I've just had a look at the parts lists and it shows the Ignis 1.5 and swift 1.5 use the same exciter rotor. Is your Ignis a different engine size?
I have both wiring diagrams but I don't know how that will help as the pulse speeds are set by the rotor.
You can get recalibration units to fit in line but they are expensive and I don't know if they make them for Suzuki's.
to the forum.