COMMENTS ON TROUBLE SYMPTOM
When the LDW does not enter the warning monitor mode, any of the followings are suspected: bad weather (heavy rain, snow, icing), unfavorable road condition, ambient environment, blocked FCM/LDW/AHB-ECU sensor or its surroundings (scratches, contamination, icing, fog on the windshield or the sensor), or a faulty FCM/LDW/AHB-ECU.
note | The system does not proceed to the warning monitor mode when any of the followings is satisfied:- Narrow road [width: less than 2.5 mm (0.1 in)]
- The road where white and yellow lines intersect
- The road where the distances among two white and one yellow lines are narrow
- The road where the distances among one white and two yellow lines are narrow
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