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Home >> Mazda >> 2018 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Symptom Troubleshooting - Lane-Keep Assist System >> Condition In Which Lane-Keep Assist System Does Not Operate Increases Significantly (Lane-Keep Assist System) >> Notes
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Condition In Which Lane-Keep Assist System Does Not Operate Increases Significantly (Lane-Keep Assist System): Notes

NOTE:
  • If there is any vehicle malfunction complaint lodged by a customer, first perform malfunction diagnosis according to the troubleshooting procedure. (See FOREWORD (Lane-Keep Assist System) .)
LANE-KEEP ASSIST SYSTEM DESCRIPTION AND POSSIBLE CAUSE

Item CONDITION IN WHICH LANE-KEEP ASSIST SYSTEM DOES NOT OPERATE INCREASES SIGNIFICANTLY
Description
  • Condition in which lane-keep assist system does not operate increases significantly, even though white lines can be verified visually.
Possible Causes
NOTE:
  • If the steering wheel operation assist is set to off using the personalization feature, the lane-keep assist system display is not displayed even when the lane-keep assist system switch is operated.
  • The detection performance of the forward sensing camera (FSC) has limitations and the lane-keep assist system may not operate normally. For the detection performance limitations, refer to the [FORWARD SENSING CAMERA (FSC)] in the applicable service information.
    • The forward sensing camera (FSC) operation record can be verified using the M-MDS.
  • Windshield malfunction
    • Windshield dirty
    • Foreign matter caught between the windshield and the forward sensing camera (FSC)
      • Sticker adhesion on the windshield
  • Object placed on the upper part of the dashboard
  • Headlight malfunction
  • Non-designated part installed
    • Non-designated suspension installed
    • Non-designated tire installed
      • Non-designated windshield installed
  • Forward sensing camera (FSC) lens dirty
  • Forward sensing camera (FSC) optical axis adjustment not performed correctly
  • Forward sensing camera (FSC) malfunction