This ECU uses the same PCB as the 81A20 ECU used in the M13A engine UK Jimnys. The ECU uses a 68HC16R processor with an external Flash memory, I did some work on this ECU a few years ago but I don't seem to have got round to recording it.
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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.