Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

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	Link
System does not operate at all	Proceed to "Power Source Circuit"
	CAN communication system
	Blind spot monitor sensor LH (Master)
System cannot be turned off	CAN communication system
System cannot be turned off	Blind spot monitor sensor LH (Master)
"Blind Spot Monitor Unavailable" or "Blind Spot Monitor System Malfunction Visit Your Dealer" is displayed on the multi-information display	Check abnormality history
	Blind spot monitor sensor RH (Slave)
	Blind spot monitor sensor LH (Master)
	Combination meter assembly

Blind Spot Monitor Function

Symptom	Suspected Area	Link
Outer rear view mirror indicator RH does not illuminate	Proceed to "Blind Spot Monitor Beam Axis Confirmation"
	Outer mirror RH
	Outer rear view mirror assembly RH
	Blind spot monitor sensor RH (Slave)
Outer rear view mirror indicator LH does not illuminate	Proceed to "Blind Spot Monitor Beam Axis Confirmation"
	Outer mirror LH
	Outer rear view mirror assembly LH
	Blind spot monitor sensor LH (Master)
Outer rear view mirror indicator RH remains illuminated	Proceed to "Blind Spot Monitor Beam Axis Confirmation"
Outer rear view mirror indicator RH remains illuminated	Blind spot monitor sensor RH (Slave)
Outer rear view mirror indicator LH remains illuminated	Proceed to "Blind Spot Monitor Beam Axis Confirmation"
Outer rear view mirror indicator LH remains illuminated	Blind spot monitor sensor LH (Master)
Outer rear view mirror indicator RH does not flash	Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section
Outer rear view mirror indicator RH does not flash	Blind spot monitor sensor RH (Slave)
Outer rear view mirror indicator LH does not flash	Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section
Outer rear view mirror indicator LH does not flash	Blind spot monitor sensor LH (Master)
Outer rear view mirror indicator RH continues to flash	Blind spot monitor sensor RH (Slave)
Outer rear view mirror indicator LH continues to flash	Blind spot monitor sensor LH (Master)

RCTA Function

Symptom	Suspected Area	Link
Function does not operate at all (Blind spot monitor function operates normally)	Data List / Active Test (Reverse)
Continuously Variable Transaxle System (for K114)
Blind spot monitor sensor RH (Slave)

Symptom

Suspected Area

Link

Function does not operate at all

(Blind spot monitor function operates normally)

Data List / Active Test (Reverse)

Continuously Variable Transaxle System (for K114)

Blind spot monitor sensor RH (Slave)

Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE BLIND SPOT MONITOR SYSTEM (a) Customizing with the Techstream NOTICE: When the customer requests a change in a function, first make sure that the functio ...

DIAGNOSIS SYSTEM DESCRIPTION (a) 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 malfuncti ...

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Toyota CH-R Service Manual: Problem Symptoms Table

Customize Parameters

Diagnosis System

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