Can anyone tell me the specifics or point me to the people who have converted from the motronic 1. Please note that as a result of the ecu pin out variations. Bosch 35 pin early motronic pinout bmw 5,6,7 free download as pdf file. Unfortunately due to the file limits its one per post. With our first fpgabased ecu family motronic ms 5 we offer you the possibility. Im trying to locate the water temp pin on the auto gearbox ecu on my 1992 320 switchable convertible.
So this article show a guide on how to remapflashing bosch motronic 1. The engine control unit selects the operating mode depending on torque, power, exhaust gas and safety. Ive wanted to get this up for a while, and finally found some time to sit down and do it. So lets start with the 306 s16, bosch motronic mp3. Thought i would add a few of the most common ecu pinouts and wiring diagrams, as ive managed to get a pdf writer working as well as a copy of autodata. If you find any errors or such in this document, please let me know. However, the small differences that crept into production during the lifetime of motronic 1. I have a plug coming off the wiring harness that is not plugged in, i need to figure out what it is. Bosch 35 pin early motronic pinout bmw 5,6,7 ignition system. The engine arrived to me with the manifolds and all wires disconnected. I fyou want a pdf of the full wiring breakdown, and what to connect to what, shoot me an email.
A 3 wire tps tells your ecu if you are at idle, cruise or wot. Ensure that the usual workshop precautions are carried out, and the gear range selector lever is in the park position. Bosch electronic fuel injection ecu vehicle component applications. Generally speaking there is no advantages to running one 1. Direct petrol injection system with bosch motronic med 7. Ecu pinout and electrical tests e30 rts your total bmw. The image below depicts the pin locations as if viewing the connector on the ecu.
Motronic is the trade name given to a range of digital engine control units developed by robert. There are a lot of ecu circuit diagrams, documentation, charts and graphs in our database files with important information which will be interested to person working with bosch ecu. Aug 06, 2011 there are 2 tps units from bmw for the motronic ecu 1. The same 3 that the manual has and 3 more that go to the automatic transmission. The drivers desire is picked up through the electronic accelerator pedal. Wiring is substantially similar between all 4 engines, with differences noted below. They are generally only available in the domain of dealerships and a small number of audi specialists as addendums to. Dropin programmable replacement ecu for motronic dme. If it fails to start by itself or after swapping eproms, you may need to recode the ecu and the ews ii if equipped with a bmw modic factory tool. Ecu 179 harness o2 sensor crank position sensor and bracket. Connector 1 1 ignition signal 2 3 not used 4 ground 5 ground injectors 6 ground power stage 7 battery supply 8 switched input 9 not used bosch motronic m5. You have to be registered and you have to make at least 3 quality unique posts. The ecu can self detect up to 105 different problems with itself, its wiring and its associated sensors, storing the respective code if it detects any. The following table defines the functionality of each of the 55 pins on the 3b motronic ecu.
Gm copyright equiptech reduceinterferencetoaminimum. Mar 19, 2014 thought i would add a few of the most common ecu pinouts and wiring diagrams, as ive managed to get a pdf writer working as well as a copy of autodata. In vehicles sold in the usa, when the ecu detects that a some faults are present it earths pin 15 and the check engine warning lamp on the dash will light. Bosch electronic fuel injection ecu vehicle component. It was first fitted in the 1990 model year late 1989 and is a fully integrated system that controls primary ignition, fuelling and idle control from within the same ecu. Direct petrol injection system with bosch motronic med 7 design and function selfstudy programme 253. Came across this exciting product for those of you who are considering a replacement ecu for the motronic dme. I found the rectangular c101 and e30 c101 pin outs, but wanted to make sure b35 are the same as late e30 round plug.
It is no secret that the wiring schematics for the audi s2 are notoriously hard to get your hands on. To reset the kmotronic ecu after fault extraction andor rectification, isolate the. This is stretching my normal range, but with the best will and perhaps a little direction from this community, im hopeful for a happy ending. It will first describe the hardware and proceed with a even more detailed description of the software that is running in the ecu so that we can learn how to tweak and tune the ecu to match the hardware altered or not that is on the car better. This drops in place and connects into the oem loom.
Enabling enthusiasts and racers to extract the potential from their engines. Exclusive pictures with ecu wiring diagrams for audi, vw, seat and skoda are the most valuable documents. The fault code memory is extended to contain all fault codes that are detected by the ems. It will first describe the hardware and proceed with a even more detailed description of the software that is running in the ecu so that we can learn how to tweak and tune the ecu to match the. I am working on making an adapter for my b35 to 84 318i swap. Dec 30, 2016 one response to bmw motronic tuning, specifically motronic 1. They are generally only available in the domain of dealerships and a small number of audi specialists as addendums to the generic audi 8090 wiring info. Hello, does anybody have a m30b35 engine harness connector pinout chart.
Two independent circuits are available for vibration knock detection and. It has a dil28 package and is mounted in a socket, so removing it is easy. Perform an eprom swap only if programa computer fails from moment of installation. Motronic engine computer for the vr6 aaa code and 4 cylinder 2. Old motronic damos in readable format ecu connections. Jul 04, 2018 this document may cover information that is the same for other motronic series. Initiate an onboard diagnostic check to reveal any of the listed fault codes that have been stored within the kmotronic pcme. We know they are out there but nobody wants to share if anybody has these please come forward for your reward thanks. Ecu circuit diagram for bosch ecu schematic autodtc. Bmw 88pin connector ecu motronic 3 year warranty this remanufactured ecu is not coded to your vehicle. My last question is, do production dates make a big difference if my m20 173 dme is meant to run an 88 engine and the 179 dme is meant to run a 89 engine. Direct petrol injection system with bosch motronic med 7 design and function selfstudy programme 253 service.
If it does exist would someone kindly post it, as it would help me greatly to rewire a 355 engine i have with currently only the bare minimum of ecu wiring to run the engine. This document may cover information that is the same for other motronic series. The diagram below shows a typical fuel system arrangement, the cycle of. Two wires go directly to the ecu pins 52 and 53 and 1 wire to ground. The part number easily identifies each version, 0 261 200 xxx. I want to use a multimeter to identify which pins on the ecu match the plug at the other end of the harness. I read your article and it say s that as long as both dmes are motronic 1. One response to bmw motronic tuning, specifically motronic 1. As the tittle says looking for old motronic damos in pdf or text format and i will pay for this information. The image below depicts the 3b ecu pinout when viewing the cable assembly.
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