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RhinoPower EFI -> RhinoPower Forum -> Suzuki ECUs -> Swift 8V 33920-63B7 Denso D3
Post Info TOPIC: Swift 8V 33920-63B7 Denso D3
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Swift 8V 33920-63B7 Denso D3
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I have now pulled the binary from a 63B72 ECU using my Romreader PCB:

http://www.rhinopower.org/ECUs/63B72/docs/63b72.bin

The code makes full use of the 76C40 processor's capabilities, so a 6801 disassembler can't be used. I will publish the source code in due course when I have run it through my own disassembler.



-- Edited by Rhinoman on Friday 28th of October 2011 05:28:48 PM

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.
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I don't have a datasheet for this processor, I can't find any reference to it at all. I saw your comment on your website about the similarity of your processor to a 6801 and checked this one against the 6801 datasheet. This one has the same pin out too so I thought I'd see if it would run 6801 code and it did. I will publish details of the PCB I used, running the processor in mode 0 (Test Mode) I was able to pull the binary.

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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.
Juha


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Thank you for valuable information.
My project is dormant now but it should wake up when we approach summer.
Do you have data sheet for TMP76C40 ?


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This looks to use the same processor as the TCM here:

http://rhinopower.activeboard.com/index.spark?aBID=133095&p=3&topicID=34179854


It would be possible to modify this ECU using a daughterboard.

-- Edited by Rhinoman on Monday 22nd of February 2010 03:18:20 PM

__________________

1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.
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Hi Juha
I have been looking at your schematic again, pins 8,9 and 10 on the processor should be the mode select pins if this is a 6801 derivative so I would expect some resistors on these pins. Pin 8 is pulled to 5V but I think that pins 9 and 10 should be too to select single chip mode.
Cheers
James

__________________

1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
2004 Suzuki Ignis 1.5VVT 4Grip
2006 Suzuki Jimny 1.3VVT JLX+
and many more.
Juha


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Posts: 5
Date:
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While gathering parts for SJ413 EFI conversion I have drawn schematics of Denso D3 ECU used at least in older 8V 1.3 Swifts.

http://www.kolumbus.fi/juha.niinikoski/Suzuki_ECU/Suzuki_ECU.htm

Juha






Editted to fix link 22/02/2010

-- Edited by Rhinoman on Monday 22nd of February 2010 07:50:03 PM

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