[Diy_efi] Motronic 7.1 disassembly

[Andy Whittaker - Chester UK]

Hi,

On the subject of disassemblies, has anyone done anything with the Bosch
Motronic 7.1 ? I've started a web-page:

http://www.andywhittaker.com/Audi/index.htm

It looks like the 7.1 is 80C167CR based. These ECUs are getting more
complicated, 512K of ROM with "fly-by-wire" throttle. The throttle peddle is
really a torque peddle now. The ECU compensates for pre-boost conditions by
opening the throttle butterflies wider and then closing them a little as the
boost catches up. Driving the car takes a little getting used to.

I'm using IDA Pro to do the disassembling (IMHO the only tool to use for
disassembling, <very> cleaver). However, the Siemens C166 series can
physically re-map its address space which is causing me problems.

Andy.



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