Bmw 88pin connector ecu motronic 3 year warranty this remanufactured ecu is not coded to your vehicle. Came across this exciting product for those of you who are considering a replacement ecu for the motronic dme. Bosch 35 pin early motronic pinout bmw 5,6,7 free download as pdf file. 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. Perform an eprom swap only if programa computer fails from moment of installation.
Exclusive pictures with ecu wiring diagrams for audi, vw, seat and skoda are the most valuable documents. This document may cover information that is the same for other motronic series. Bosch electronic fuel injection ecu vehicle component applications. The following table defines the functionality of each of the 55 pins on the 3b motronic ecu. The same 3 that the manual has and 3 more that go to the automatic transmission. 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. Im trying to locate the water temp pin on the auto gearbox ecu on my 1992 320 switchable convertible. 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. Please note that as a result of the ecu pin out variations. I have a plug coming off the wiring harness that is not plugged in, i need to figure out what it is.
Dropin programmable replacement ecu for motronic dme. Direct petrol injection system with bosch motronic med 7 design and function selfstudy programme 253. Two wires go directly to the ecu pins 52 and 53 and 1 wire to ground. Motronic is the trade name given to a range of digital engine control units developed by robert. As the tittle says looking for old motronic damos in pdf or text format and i will pay for this information.
Ecu pinout and electrical tests e30 rts your total bmw. If you find any errors or such in this document, please let me know. Jul 04, 2018 this document may cover information that is the same for other motronic series. Ecu 179 harness o2 sensor crank position sensor and bracket. However, the small differences that crept into production during the lifetime of motronic 1.
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. The image below depicts the 3b ecu pinout when viewing the cable assembly. Hello, does anybody have a m30b35 engine harness connector pinout chart. Can anyone tell me the specifics or point me to the people who have converted from the motronic 1. They are generally only available in the domain of dealerships and a small number of audi specialists as addendums to. Initiate an onboard diagnostic check to reveal any of the listed fault codes that have been stored within the kmotronic pcme. 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 found the rectangular c101 and e30 c101 pin outs, but wanted to make sure b35 are the same as late e30 round plug.
The part number easily identifies each version, 0 261 200 xxx. It has a dil28 package and is mounted in a socket, so removing it is easy. The diagram below shows a typical fuel system arrangement, the cycle of. The engine arrived to me with the manifolds and all wires disconnected. The image below depicts the pin locations as if viewing the connector on the ecu. 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. Bosch electronic fuel injection ecu vehicle component. I want to use a multimeter to identify which pins on the ecu match the plug at the other end of the harness. It is no secret that the wiring schematics for the audi s2 are notoriously hard to get your hands on. 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. 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. One response to bmw motronic tuning, specifically motronic 1. Direct petrol injection system with bosch motronic med 7. Wiring is substantially similar between all 4 engines, with differences noted below.
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. Enabling enthusiasts and racers to extract the potential from their engines. Dec 30, 2016 one response to bmw motronic tuning, specifically motronic 1. Ive wanted to get this up for a while, and finally found some time to sit down and do it. Old motronic damos in readable format ecu connections. Bosch 35 pin early motronic pinout bmw 5,6,7 ignition system. 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.
Two independent circuits are available for vibration knock detection and. 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. Controls primary ignition coil by switching the ground side of its circuit etm 60 1 2 closed throttle input brbu. Aug 06, 2011 there are 2 tps units from bmw for the motronic ecu 1. Direct petrol injection system with bosch motronic med 7 design and function selfstudy programme 253 service. You have to be registered and you have to make at least 3 quality unique posts. Generally speaking there is no advantages to running one 1. 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. So this article show a guide on how to remapflashing bosch motronic 1. I am working on making an adapter for my b35 to 84 318i swap. I fyou want a pdf of the full wiring breakdown, and what to connect to what, shoot me an email. There are 2 tps units from bmw for the motronic ecu 1. With our first fpgabased ecu family motronic ms 5 we offer you the possibility.
Gm copyright equiptech reduceinterferencetoaminimum. Ensure that the usual workshop precautions are carried out, and the gear range selector lever is in the park position. To reset the kmotronic ecu after fault extraction andor rectification, isolate the. 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. 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. This drops in place and connects into the oem loom.
The engine control unit selects the operating mode depending on torque, power, exhaust gas and safety. A 3 wire tps tells your ecu if you are at idle, cruise or wot. I read your article and it say s that as long as both dmes are motronic 1. The drivers desire is picked up through the electronic accelerator pedal. So lets start with the 306 s16, bosch motronic mp3.