Launch X431 Tesla Airbag Repair SRS Crash Data Reset Designated Connector

Product Description

Launch X431 Tesla Airbag Repair Designated Connector

This adapter is designed to connect modern diagnostic scanners with OBD2 connector to TESLA vehicles (2019, 2020, 2021 Model 3 and Model Y). Tesla (SRS Airbag) for diagnosing airbags.

To reset Tesla airbag crash data, you will need Launch X431 scanner (PAD VII, PAD V, X431 V 8inch, X431 V+, Pro5, Pros V1.0, Pros V5.0, Pro3s+, Pad II, X431 Throttle etc) , Tesla software license and this dedicated airbag connector.

Packing List
1pc x Tesla Airbag Repair Designated Connector

NOTE: The airbag connector is included in the X431 EV Kit. If you have the EV Kit, don't need to buy the adapter separately. 

 

1). Model X airbag control module pinout

+12V: 12V Power

GND: Ground
CAN_H: CAN High
CAN_L: CAN LOW

 

Model X Tesla airbag connector connection diagram:

2). Model S airbag control module pinout

PW: Jump wire, short the two positions to enable it to write EEPROM;

+12V: 12V Power

GND: Ground
CAN_H: CAN High
CAN_L: CAN LOW

 

Model S Tesla airbag connector connection diagram:

Check airbag reset example in the end. 
 

3). Model 3 airbag control module pinout

Model 3 Tesla airbag connector connection diagram:

4). Model 3/Y Airbag Unlock Wiring Diagram

Resetting airbag crash data software operation guide:

Model example: Tesla Model S

 

Tesla Model S Airbag ECU connection position

Airbag ECU wiring diagram

PW: Power wiring, wire two position to write EEPROM.

+12V: 12V power supply

GND: Ground wire

CAN_H: CAN high

CAN_L: CAN low
 

Resetting airbag crash data software operation procedure

Go into Tesla software, select Model S->Special Function->Service AIRBAG,as shown in figure 1, or select Model S-> System Selection–> SDM Airbag-> Special Function, as shown in figure 2, it will display the following menu.

Read airbag ECU memory, select Read EEPROM menu, when reading is done, input backup file name, select backup file storage directory, data backup is done.

Input backup file name, for example “Model_s_20210520”

Click “OK”to backup data.

Read EEPROM and backup finished

Erase crash record, go into Erase Crash Record menu, the software will run for several seconds and will automatically finish it.

Re-write airbag ECU battery backup data, select “Write EEProm” menu.

Select backup file

Click “Model_s_20210520.bin” to select back file

Click “OK”button

Edit backup data. Press [YES] to use default data. Press [Auto Set] to automatically modify value (recommended). Press [Memory Dump] to manually modify backup data.

If you press [Auto Set], it will skip this procedure. Press [Memory Dump], you can manually modify backup data. Start address is where the system starts to read backup data and it can be modified manually. After entering start address, press [Confirm] to write modified data, click [Restore] to recover it to old value.

Write Data

Perform “Clear Fault Code” function, and then put airbag ECU back on vehicle.

If you find the above procedure is cumbersome, please click [Crash Data Resetting Automatically] menu, it will automatically perform all procedures.

SUGGESTION:


 


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