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Home >> Lexus >> 2017 >> NX 200t Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostics - Introduction >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> Diagnosis System [09/2017 - 05/2019] >> Diagnosis System [09/2017 - 05/2019]
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Diagnosis System [09/2017 - 05/2019]

  1. CHECK DLC3 
    1. Check the DLC3.

      Refer to GENERAL INFORMATION [10/2014 - 05/2019]

  2. FUNCTION OF WARNING INDICATOR AND MESSAGE 
    1. If the LDA system is not functioning properly, the driver is warned by the LDA indicator and a warning message displayed on the multi-information display.
      Master Warning Indicator Warning Message Details DTC LDA Indicator
      Illuminated Lane Departure Alert Malfunction Visit Your Dealer Lane departure alert system (w/ steering control) is malfunctioning Stored Illuminates (yellow)
      Not illuminated Forward Camera System Unavailable
      • Abnormal forward recognition camera voltage
      • Forward recognition camera temperature outside of operational range
      • Other forward recognition camera malfunction
      Not stored Illuminates (yellow)
      Not illuminated Front Camera Unavailable
      Remove Debris On Windshield
      Forward recognition camera view is unclear Not stored Illuminates (yellow)
      Illuminated Lane Departure Alert Unavailable Sensor other than forward recognition camera sensor is temporarily disabled Not stored Illuminates (yellow)

      HINT: 

      LDA INDICATOR STATUS

      LDA Indicator Condition
      Illuminates (yellow) The lane departure alert system (w/ steering control) is malfunctioning or temporarily disabled
      Blinks (yellow) Lane departure alert function is operating
      Illuminates (green) Lane departure alert steering control function*
      Illuminates (white) Monitoring lane departure
      Not illuminated Lane departure alert system (w/ steering control) are not operating

      *If the lane departure alert function operates while the lane departure alert streeing control function is operating, the LDA indicator blinks (yellow).