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RhinoPower EFI -> RhinoPower Forum -> Suzuki ECUs -> 38880-57B40 Vitara TCM
Post Info TOPIC: 38880-57B40 Vitara TCM
fordem


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RE: 38880-57B40 Vitara TCM
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I think I have something very similar to that - in a Mitsubishi Pajero iO - with a 4 speed Aisin Warner transmission - my daughter has the car right now, I should have it back Thursday, and i'll be pulling the transfer case shift lever to work on it - the TCU is immediately behind the shift lever so I'll get pictures of it at the same time.



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I've updated this page. I've been running test code on the processor and I have determined that this processor is much more than a 6801 replacement, it has the same core as the bigger processors used in many Mitsubishi engine management ECUs. That means it supports the Hitachi additional instructions plus it has Y-indexing and addtional timer functions.

The AW code uses 6801 instructions which is very inefficient given the capabilities available. It is likely that the 76C40 was chosen as a drop-in replacement for a 6801.

More data on this processor will be published in due course.



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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.
TechSupport


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Added some details of an Aisin-Warner 4-speed transmission control unit for a Suzuki Vitara.

http://www.rhinopower.org/ECUs/TCM_57B40/TCM_57B40.html

This TCM uses a 40-pin processor similar to a 6801 but with additional RAM and an E clock of 2MHz with a 12MHz crystal.

-- Edited by Rhinoman on Monday 22nd of February 2010 03:20:24 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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