Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026ZEJ
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): PROBLEM SYMPTOMS TABLE; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

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

Check that the CAN communication system is operating normally*2

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the CAN communication system is operating normally*1

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the Entry and Start System (for Start Function) is operating normally

-

Check that the meter / gauge system isoperating normally

-

Proceed to "Power Source Circuit"

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): Power Source Circuit

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

System cannot be turned off

Check that the CAN communication system is operating normally*2

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the CAN communication system is operating normally*1

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the meter / gauge system isoperating normally

-

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

"[Blind Spot Monitor System icon] System Malfunction Visit Your Dealer" or "[Blind Spot Monitor System icon] System Stopped See Owner's Manual" is displayed on the multi-information display

Check vehicle control history

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): VEHICLE CONTROL HISTORY (RoB)

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Combination meter assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

"[Rear Cross Traffic Alert Buzzer System icon] System Malfunction Visit Your Dealer" or "[Rear Cross Traffic Alert Buzzer System icon] System Stopped See Owner's Manual" is displayed on the multi-information display*3

Check vehicle control history

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): VEHICLE CONTROL HISTORY (RoB)

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Combination meter assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

"[Safe Exit Assist System icon] System Malfunction Visit Your Dealer" or "[Safe Exit Assist System icon] System Stopped See Owner's Manual" is displayed on the multi-information display*2

Check vehicle control history

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): VEHICLE CONTROL HISTORY (RoB)

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Combination meter assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

  • *1: for Gasoline Model
  • *2: for HV Model
  • *3: w/ RCTA Function

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"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT

Outer mirror RH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: REMOVAL

Outer mirror retractor RH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

Outer rear view mirror assembly RH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator LH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT

Outer mirror LH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR GLASS: REMOVAL

Outer mirror retractor LH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

Outer rear view mirror assembly LH

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator RH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator LH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator RH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (EXT): LIGHTING SYSTEM (for TMC Made): PROBLEM SYMPTOMS TABLE

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator LH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (EXT): LIGHTING SYSTEM (for TMC Made): PROBLEM SYMPTOMS TABLE

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator RH continues to flash

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Outer rear view mirror indicator LH continues to flash

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

SEA (Safe Exit Assist) Function

Symptom

Suspected Area

Link

Safe exit assist system does not operate

Check that the meter / gauge system is operating normally

-

When the safe exit assist system is operating, the outer rear view mirror indicator illuminates and a notification is displayed on the multi-information display, but the buzzer does not sound

Check meter buzzer operation*1

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for 12.3 Inch Display): DATA LIST / ACTIVE TEST

Check meter buzzer operation*2

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (except 12.3 Inch Display): DATA LIST / ACTIVE TEST

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Even though the outer rear view mirror indicator is illuminated when the vehicle is stopped, the outer rear view mirror indicator does not flash, a notification is not displayed on the multi-display and the buzzer does not sound when a door is opened

Check that the door courtesy switch of each door is not stuck

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (INT): LIGHTING SYSTEM (except TMMMS Made): PROBLEM SYMPTOMS TABLE

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Even though the vehicle is stopped and all doors are closed, the outer rear view mirror indicator flashes, a notification is displayed on the multi-display and the buzzer sounds

Check that the door courtesy switch of each door is not stuck

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (INT): LIGHTING SYSTEM (except TMMMS Made): PROBLEM SYMPTOMS TABLE

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

  • *1: for 12.3 Inch Display
  • *2: except 12.3 Inch Display

RCTA Function (w/ RCTA Function)

Symptom

Suspected Area

Link

Function does not operate at all

(Blind spot monitor function operates normally)

Data list / active test (Shift Position R)

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM (w/ Safe Exit Assist Function): DATA LIST / ACTIVE TEST

Check that the Hybrid control system is operating normally*1

-

Check that the Continuously Variable Transaxle system is operating normally*3

-

Check that the Manual Transaxle System isoperating normally*4

-

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

While RCTA function is active, outer rear view mirror indicator flashes but RCTA buzzer does not sound

Check that the CAN communication system is operating normally*2

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the CAN communication system is operating normally*1

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the meter / gauge system is operating normally

-

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

When shift lever is in R, detection operation is normal but RCTA indicator does not appear on radio and display receiver assembly

Check that the CAN communication system is operating normally*2

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the CAN communication system is operating normally*1

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING

Check that the parking assist monitor system is operating normally*5

-

Check that the Audio and visual system is operating normally

-

Rear television camera assembly*5, *6

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA: REMOVAL

Rear television camera assembly*5, *7

2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA (for Sedan): REMOVAL

Blind spot monitor sensor RH (A)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Blind spot monitor sensor LH (B)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

Radio and display receiver assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

  • *1: for HV Model
  • *2: for Gasoline Model
  • *3: for CVT
  • *4: for M/T
  • *5: w/ Parking Assist Monitor System
  • *6: for Hatchback
  • *7: for Sedan