BLIND SPOT MONITOR SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Entire System
Symptom	Suspected Area	See page
System does not operate at all (both the blind spot monitor function and rear cross traffic alert function (w/ Rear Cross Traffic Alert) do not operate)	Proceed to "Power Source Circuit"	Click here
	Outer mirror switch assembly (blind spot monitor main switch)	Click here
	Blind spot monitor sensor LH	Click here
System cannot be turned off	Outer mirror switch assembly (blind spot monitor main switch)	Click here
System cannot be turned off	Blind spot monitor sensor LH	Click here
"BSM not available" is displayed on the multi-information display	Check abnormality history	Click here
	Blind spot monitor sensor RH	Click here
	Blind spot monitor sensor LH	Click here
"Check BSM system" is displayed on the multi-information display	Check abnormality history	Click here
	Blind spot monitor sensor RH	Click here
	Blind spot monitor sensor LH	Click here

Blind Spot Monitor Function
Symptom	Suspected Area	See page
Outer rear view mirror indicator RH does not illuminate	Proceed to "Blind Spot Monitor Beam Axis Confirmation"	Click here
	Outer rear view mirror RH	Click here
	Front multiplex network door ECU RH	Click here
	Outer rear view mirror assembly RH	Click here
	Blind spot monitor sensor RH	Click here
Outer rear view mirror indicator LH does not illuminate	Proceed to "Blind Spot Monitor Beam Axis Confirmation"	Click here
	Outer rear view mirror LH	Click here
	Outer rear view mirror assembly LH	Click here
	Front multiplex network door ECU LH	Click here
	Blind spot monitor sensor LH	Click here
Outer rear view mirror indicator RH remains illuminated	Proceed to "Blind Spot Monitor Beam Axis Confirmation"	Click here
Outer rear view mirror indicator RH remains illuminated	Blind spot monitor sensor RH	Click here
Outer rear view mirror indicator LH remains illuminated	Proceed to "Blind Spot Monitor Beam Axis Confirmation"	Click here
Outer rear view mirror indicator LH remains illuminated	Blind spot monitor sensor LH	Click here
Outer rear view mirror indicator RH does not flash	Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting section	Click here
Outer rear view mirror indicator RH does not flash	Blind spot monitor sensor RH	Click here
Outer rear view mirror indicator LH does not flash	Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting section	Click here
Outer rear view mirror indicator LH does not flash	Blind spot monitor sensor LH	Click here
Outer rear view mirror indicator RH continues to flash	Blind spot monitor sensor RH	Click here
Outer rear view mirror indicator LH continues to flash	Blind spot monitor sensor LH	Click here