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Home >> Cadillac >> 2017 >> CTS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Lane Keep Assist System Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC B356A is not set.
    • If the DTC is set 

      Refer to DTC B356A .

    • If the DTC is not set 
  3. Verify that DTC B0987 is not set.
    • If the DTC is set 

      Refer to DTC B0987 .

    • If the DTC is not set 
  4. Verify the scan tool Frontview Camera System Status parameter is Normal.
    • If the parameter is Undefined or Malfunction 

      Refer to Diagnostic Aids .

    • If the parameter is Normal 
  5. Verify the scan tool Lane Keep Assist Switch Status parameter changes between ON and OFF when pressing the lane keep assist switch.
    • If the parameter does not change between On and Off 

      Refer to Circuit/System Testing - Lane Keep Assist Switch Malfunction.

    • If the parameter changes between On and Off 
  6. Verify the scan tool Lane Keep Assist Indicator Status parameter changes change between On and Off when pressing the lane keep assist switch.
    • If the parameter does not change between On and Off 

      Refer to Circuit/System Testing - Lane Keep Assist Switch Indicator Malfunction.

    • If the parameter changes between On and Off 
  7. All OK.
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