD brake switch terminals 1 and 2 under the following conditions.
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 NORTH AMERICA, INC.

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