BLIND SPOT MONITOR SYSTEM DIAGNOSIS SYSTEM

DESCRIPTION

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 repair it.

CHECK DLC3

1. Check the DLC3.

   Click here

DIAGNOSIS FUNCTION

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 "BSM not available".

   • When the system is unavailable due to a malfunction:

     Multi-information display displays "Check BSM System".

ABNORMALITY HISTORY

1. Check abnormality history

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Turn the blind spot monitor main switch (warning canceling switch assembly) 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.

      
      
      1. Body Electrical > Blind Spot Monitor Master > Utility

         Tester Display
         BSM Master Abnormal History

      2. 
         
         1. 
            
      3. 
         
         10. 
             
      
      
      1. Body Electrical > Blind Spot Monitor Slave > Utility

         Tester Display
         BSM Slave Abnormal History

      2. 
         
         1. 
            
      3. 
         
         10. 
             

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

      Tip:
      

      • 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.

        Click here

      Table 1. 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 compatible with the blind spot monitor (such as an original equipment bumper) 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 Click here
      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 power switch on (IG).

   3. Turn the GTS on.

   4. Turn the blind spot monitor main switch (warning canceling switch assembly) 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.

      
      
      1. Body Electrical > Blind Spot Monitor Master > Utility

         Tester Display
         BSM Master Abnormal History

      2. 
         
         1. 
            
      3. 
         
         10. 
             
      
      
      1. Body Electrical > Blind Spot Monitor Slave > Utility

         Tester Display
         BSM Slave Abnormal History

      2. 
         
         1. 
            
      3. 
         
         10. 
             

   6. Clear the abnormal history.