This is one of the very first Suzuki ECUs and has no spark control, the picture is from a now defunct website. The processor is a 63B01 microcontroller and the firmware version is E257.
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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.
