2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 68Get this manual
ENGINE CONTROL SYSTEM
ECM cylinder identification: Cylinders are identified by calculation combined from two signals; one from the CKP sensor and one from the CMP sensorTDC #1 Cyl#3 Cyl#4 Cyl#2 CylEpTDC CmInExEpTDC CmInEpTDC CmExExIn
34-signalscrankshaft rotation CKP sensor signal CMP sensor #1 signal CMP sensor #2 (VVT) signal Cm Compression,
[CMP sensor signals] 360 (Crankshaft rotation) 60