I've updated the Rhinopower site to include details of the Suzuki Jimny 81A11 ECU. This ECU can be reprogrammed using either the
Background Debug Interface or the diagnostic link.
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I've just realised that its been an awfully long time since I updated this page. There have been a good few updates to my ECU site
http://www.rhinopower.org and the forum continues to grow slowly.
I have added a few more ECUs to the reverse engineering pages and I have another seven or eight to add over the next few months. The
RhinoPower diagnostic software for OBD1 Suzukis is also evolving slowly with support for more ECUs being added. Its well worth checking the ECU site
at regular intervals as I am likely to continue updating that site much more often than I do this page.
There haven't been any updates on here for a long time, this is because I have been getting a new site up and running. The new site
reflects he direction that my ECU development has been heading and is focused more on reverse engineering Suzuki ECUs
and on producing a free diagnostic suite for OBD1 Suzukis using the Serial data Link (SDL).
Updated the diagnostics page on the ECU site.
Big news today. After 18 months hacking away at the Suzuki ECU I now have the locations of the fuel and timing maps confirmed. I have all the important diagnostic locations
and my Virtual dashboard and datalogging software is working. There is still some work to be done to complete the project but it is almost done!
I'm now getting assistance with the Suzuki ECU diagnostics stuff from Jerry (JTGH) on suzuki-forums.com. I've done a minor tweak
to the ECU main page and uploaded some updated stuff.
Big breakthrough today, I now have two way communications with the stock Vitara (DSM) diagnostic link - I can do real time
datalogging. Updated files have been uploaded.
I've been working on an interface to the Suzuki Serial Data Link (SDL). I now have a prototype working.
I've updated the info on the stock Vitara/DSM ECU
I've finally run out of space on my main server, moving the old stuff from Freeserve obviously filled my allocation.
I'm going to have to have a bit of a sort out and clear some of the old stuff or reduce some image sizes.
Updated the DSM schematics, added a new page showing the 3d maps found in the data memory.
Updated the information on the stock Suzuki/DSM ECU following some more datalogging.
Reorganised my sites, the old Freeserve server has become somewhat unreliable so I've moved the main page and all the old stuff to Rhinoman.org
The ECU site has been updated. The connector pinout has been amended to correct a couple of errors and to add an additional connection
to the tacho present on some other models.
I've also started adding information on the stock Suzuki/DSM ECU.
The ECU project is now going in a different direction. When I started this project a few years ago I believed
that it was not possible to reprogramme the stock Suzuku (DSM) ECU. There was no information available on the web
and most of the ICs are Mitsubishi proprietry items. A few months ago I made a breakthrough, I discovered that some
of the DSM guys had hacked their ECUs. The processors that they were using were an earlier version of the one in
the Suzuki ECU. However I was encouraged enough to remove the EPROM from a spare ECU that I had recently acquired
very cheaply. Using the instruction set for the earlier processor I have managed to convert the binary image back
into an assembly language programme. I now believe that with more investigation it will be possible to re-tune the
ECU to suit different engine tunes.
I have traced through most of the PCB reproducing the schematics and have determined the functions of most of the ICs.
I have used a component analyser to determine the characteristics of the various diodes and transistors. I am now at
the stage where I am trying to tie the code sections to their various functions. This is a long and laborious task.
I will publish the results here when I have them.
Because of this development I have temporarily suspended development on my own replacement ECU. I believe that most
people would prefer a simpler rechipping of the stock unit rather than a complete replacement.
For the more technically minded the information that I will be publishing will assist in the repair of faulty units.
Another minor update to the Suzuki site. The 1.6 engine in my SJ413K pick up was started for the first time today. Its been nearly a year but it runs!
I have done a couple of minor updates to the ECU site.
I discovered that in some browsers the red text was flashing, this was something that I tried once that didn't work in IE.
I had cut and paste the code a few times and the effect when using a FireFox browser was not very easy on the eye. I think I have corrected all the problem areas now.
The 1.6 engine has been fitted to my SJ413K Pickup, there are a few bits left to do before it will be up and running but a major milestone has been achieved.
Development of a new version of the ECU continues, a new injector driver circuit is taking shape. Testing of the old design has shown up a couple of problems which are being ironed out.
I have made some progress on the SJ413 Pick Up and the ECU project. I have modified the oil pick up pipe and sump on the 1.6 and it is almost ready
to be fitted and the engine/gearbox adapter plate is on order. I have taken lots of pics so I will produce an article for the Suzuki site when this task is complete.
The SJ currently has a carb so I have designed a new Ignition Only Controller, this is a stripped down version of the full ECU and incorporates a few
mods that I want to try out before producing the next version of the ECU. The Ignition Controller has a dsPIC processor and has a new USB interface and also a CANBus interface.
The On Dash Display is being redesigned with a CAN enabled processor and will gain some extra memory to give it improved datalogging capabilities. Currently I am debugging the interface
using 2 Microchip demo boards (dsPIC Starter and my old PICDEM2 Plus).
Summer is here and work is still hectic. I have updated the main page of the Suzuki site to show a pic of my latest Zuk - an SJ413k pickup. I bought this just before I was due to take some
annual leave with the intention of carrying out a head gasket swap and having it on the road in no time at all. The leave was cancelled. Hopefully I will get to it in the next few weeks.
I have a 1.6 engine ready to fit and naturally in time it will get an EFI conversion using one of my own engine management systems.
I've updated the site layout, dropping some of the stuff that I haven't worked on for some time. The Suzuki, EB60 and the bike pages haven't been updated for ages but not a lot has happened.
Summer should be here soon so I'm hoping to get out and get some stuff done. I've put links to the old stuff at the bottom of the page so it can still be accessed.
I have managed to get some more work done on the ECU project. Its undergoing a redesign at the moment, not as radical as the previous redesigns, this will be more a version 3A than a version 4.
A lot of the circuitry will remain, the RS232 serial link will be dropped and the USB interface will use a newer, simpler FTDI chip. It will interface to the factory fitted immobiliser and
I'm going to add CANBus and OBDII as well as provision for future expansion. A prelimary sketch indicates that I will be able to get a good layout using the stock connector so this will be
a direct replacement for the factory system. Dropping the RS232 link means I will have to redesign the circuit for the On-Dash Display and this will interface to the CANBus instead. CANBus is used for a
lot of factory automation as well as within the automotive industry so it will be a useful thing for me to learn.
No updates for a while because I have had computer problems. First my secondary hard drive failed losing all my backed up data. I was still attempting to restore this when my main hard drive failed.
Some data, including most of the ECU stuff was backed up elsewhere. Loads of other stuff was lost including all my email and contacts. So if I haven't replied, or not been in touch for a while
thats why.
I have had a heavy workload for a few months so not a lot of progress has been made on my projects. I am about to kickstart the ECU project aging (see website), the Triumph is back on the road
after some time and I hope to get the Vitara back on the road soon.
I also plan on updating this site soon as well. The Space Invaders project has been on the backburner for some time and I think the only back up of the source code is quite out of date so
I am going to remove that stuff. When I eventually get back to it I will update and restore the pages. I am also going to remove the Rhinocam, I have had some problems with the upload software or the drivers
for the video card. There isn't a lot to look at anyway, Helen and I seperated (amicably) and the pets are no longer here.
Progress continues on the Engine Management System that I designed for my Suzuki Vitara. The firmware is taking shape and all the ignition side of things should be working
in a couple of days. I have bought a spare connector for the wiring harness as well so I will be able to make up a Y cable to datalog the stock ECU.
The ECU stuff is on a different server and is updated more often than this page
so its always worth a look there if you want to keep up with progress.
I also have decided to add a guestbook to the site. You can use the guestbook not just to leave messages but you can post your pics here too (as long as
they are hosted on another server). I always like to receive feedback from the site so why not post a short message and tell me which bits interest you the most.