Diagnosis System [12/2019 - 11/2023]

1. Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and to perform repairs.

1. Check the DLC3.

   Refer to GENERAL INFORMATION [12/2019 - ]

1. The blind spot monitor system displays an error message on the multi-information display to inform the driver that the system is unavailable either temporarily or due to a malfunction.
   • When the system is unavailable temporarily:

     Multi-information display displays "Blind Spot Monitor Unavailable".

   • When the system is unavailable due to a malfunction:

     Multi-information display displays "Blind Spot Monitor Malfunction Visit Your Dealer".

2. The RCTA function displays an error message on the multi-information display to inform the driver that the system is unavailable either temporarily or due to a malfunction. (w/o Parking Support Brake System)
   • When the function is unavailable temporarily:

     Multi-information display displays "Rear Cross Traffic Alert Unavailable".

   • When the function is unavailable due to a malfunction:

     Multi-information display displays "Rear Cross Traffic Alert Malfunction Visit Your Dealer".

HINT: 

The abnormality history for a blind spot monitor sensor can be displayed or cleared.

1. Check abnormality history
   1. Connect the GTS to the DLC3.
   2. Turn the ignition switch to ON.
   3. Turn the GTS on.
   4. Turn the blind spot monitor system on.
   5. Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Monitor Slave / Utility / BSM Master Abnormal History or BSM Slave Abnormal History.

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Abnormal History

      Body Electrical > Blind Spot Monitor Slave > Utility 

      Tester Display
      BSM Slave Abnormal History

   6. Check the results displayed for the abnormality history check.

      HINT: 

      • If "Yes" is displayed, check the suspected area column for each item.
      • Abnormality history is stored only for the blind spot monitor sensor for which an abnormality has been detected.
      • If "No" is displayed, refer to Problem Symptoms Table.

        Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022] , or refer to PROBLEM SYMPTOMS TABLE [10/2022 - 11/2023] 

      ABNORMALITY HISTORY TABLE
      
      

      Tester Display	Item Explanation	Suspected Area
      History of Module Blockage	History of blind spot monitor sensor detection problems due to snow, rain, etc. on the bumper	Check if a bumper that is not compatible with the blind spot monitor sensors (such as a non-genuine part) is installed Check if any foreign matter is attached to the bumper Check if any foreign matter is present between the bumper and sensors
      History of Low Voltage	History of low supply auxiliary battery voltage from auxiliary battery to the blind spot monitor sensor	Power Source Circuit Refer to Power Source Circuit [12/2019 - 11/2023]
      History of High Voltage	History of high supply auxiliary battery voltage from auxiliary battery to the blind spot monitor sensor
      History of Low Temperature	History of low temperature for the blind spot monitor sensor	Check the outside temperature Check if any foreign matter is attached to the blind spot monitor sensors and their surrounding areas
      History of High Temperature	History of high temperature for the blind spot monitor sensor

2. Clearing abnormality history
   1. Connect the GTS to the DLC3.
   2. Turn the ignition switch to ON.
   3. Turn the GTS on.
   4. Turn the blind spot monitor system on.
   5. Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Monitor Slave / Utility / BSM Master Abnormal History or BSM Slave Abnormal History.

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Abnormal History

      Body Electrical > Blind Spot Monitor Slave > Utility 

      Tester Display
      BSM Slave Abnormal History

   6. Clear the abnormality history.