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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1236 To P2138 (Except Hybrid) >> DTC P1572: Brake Pedal Position Switch >> With ASCD Models >> WITH ASCD MODELS: Component Inspection (Brake Pedal Position Switch)
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WITH ASCD MODELS: Component Inspection (Brake Pedal Position Switch)

  1. CHECK BRAKE PEDAL POSITION SWITCH-I 
    1. Turn ignition switch OFF.
    2. Disconnect brake pedal position switch harness connector.
    3. Check the continuity between brake pedal position switch terminals under the following conditions.
      Terminals Condition Continuity
      1 and 2 Brake pedal Fully released Existed
      Slightly depressed Not existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. CHECK BRAKE PEDAL POSITION SWITCH-II 
    1. Adjust brake pedal position switch installation. Refer to "INSPECTION AND ADJUSTMENT ".
    2. Check the continuity between brake pedal position switch terminals under the following conditions.
      Terminals Condition Continuity
      1 and 2 Brake pedal Fully released Existed
      Slightly depressed Not existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace brake pedal position switch. Refer to "EXPLODED VIEW ".