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Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1211 To P2A03 >> DTC P1572 ASCD Brake Switch >> Diagnosis Procedure >> ASCD Brake Switch

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 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 , and perform step 3 again.