| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000001980J |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: PROBLEM SYMPTOMS TABLE; 2018 - 2020 MY Sienna [11/2017 - ] | ||
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 |
See page |
|---|---|---|
|
System does not operate at all (both the blind spot monitor function and rear cross traffic alert function do not operate) |
CAN communication system |
|
|
Meter / gauge system |
|
|
|
Proceed to "Power Source Circuit" |
|
|
|
Steering pad switch assembly |
||
|
Spiral cable with sensor sub-assembly |
|
|
|
Blind spot monitor sensor RH |
|
|
|
System cannot be turned off |
CAN communication system |
|
|
Meter / gauge system |
|
|
|
Steering pad switch assembly |
||
|
Spiral cable with sensor sub-assembly |
|
|
|
Blind spot monitor sensor RH |
|
|
|
BSM not available or "Check BSM System" is displayed on the multi-information display |
Check abnormality history |
|
|
Blind spot monitor sensor RH |
|
|
|
Blind spot monitor sensor LH |
|
|
|
Combination meter assembly |
|
|
|
"Rear Cross Traffic Alert Unavailable" or "Rear Cross Traffic Alert Malfunction Visit Your Dealer" is displayed on the multi-information display |
Check abnormality history |
|
|
Blind spot monitor sensor RH |
|
|
|
Blind spot monitor sensor LH |
|
|
|
Combination meter assembly |
|
![2018 - 2020 MY Sienna [11/2017 - ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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" |
|
|
Outer rear view mirror RH |
|
|
|
Outer rear view mirror assembly RH |
|
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH does not illuminate |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Outer rear view mirror LH |
|
|
|
Outer rear view mirror assembly LH |
|
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH remains illuminated |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH remains illuminated |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH does not flash |
Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section |
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH does not flash |
Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section |
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH continues to flash |
Blind spot monitor sensor RH |
|
|
Outer rear view mirror indicator LH continues to flash |
Blind spot monitor sensor LH |
|
Rear Cross Traffic Alert Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Function does not operate at all (the blind spot monitor function operates normally) |
Data list / active test (Reverse (Only for AT/CVT)) |
|
|
Automatic transaxle system (for UA80E) |
|
|
|
Automatic transaxle system (for UA80F) |
|
|
|
Blind spot monitor sensor LH |
|
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