Mercedes W222 A/C Control Unit Programming using CG100X

Here we got a Mercedes W222 2018 and we need to remove the old A/C control unit and install a new one.

mercedes-w222-ac-control-unit-programming-using-cg100x-0

First, we need to read the Renesas chip.

mercedes-w222-ac-control-unit-programming-using-cg100x-1

Start CG100X software.

Select

Programmer>>Renesas>>RH850>>R7F701064

Wiring diagram of 144pins.

mercedes-w222-ac-control-unit-programming-using-cg100x-2

Connect to old module by soldering.

mercedes-w222-ac-control-unit-programming-using-cg100x-3

mercedes-w222-ac-control-unit-programming-using-cg100x-4

Read D-flash.

mercedes-w222-ac-control-unit-programming-using-cg100x-5

Read P-flash.

mercedes-w222-ac-control-unit-programming-using-cg100x-6

Read OPBT0.

mercedes-w222-ac-control-unit-programming-using-cg100x-7

Read Boot.

mercedes-w222-ac-control-unit-programming-using-cg100x-8

Connect to new module.

mercedes-w222-ac-control-unit-programming-using-cg100x-9

Write original data to new module.

mercedes-w222-ac-control-unit-programming-using-cg100x-10

mercedes-w222-ac-control-unit-programming-using-cg100x-11

Installed back and everything goes well.

mercedes-w222-ac-control-unit-programming-using-cg100x-12

Done! That’s how to clone AC control unit using CGDI CG100X.

https://www.cardiagtool.co.uk

Skype: cardiag.co.uk

WhatsApp: https://wa.me/8615002705698