Problem Symptoms Table [10/2023 - ]
NOTE:
- If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
- Perform the initialization procedure and stored memory will be reset.
- Before inspecting parts for malfunctions, inspect the fuses and relays of related systems.
HINT:
After replacing the position control ECU assembly, seat assembly, front seat inner belt assembly and parts (including removal and installation), initialize the position control ECU assembly.
w/ Front LiDAR Sensor: Refer to REGISTRATION [10/2023 - ]
w/o Front LiDAR Sensor: Refer to REGISTRATION [10/2023 - ]
EASY ACCESS BUCKLE SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| The driver side seat belt does not rise/descend (under the appropriate conditions*) | Proceed to "The driver side easy access buckle function setting does not operate" | Refer to Driver Seat Easy Access Buckle Function does not Operate [10/2023 - ] |
| The front passenger side seat belt does not rise/descend (under the appropriate conditions*) | Proceed to "The passenger side easy access buckle function setting does not operate" | Refer to Front Passenger Seat Easy Access Buckle Function does not Operate [10/2023 - ] |
| The driver side seat belt rises/descends unexpectedly | Position control ECU assembly | Refer to DISASSEMBLY [10/2023 - ] |
| The front passenger side seat belt rises/descends unexpectedly | The No. 2 position control ECU assembly | Refer to DISASSEMBLY [10/2023 - ] |
| Illumination function does not illuminate/turn off (seat belt rises/descends normally) | Proceed to "Illumination circuit" | Refer to Illumination Circuit [10/2023 - ] |
| The driver side seat belt stops rising/descending during operation (under the appropriate conditions*) | Front seat inner belt assembly LH | Refer to INSPECTION [10/2017 - ] |
| The front passenger side seat belt stops rising/descending during operation (under the appropriate conditions*) | Front seat inner belt assembly RH | Refer to INSPECTION [10/2017 - ] |
| The driver and front passenger side seat belts do not rise/descend | Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [10/2023 - ] |
*: For the appropriate conditions, Refer to OPERATION CHECK [10/2017 - ]