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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2555: Stop Lamp >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK STOP LAMP SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch connector.
    3. Check continuity between stop lamp switch terminals.

      Stop lamp switch

      Condition

      Continuity

      Terminal

      3

      4

      Brake pedal

      Not depressed

      Not existed

      Depressed

      Existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace stop lamp switch. Refer to Removal and Installation .