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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Object Detection System) >> Diagnostic Information and Procedures >> Forward Collision Alert System Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

Forward Collision Alert Switch

  1. Ignition OFF, disconnect the harness connector at the S70L Steering Wheel Controls Switch - Left.
  2. Test for 7.0k-10.5k Ω between the reference voltage terminal 1 and the signal circuit terminal 2.
    • If not between 7.0k-10.5k Ω 

      Replace the S70L Steering Wheel Controls Switch - Left.

    • If between 7.0k-10.5k Ω 
  3. Test for 2.1k-3.1k Ω between the reference voltage terminal 1 and the signal circuit terminal 2 while pressing the switch.
    • If not between 2.1k-3.1k Ω 

      Replace the S70L Steering Wheel Controls Switch - Left.

    • If between 2.1k-3.1k Ω 
  4. All OK.
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