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Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> Parking Assist System Malfunction >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the S48A Multifunction Switch - Instrument Panel.
  2. Test for infinite resistance between terminal 2 and terminal 5 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If infinite resistance 
  3. Test for less than 10 Ω between terminal 2 and terminal 5 with the switch in the closed position.
    • If 10 Ω or greater 

      Replace the S48A Multifunction Switch - Instrument Panel.

    • If less than 10 Ω 
  4. All OK