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F07 used FRR/ACC install
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04-06-2023, 08:52 AM,
Post: #1
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F07 used FRR/ACC install
hello. I bought used radar for adaptive cruise control (FRR) and I am having truble to make it work.
Seller says its 100% working but ISTA shows no response from FRR unit. Sellers electronic guy is saying that it has to be "coded" with esys to work but I cant figure it out. Both ISTA and ESYS shows hwInstall action as needed and fail programming since they dont get a response from unit. I am not extremely familiar with ESYS so maybe I need to do something else, not programming. But my logic says that when contorl unit is not responding then it cant be coded/programmed or anything and therefore its faulty (other aspects as cables etc checked and ok). Can someone confirm me my opinion or help what to do with radar to make it work? Thank you |
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![[+]](https://cartechnology.co.uk/images/CarTechnologyTheCure/collapse_collapsed.png)
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04-06-2023, 09:39 AM,
Post: #2
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RE: F07 used FRR/ACC install
Hello,
before flashing, use ESys and do read ECU on coding tab, if you will see FRR on ECU tree, it is ok. If not, check wiring like voltage. Thorsten BMW OEM FSC codes for Apple CarPlay 143 and 17B, AndroidAuto 1CA, MGU and MGU21 region conversation and others
LINK |
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04-06-2023, 09:44 AM,
Post: #3
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RE: F07 used FRR/ACC install
no i cant see it on coding tab. only on svt
cables are OK, i measured them directly between ICM and LRR unit |
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04-06-2023, 09:44 AM,
Post: #4
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RE: F07 used FRR/ACC install
Is this a retrofit or are you replacing this unit?
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04-06-2023, 09:47 AM,
Post: #5
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RE: F07 used FRR/ACC install
replacing. car is original from factory with acc, no changes in VO at all
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04-06-2023, 09:52 AM,
Post: #6
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RE: F07 used FRR/ACC install
How have you determined that previous unit got bad??? Have you looked at the signals using oscilloscope? Or just parts cannon? At the VERY least have you measured resistance across S-CAN wires on FRR connector (as well as resistances to the power/ground)???
Because it now looks less and less likely your problem was/is the FRR unit... |
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04-06-2023, 10:00 AM,
Post: #7
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RE: F07 used FRR/ACC install
(04-06-2023, 09:44 AM)sineDko Wrote: no i cant see it on coding tab. only on svt ...this isnt a picture of coding tab after reading ECU... Thorsten BMW OEM FSC codes for Apple CarPlay 143 and 17B, AndroidAuto 1CA, MGU and MGU21 region conversation and others
LINK |
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04-06-2023, 10:05 AM,
Post: #8
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RE: F07 used FRR/ACC install
(04-06-2023, 09:52 AM)Node Wrote: How have you determined that previous unit got bad??? Have you looked at the signals using oscilloscope? Or just parts cannon? At the VERY least have you measured resistance across S-CAN wires on FRR connector (as well as resistances to the power/ground)??? Yes on both sides resistance is 120 ohms. No, havent checked with scope, just the resistance and voltage on scan cables that looks ok. Old one was sometime in the past damaged in crash, broken and then water damage all over the pcb inside radar. |
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11-06-2023, 19:48 PM,
Post: #9
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RE: F07 used FRR/ACC install
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12-06-2023, 07:33 AM,
Post: #10
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RE: F07 used FRR/ACC install
(04-06-2023, 08:52 AM)sineDko Wrote: hello. I bought used radar for adaptive cruise control (FRR) and I am having truble to make it work. The Ista picture you posted shows that the FRR is the wrong part Retrofit success 2VB,2TB,248,5AC,5AG,5AT,5AR,5DL,5DP,609,688,6AK,6CP,6NS,6WB,610,710,8TH
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