Im working on my bmw 320i e30 1990 so its the later 1. The engine classes using this system are apq, anx, and aex. Notes version notes last updated download link q tuning software 7. If you hear no reaction where one is expected, test the actuator circuit with a digital. If you have access to a wiring diagram for the bosch motronic mp 9. It is hoped that these sheets are more user friendly than the full set of s2 schematics.
Download scientific diagram motronic education set from publication. I know this has been discussed but cant seem to locate any posts that descibes whats needed and how to do it. I know this has been discussed but cant seem to locate any posts that descibes whats needed. 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. Toad obd1 vehicle support list car obd diagnostics, ecu. Two wires go directly to the ecu pins 52 and 53 and 1 wire to ground. I recently got volfcr cable from ebay for my volfcr software version 1. Porsche 944 volume 5electrical manual pdf download.
In the bmw software, the term ecu may refer to any electronic control module. Weve got all the 14 pin connections figured out on the car side, and know how to get most of the sensors running. The check engine light will begin to flash the code after about 3 seconds. Motronic engine schematic diagram circuit wiring diagrams. Good news are that i have access to all ecus in the car including service light reset,but i have no access into engine. 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.
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. As far as i know all e28 bmw 535i cars use motronic basic. I am able to read pin codes in vws up to 04 with my software via obd2. If the check engine light comes on, leave the key in the on position, but dont start the car. 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. Each educational set is controlled by a software program figure 3.
This ecu was one of the first flash memory based ecus with a huge memory the entire code that controls its. Never shortcircuit the wires of the engines wiring loom or the outputs. Im doing r32 swap for my mk3,but half of wires is cut off. Ive started working on reverse engineering the motronic 1. Xdf files are specific to the motronic version, therefore an xdf that was made for motronic 1. Can someone please help me with software that will read the pin code of a bosch motronic me7. Motronic is the trade name given to a range of digital engine control units developed by robert. 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. Ecu circuit diagram database consist of 400 documents for downloading.
Ive wanted to get this up for a while, and finally found some time to sit down and do it. Wiring page 4 wiring diagram type 944, 944 turbo, 944. Over here are the most used datasheets for the eproms or other importants chips on your ecu. Software, manual, and base map downloads ecumaster usa. 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. It was first fitted in the 1990 model year late 1989 and is a fully integrated system that controls primary. A signal from the airmass meter, normalized to airflow in kghr. Page 1 page 2 list of repair groups 944 page 3 table of contents.
The motronic is the trade name given to a range of digital enginemanagement systems developed by robert bosch gmbh, commonly known as bosch. A 3 wire tps tells your ecu if you are at idle, cruise or wot. Not 100% sure on the processor, ill check and get back to you with an answer. I believe the aex engine is of most interest to me.
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. Schematics of various adapters for several diagnostic softwareprograms 5. Over here are the most used datasheets for the eproms or other. Gm copyright equiptech reduceinterferencetoaminimum.
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