Hi everyone. Sorry for my English Just bought Prime 17 with only 7k miles but after accident. Need to repair front of the car. The car is not driving, it has a lot of issues, but the main is lost connection with HV control and HV battery. Checked the can connection with Techstream, that is what I have: Also I bought a service manual on repairsurge, and found where connectors 7 and 5 located on scheme, but the shceme is very poor and I dont know where to look for it. Does anybody know what should I do next, where these connectors located or its just need to be repaired and these problems will gone. Maybe its sort of caution. Now there is no radar, a lot of airbags deployed, no fans and radiators, also a new key made. Regards
Looks like a huge project. You probably need the Toyota service manual. It's online but I don't know the link, especially for Ukraine. Maybe @Elektroingenieur would have that information and could provide it if he's available.
Those illustrations look like the ones that would be in Toyota's Repair Manual, so the manual purchased on repairsurge might be a (licensed or unlicensed) reproduction of it. If so, it should have a whole rather large section "CAN communication system" that gives more detail on troubleshooting such problems, including which tests where will be most helpful based on what isn't communicating with what. The CAN junctions within the instrument panel are probably easiest to find with the upper instrument panel removed. The manual should also have a section with instructions for doing that. It's typically straightforward to remove, if somewhat tedious. The no. 7 junction looks as if you should find it behind the left quarter inside trim. Again, the manual should contain the procedure for removing that.
Well, yes, I bought official repair service manual for this car. I already found all the junction connectors, test them how it's said in manual, in 7 junction connector there is no resistance to battery ECU assembly and EV charger assembly. The resistance must be 200 ohm or higher. So I think that is where the problem is. BUT. yesterday I found in manual, that when collision occurs, ECU cuts off HV battery for safety. It takes information from airbags deployment. I have airbags deployed, so maybe I just need to repair airbags, clean all DTC and HV will be working? I didn't find information about it in manual yet.
Well, I have some progress, thanks to the manual i bought. So i put the resistors instead of all deployed airbags to check and Hybrid Control ECU started work. At least I have no lost connection in No 5 Junction connector. Now I have only one big problem with the connection in No 7 Junction connector which is connects with the HV battery.
