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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Blind Spot Monitor System - Diagnostics - Introduction >> Blind Spot Monitor System >> Problem Symptoms Table [08/2015 - 10/2016] >> Problem Symptoms Table [08/2015 - 10/2016]

Problem Symptoms Table [08/2015 - 10/2016]

HINT: 

ENTIRE SYSTEM

Symptom Suspected Area Link
System does not operate at all Proceed to "Power Source Circuit" Refer to Power Source Circuit [04/2013 - 10/2016]
Proceed to "Main Switch Circuit" Refer to Main Switch Circuit [04/2013 - 09/2020]
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
System cannot be turned off Proceed to "Main Switch Circuit" Refer to Main Switch Circuit [04/2013 - 09/2020]
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
"BSM not available" or "Check BSM System" is displayed on the multi-information display Check abnormality history Refer to DIAGNOSIS SYSTEM [04/2013 - 10/2016] 
Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
Combination meter assembly Refer to REMOVAL [04/2013 - 10/2016]
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" Refer to OPERATION CHECK [04/2013 - 10/2016] 
Outer mirror RH Refer to REMOVAL [04/2013 - 09/2020]
Outer mirror control ECU assembly RH*1 Refer to REMOVAL [04/2013 - ]
Outer rear view mirror assembly RH Refer to REMOVAL [04/2013 - 10/2016]
Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator LH does not illuminate Proceed to "Blind Spot Monitor Beam Axis Confirmation" Refer to OPERATION CHECK [04/2013 - 10/2016] 
Outer mirror LH Refer to REMOVAL [04/2013 - 09/2020]
Outer mirror control ECU assembly LH*1 Refer to REMOVAL [04/2013 - ]
Outer rear view mirror assembly LH Refer to REMOVAL [04/2013 - 10/2016]
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator RH remains illuminated Proceed to "Blind Spot Monitor Beam Axis Confirmation" Refer to OPERATION CHECK [04/2013 - 10/2016] 
Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator LH remains illuminated Proceed to "Blind Spot Monitor Beam Axis Confirmation" Refer to OPERATION CHECK [04/2013 - 10/2016] 
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator RH does not flash Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) service information Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 10/2016]
Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator LH does not flash Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) service information Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 10/2016]
Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator RH continues to flash Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
Outer rear view mirror indicator LH continues to flash Blind spot monitor sensor LH Refer to REMOVAL [04/2013 - 10/2016]
  1. *1: w/ Seat Memory
REAR CROSS TRAFFIC ALERT FUNCTION

Symptom Suspected Area Link
Function does not operate at all
(Blind spot monitor function operates normally)
Data list / active test (Reverse) Refer to DATA LIST / ACTIVE TEST [04/2013 - 10/2016] 
Automatic transmission system (A760H) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 10/2017]
Automatic transmission system (AA81E)*2 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]
Automatic transmission system (AA81E)*3 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 10/2017]
Blind spot monitor sensor RH Refer to REMOVAL [04/2013 - 10/2016]
  1. *2: for 8AR-FTS
  2. *3: for 2GR-FSE