9/08/2025

CG100X Reset ChangAn R7F701A033 RH850 Airbag

CGDI CG100X now supports airbag crash reset function for Renesas RH850 R7F701A033 airbags.

Here is an example of resetting ChangAn R7F701A033 airbag with CG100X in boot mode.

Part number: 3658100-AM52-AA

CG100X Reset ChangAn R7F701A033 RH850 Airbag 1

CG100X Reset ChangAn R7F701A033 RH850 Airbag 2

Processor: R7F701A033

CG100X Reset ChangAn R7F701A033 RH850 Airbag 3

In CG100X software, search part number: 3658100-AM52-AA- R7F701A033 encrypted.

If you cannot find part number in CG100X software, just search by processor. CG100X can also read processor data and reset airbag crash. There are 4 wiring diagram R7F701A033.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 4CG100X Reset ChangAn R7F701A033 RH850 Airbag 5

Check wiring diagram.
There are 2 types of airbag pinouts in boot mode.

Method 1 uses D2 adapter and method 2 uses D1 adapter.
With D1 adapter you need to weld a resistor; with D2 adapter, you does not need.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 6

Connect CG100X and the airbag module following the wiring diagram.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 7
Need to connect 12V power supply to the CG100X device.

Hit Read button to read data.
Read chip ID.
Read Dflash and Pflash data successfully. Save data.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 8

CG100X Reset ChangAn R7F701A033 RH850 Airbag 9

CG100X will ask to repair airbag.
Click Yes to reset airbag crash.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 10
This procedure needs to connect with network and access the server.

CG100X Reset ChangAn R7F701A033 RH850 Airbag 11

CG100X Reset ChangAn R7F701A033 RH850 Airbag 12

Operation completed.

Clear fault code.