BLIND SPOT MONITOR SYSTEM DIAGNOSIS SYSTEM
DESCRIPTION
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
Check the DLC3.
DIAGNOSIS FUNCTION
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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 malfunction:
Multi-information display displays "Check BSM system".
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ABNORMALITY HISTORY
Tip:The abnormality history for a blind spot monitor sensor can be displayed or cleared.
Check abnormality history
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Turn the blind spot monitor system on.
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.
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, proceed to the next suspected area shown in Problem Symptoms Table.
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 battery voltage from auxiliary battery to the blind spot monitor sensor
Power Source Circuit.
History of High Voltage
History of high supply battery voltage from auxiliary battery to the blindv spot monitor sensor
History of Low Temperature
History of low temperature for the blind spot monitor sensor
Check the outside temperature
History of High Temperature
History of high temperature for the blind spot monitor sensor
Clearing abnormality history
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Turn the blind spot monitor system on.
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.
Clear the BSM Master Abnormal History and/or BSM Slave Abnormal History.