Customer problem:
I can’t virginize cr3.23 mercedes ecu. Can you help me do this with Autel IM608?
Eobdtool.co.uk engineer gives the suggestion below.
Please refer to the Mercedes W212 Delphi ECU CRD3.10 ECU to read and get the special key number from ECU with IM508.
Though the Bosch ECU type is different, the operation steps are the same by I508 and IM608 series (IM508S/IM608II).
Go to Control Unit>> Engine (ECU)
The wiring diagram of CRD2.xx and CRD.11 is a little different.
We follow the crd2.xx wiring diagram to connect Autel key programmer and Mercedes ECU
When we read engine ECU info, it prompts that “The testing device cannot communicate with ECU!”
So we choose CRD.11 wiring diagram to try
Be sure there's 12v to 13v, and don't forget 120ohm resistance between CANBUS
The cable marked is not required.
It can read the engine ECU data successfully.
Remember to save the engine data info as well.
Customer’s feedback:
Thanks! Now I can virginize the ECU.
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