LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2017 >> Verano Base, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit Short to Ground >> Component Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Test

Static Test

  1. Ignition OFF, disconnect the harness connector at the S48A Multifunction Switch - Instrument Panel.
  2. Test for infinite resistance between the control circuit terminal 6 and ground circuit terminal 7.
    • If less than infinite resistance 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If infinite resistance 
  3. Test for less than 10 Ω between the control circuit terminal 6 and ground circuit terminal 7 while pressing the lane departure warning switch.
    • If 10 Ω or greater 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If less than 10 Ω 
  4. All OK.