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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> DTC B361B >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/Vehicle in Service Mode.
  2. While holding each switch listed below, verify the scan tool Heads Up Display Switch State parameter is as follows:
    • DIM + Switch - HUD Dimming Up/Down Pressed
    • DIM - Switch - HUD Dimming Up/Down Pressed
    • UP Switch - HUD Movement
    • DOWN Switch - HUD Movement
    • PAGE Switch - HUD Page Switch
    • If the scan tool parameter does not equal the expected result with the switch in the appropriate state 

      Refer to Circuit/System Testing.

    • Go to next step: If the scan tool parameter equals the expected result with the switch in the appropriate state 
  3. All OK.