Ecu wiring diagram, schematics for cars and additional information for bosch edc16, edc17, edc15, me71, me75, med7. 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. Best way to find if your obd1 vehicle is included on this page is to perform a search in your browser for your vehicle model. Software, manual, and base map downloads ecumaster usa. Ive wanted to get this up for a while, and finally found some time to sit down and do it. If your 80s bmw connector has 15 pins, its motronic basic. A 3 wire tps tells your ecu if you are at idle, cruise or wot.
If you hear no reaction where one is expected, test the actuator circuit with a digital. I know this has been discussed but cant seem to locate any posts that descibes whats needed. It is hoped that these sheets are more user friendly than the full set of s2 schematics. Not 100% sure on the processor, ill check and get back to you with an answer. Never shortcircuit the wires of the engines wiring loom or the outputs. Ryan nimicks megasquirt to motronic 55 pin adapter board lets you adapt your megasquirt v3. The motronic is the trade name given to a range of digital enginemanagement systems developed by robert bosch gmbh, commonly known as bosch. One response to bmw motronic tuning, specifically motronic 1. Cedm is a former brazilian correspondence school and it is the z80 computer of microprocessor course.
And only turbo models i keep forgetting that people buy nonturbo volvos. If you have access to a wiring diagram for the bosch motronic mp 9. Download scientific diagram motronic education set from publication. Ive started working on reverse engineering the motronic 1. Two wires go directly to the ecu pins 52 and 53 and 1 wire to ground. Over here are the most used datasheets for the eproms or other. New motronic modification project i can provide an nt server with 30gig space and a static ip address for you to host the site.
I recently got volfcr cable from ebay for my volfcr software version 1. Notes version notes last updated download link q tuning software 7. The check engine light will begin to flash the code after about 3 seconds. Over here are the most used datasheets for the eproms or other importants chips on your ecu. The schematics for the 3b and aby engine are distilled from a combination of the various sources i was able to track down for the north american implementation of the 3b and aan engines. Xdf files are specific to the motronic version, therefore an xdf that was made for motronic 1. This ecu was one of the first flash memory based ecus with a huge memory the entire code that controls its.
Bosch motronic info 3b system description the motronic ecu on the 3b engined s2 coupe is described in this section, along with an overview of the main components assoiated with the ignition, injection. Gm copyright equiptech reduceinterferencetoaminimum. Toad obd1 vehicle support list car obd diagnostics, ecu. I believe the aex engine is of most interest to me. Schematics of various adapters for several diagnostic softwareprograms 5. It is hoped that these sheets are more user friendly than the full set of s2 schematics as they focus only on motronic related components. In the bmw software, the term ecu may refer to any electronic control module. Wiring page 4 wiring diagram type 944, 944 turbo, 944. Ecu circuit diagram for bosch ecu schematic autodtc.
Each educational set is controlled by a software program figure 3. Motronic education set download scientific diagram researchgate. Im working on my bmw 320i e30 1990 so its the later 1. I am able to read pin codes in vws up to 04 with my software via obd2.
Motronic is the trade name given to a range of digital engine control units developed by robert. Porsche 944 volume 5electrical manual pdf download. How motronic calculates theoretical engine load motronic needs three things to calculate the internal load signal which can be found as axis for several maps. Motronic engine schematic diagram circuit wiring diagrams. In some cases, it still uses the cold start valveinjector, unlike the 1. It was first fitted in the 1990 model year late 1989 and is a fully integrated system that controls primary. Xdf files are specific to the motronic version not the car, therefore an xdf that was made for example for motronic 1. Weve got all the 14 pin connections figured out on the car side, and know how to get most of the sensors running. Page 1 page 2 list of repair groups 944 page 3 table of contents. Im doing r32 swap for my mk3,but half of wires is cut off.
I know this has been discussed but cant seem to locate any posts that descibes whats needed and how to do it. Ecu circuit diagram database consist of 400 documents for downloading. Good news are that i have access to all ecus in the car including service light reset,but i have no access into engine. Robert bosch foundation fellowship program bosch process robert bosch stiftung. A signal from the airmass meter, normalized to airflow in kghr. If the check engine light comes on, leave the key in the on position, but dont start the car. Hippo is a powerful user friendly maintenance management software solution for companies in a variety of industries. The engine classes using this system are apq, anx, and aex. Can someone please help me with software that will read the pin code of a bosch motronic me7.
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