This really clears up some stuff, nice! Danksies Corporal. Nov 2, NoVA. I just don't have any soddering skills hahaha Danksies said:. AUbeast86 Sergeant. Nov 6, BFE. Here's a copy and paste from the description section on YouTube regarding mosfet details Had stuttering and weird DME codes and issues. Codes like 30BB and other misfire codes. V8bait Sergeant. Nov 2, Texas. Exactly my thoughts, and I don't have to go buying a hot air soldering station just for this V8bait said:.
You'd be surprised the things that hot air station comes in handy for once you have it. Softening adhesive on random things, phone screen replacement, making what little soldering I do have to do a breeze AzNdevil Sergeant. Nov 4, Hong Kong. But now I really do have to buy injectors. I may still get one eventually. The one on adafruit has good reviews. Which one do you have? I think I chose it for the free shipping lol, not sure how it compares to others but it blows my radio shack irons gas and electric and my electric heat gun out of the water.
Probably going to order a hot air station and do some practicing so I can do them for fellow locals. Dude left a message on my phone.Entering these error codes in Google search engine, the output is And no wonder, because…. The max allowed voltage of Uds is V, real-life measurements show — the voltage for ignition switches in short-term reaches the max allowed value and the transistor is entered in self-protection mode with increased heat dissipation, oscillation! But one thing is clear — it is only self-explanatory, that these IGBT transistors are getting damaged.
30BA/30BB. Repair of MSD80
In the picture: real signal oscillogram of MSD80 ignition coil management output. Upeak reaches Of course, the damaged component has to be replaced, otherwise, there will be non-deletable errors relating to misfires in the unit. To solve this issue the snubbers have to be installed as described here. What happens, if any of the injectors management transistors low-side drivers are getting damaged?Matrix addition using dynamic memory allocation in c
Detailed descrition of the problem read here. In the image: the bottom part of top PCB: transistor drivers for ignition coils and low-side injectors switches; peripheral MCU, etc. If even one of the transistors is getting damaged, MSD80 is not able to manage all remaining injectors of exact bank and switches off all injectors of an exact bank. Measure the resistance between its Drain and Source. If the transistor is damaged, there will be a short circuit.
Its nominal 0. The resistor, which is included in Gate circuit placed on a bottom layer of PCB has to be checked, its nominal Ohm.
If the resistor is damaged, the IC of the driver also has to be checked. For ignition problems — signal on Gate Base of switches needs to be checked using an oscilloscope. Transistors of IRF are recommended to replace with more modern analogs and snubbers have to be installed in an obligatory manner, as mentioned here. As an alternative, for example, SiHB30N60 can be used.
A comparison of basic parameters is seen in the table. As can be seen, SiHB30N60 provides higher current, significantly higher max allowed Uds voltagewill ensure less conductive losses — it will heat less.
It is recommended to choose Tfall as high as possible, so at the moment, when MOSFET closes, the Uds rip-off would be as small as possible in the first few hundreds of ns. Evaluation is complicated by the fact, that for some transistors this parameter is shown by different R Gate, but a comparative picture can be obtained. Part 2; Part 3 and Part 4. Skip to content. Problems with injectors low-side drivers switches.
Some images, how does the MSD80 management unit looks like. Output cascades of injectors management.Modify ikea pax wardrobe
What else has to check? Replacement of transistor. Parameters, which have to be taking in the account: It is recommended to choose Tfall as high as possible, so at the moment, when MOSFET closes, the Uds rip-off would be as small as possible in the first few hundreds of ns.
In the image: in the repair process, looking at the PCB with a microscope. In the image: damaged transistor soldered out.
In the image: new transistor soldered in.User Name Remember Me? Same thing happened to me. Originally Posted by Jt Originally Posted by omarmarji. Happened to me about 2.
I had all 6 replaced at a TV repair shop. No issues since. Ordered the chips from DigiKey. I believe it was this one. Same thing happened to me right after I bought my E Loaded Stage 1 in there to try it out, made boost and bam fried the coil and mosfet. I ordered the mosfets, but before I had a chance to install them, I found out that I was still covered under the emissions warranty to 8 year 80K miles.
I was nothing out of pocket. Originally Posted by dlp When the mosfet goes, it can take out the coil and or injector. I guess I got lucky. Just dropped the DME back in the car and hooked everything back up. No coil, injector or plug damage.
At the time my happened I had 85k miles and missed the emissions warranty. I pushed but BMW refused. Thanks guys, I'll definitely replace all 6 while in there. Yah it seems this issue is super common, kind of weird.
Bmw i Does anybody know a place online from where I can order good quality mosfets that are more resistent? Where can I order good qualituly mosfets that are more resistant than the originals one?? Originally Posted by Joi.
Stock had a defect. I replaced at 85k and no issue since. I have Thats what 55k? Give or take.How to use systran api
I am too scared to put back mhd now. I have put index 12 injectors. And new plugs and coils. Still terrified lol.This will cause an injector to stop delivering fuel and an engine misfire to occur. The check engine light will be ON with the related Fault Codes error messages :.
This article and video shows you how to diagnose these fault codes and test the signal from the DME to the fuel injectors. These fault codes set when fuel injectors on bank 1 or bank 2 develop circuit faults or an injector MOSFET driver fails. Most times these fault codes will be permanent and will not clear.
However there are situations where the fault codes will set intermittently. Keep that in mind when diagnosing. When diagnosing Piezo fuel injector fault codes it is a good idea to begin by checking fuel injector voltage and current using a scope. This can help to narrow down the cause of the fault code, the injector, circuit or DME injector driver.
Locate the injector wiring harness for the fuel injector you want to test. Our subject vehicle has a code for injectors 4 5, 6. Before testing injectors 4, 5 and 6, we will start by checking the signal at injector 2 to confirm a possible good pattern.
Set your scope to display voltage and current at the same time. Current ranges will vary depending on your probe and scope. Set it accordingly to display 10 amps. Beginning on injector 2, to establish a possible known good pattern, insert a backprobe into the white wire, then attach your current probe around the same wire.
Confirm connection points using a wiring diagram for the vehicle you are working on. The pattern shown is a good injector and DME mosfet driver. Voltage should range from 0 to almost volts dc. The current pattern will peak around 8 amps when the injector is switched on, current will drop while injector is open, then reverse when the injector is switched off. Current reverses because the Piezo element acts as a capacitor, and when switched off, the voltage travels back through the injector.
Next we connect to injector 4. The scope pattern shown is a bad injector or DME. Most times when the DME is at fault, the current pattern will try to climb, but fail. Turn the engine off and cycle the key, remove the key from the vehicle. Disconnect all fuel injector electrical connectors. Turn the key on with the engine off. If the fault code will not clear, the issue is most likely in the injector wiring or DME.Cannot find a standard repair for your item?
Get A Custom Quote. With our repair service, we fix the "root" cause of the issue using upgraded components with no impact to your VIN locked DME. There is no programming required, and the DME will return to you ready to install plug and play. Our rebuild service uses upgraded components, is reliable and the easiest way to get your BMW back on the road using your car's original DME!
Avoid the mishaps associated with purchasing a used DME from the junk yard, third-party or the cost of a replacement from the dealership. Your DME will arrive ready to install and use! Our staff is extremely knowledgeable about this common failure of the engine computer and will be glad to answer any questions you have. At Circuit Board Medics, our focus is on excellent communication, fast turnaround, and quality repairs.
One key to achieving these goals is ensuring that we have customers' contact information and payment before beginning any repair order. Watch our video to learn more about how our repair process works and how we can help to get your vehicle or appliance back up and running quickly. Disclaimer: We are not responsible for lost, delayed, or non-repaired items shipped to our facility without an order number.
BMW SIEMENS MSD80 DME ECU Mofset MISFIRE REPAIR SERVICE
In addition to that, it will have a part number similar to the ones listed below. Note: This is NOT a complete list. If you do not see your part number listed, please call us and we can check on your unit. Our no-hassle warranty covers your repair for a full year. If the repair fails anytime within a year, we will repair the item again. In the rare occasion that the item is not repairable, we will either replace the circuit board entirely or refund the cost of the repair, at our discretion.
See Details At Circuit Board Medics we strive to correct the root cause of the issue instead of merely replacing parts. The end result is a refurbished component with increased longevity and lower cost. Learn More. Have a question? Not finding what you are looking for? Feel free to contact us and a representative will be in touch shortly. We also do custom repairs. Let us know more about your unique need and we'll provide an estimate for your custom repair.My mince pies are sore this morning.
I stayed up too exciting it was. Return on investment better than with anyone else I can find. Keep it going Craig. His knowledge of all the tours not just the PGA is absolutely outstanding.Download embedded video firefox
Can't recommend Craig highly enough. Great work so far. This bloke knows his golf. I know nothing about the sport but I'll trust him with hard earned cash. I was sceptical to start but I'm glad I climbed on board, keep up the good work. I havent included the placed golfers. Long may it continue.
I don't think so. The best tipster out there at the moment, keep up the good work Craig. When is the next. Can't wait to win more. Just missed out with Casey as well. Glad I took the trial month for a couple of dollars and look forward to the next tips.
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Jack Jones is off to a 72-46 Hoops Start this season. That should come as no surprise considering he is the No. You can look, but you won't find better. He has posted a 61-44 CFB Record this season alone. The Cavaliers saw their winning streak come to an end against the Pacers on Friday night and return home for a back to back 2nd leg here. Cleveland is on the older side when it comes to age on the team, which won't necessarily bode well here in this 2nd leg of the back to back.
On top of that, the 76ers have been solid ATS. They've gone 15-9 this season and on the road a solid 7-4. Some trends to note. Razor's CBB Saturday 3-Pack O' Beatdowns. We went 12-5 ATS in 2014, 11-5 ATS in 2015 and 10-5 ATS last year and have won the Bowl Game of the Year in each. If you are new to our service and wager methodologies, we have developed several methods of machine learning, AI analytics, and combinatorial algorithms that have provided significant value and have augmented total rate of returns in all sports.
The first set of Combinatorial Algorithms has been applied to the NFL and have no doubt helped propel our NFL plays to an amazing 36-15 ATS record in 2017. So, do yourself a big favor and consider getting on board with a cost saving sports subscription and never miss a play.
I'm laying the points with the NY Knicks on Saturday. Chicago snapped their 10-game losing streak with a 119-111 OT win last night in Charlotte. Give the Bulls credit for finding their offense, but it was just their 4th win in 24 games this season and we don't suspect a winning streak is about to begin. They're 0-4 ATS both off a SU win and when playing without rest between games.
The Knicks whipped Memphis last time out and did so without Tim Hardaway, who's out with a leg injury. His loss is baked into this number as far as we're concerned. We have a Knicks' team that's covered seven of their last nine against teams with a losing record, while covering five in a row in this series. I'm laying the points with the Knicks on Saturday. All my picks are based on interpretation of statistics, context and personal judgement.
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