LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Component/Circuit Diagnosis >> Stop Lamp Switch >> Component Inspection >> VR30DDTT engine
April 5, 2026: LEMON Manuals is launched! Read the announcement.

VR30DDTT engine

  1. CHECK STOP LAMP SWITCH-I 
    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch harness connector.
    3. Check the continuity between stop lamp switch terminals under the following conditions.

      Terminals

      Condition

      Continuity

      3 and 4

      Brake pedal

      Fully released

      Not existed

      Slightly depressed

      Existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 2.

  2. CHECK STOP LAMP SWITCH-II 
    1. Adjust stop lamp switch installation. Refer to BRAKE PEDAL : Periodic Maintenance Operation .
    2. Check the continuity between stop lamp switch terminals under the following conditions.

      Terminals

      Condition

      Continuity

      3 and 4

      Brake pedal

      Fully released

      Not existed

      Slightly depressed

      Existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace stop lamp switch. Refer to BRAKE PEDAL : Exploded View .