OBDSTAR P50 Airbag Reset Tool can reset (repair) AITO R7F701A033 airbag ECU by Bench without any issue. Make sure the network is normal. Sometimes, it may fail to erase crash using the standard Pinout. You need to read the data, and write all data via MP001. If it still fails, need to write All Data Auto Repair via MP001 programmer. Check the detailed guide below.
Preparation:
OBDSTAR P50
OBDSTAR MP001 Programmer
OBDSTAR P004 Adapter
OBDSTAR Airbag jumper
OBDSTAR C4-01
OBDSTAR Main cable
OBDSTAR W004 read/write soldering wire
OBDSTAR W005 read/write soldering wire
AITO 3658100-RK01 (BOSCH) R7F701A033 airbag ECU
Menu function path:
Select Crash Reset>> AIRBAG RESET>> AIRBAG RESET V30.95>> rk01>> AITO 3658100-RK01 (BOSCH) R7F701A033
Wiring diagram:
| ECU | TOOL |
| A-Pin 16 | 12V (16) |
| A-Pin 17 | GND (4+5) |
| A-Pin 32 | CAN L (14) |
| A-Pin 31 | CAN H (6) |
When using this diagram, it can read the ECU info and DTC but fails to erase the crash.
Please kindly note:
The support range for AITO’s airbag ECUs extends up to the year 2023, with airbags from before
December 2020 is repairable through the BENCH mode. Practical tests reveal two repair cases for 2021-2022 airbags under the same part number: one involves merely unlocking the chip, while the other necessitates unlocking followed by additional data processing.
Use “Advanced function” to operate:
1.Read all data (BENCH)
2.Write all data (MP001) original data
Check the Pinout in this option
Open the cover of the airbag ECU and solder the wires according to the wiring diagram
Use MP001 Programmer and C4-01 to connect the wiring
After the connection is complete, proceed to write the original data just backed up
Writing is successful
Check the previous wiring diagram, and use P004 Adapter with the jumper to connect the airbag ECU again
If it still fails to erase the crash, select “Write All Data (MP001) Auto Repair” in the “Advanced function”.
Connect the wiring by OBDSTAR MP001 and C4-01 according to the diagram in this option
Then start to write all data auto repair
Writing is successful
Finally, use P004 Adapter with the jumper to connect the airbag ECU and P50 again.
Erase crash and DTC successfully.
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