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Solved ✔ G30 ACC retrofit flexray issue SOLVED
19-08-2022, 19:11 PM,
Post: #1
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G30 ACC retrofit flexray issue SOLVED
Hi guys, I am making retrofit of ACC in BMW G30 M550i.
So far I installed: Front ACC radar SAS module All include wiring: ACC - ethernet - SAS - flexray and ethernet - BDC. ACC and SAS are on 1 7,5A fuse F91, clamp 15. I changed DSC module for a correct one with ACC support and steering wheel buttons for ACC option. After hardware part the codings came on, I did: Added 5DF into VO Coded and programmed DSC, FRR to latest SW to match other units i-level in a car. No problem with appearing in units tree. I have a problem with SAS module. I can´t see it in a unit tree... I tried already: Reset flexray by ISTA In tool32 I tried: steuren_learn_flexray (all flexray ports were open, ista complained about flexray not initialisated) After initialisation still the PFAD 3 was AUS. steuern_flexray_pfad with 0x03;0x01 command (PFAD 3 was changed to EIN, ista complained about initialisation and still no SAS in esys unit list). But the ACC was working OK!! Until I let the car sleep... (it made propably flexray initialisation and closed the PFAD 3 port). I tried the SAS unit in another G30 where it was from factory. Unit was correctly shown, so the unit is OK. So I at least coded it with M550i VO with different VIN. With M550i VIN it ended with an error. I checked the wiring three times maybe. I tried to change flexray and ethernet wires between each other and still no joy with SAS. Only one result was that FRR module stopped to be visible. I think some comunication between BDC and FRR thru SAS is going on even when I had ACC working for a while. But I need to have something bad with the flexray but I don´t know what and I run out of ideas already... Car is m550i 2018 G30, imported from US and recoded to EU. Coding to DSC I made with US cartype JB93, codings to FRR, KAFAS4, KOMBI, and BDC I made with JB91 (with custom modifications to BDC because of some US hardware in a car). FRR have no error in ISTA, same with BDC, only GTW is complaing about the flexray initialisation, when it is not done. Just for a check I attached BDC 5FA9 NCD file, rest of CAFDs when I compared before 5DF and after had no differences. Any hits what to try now??? I´ve run of ideas already... Thanks! |