2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 136Get this manual
ENGINE CONTROL SYSTEM
CHART 19: ENGINE CRANKED, BUT NOT START (OR STOPS SHORTLY AFTER STARTING)
Before starting the troubleshooting, make sure that: There is no self-diagnostic code indication Emergency stop switch plate is set in place
START Ignition switch "ON" Check "23" terminal voltageIs result OK? (See page 3-48 YES Ignition switch "ON" Check "20" terminal voltageIs result OK? (See page 3-48 YES YES YES Cranking Check ignition spark using timing light (Pno0993076420)Is there light flashing? Cranking Check ignition coil operating signal(See page 3-55 Is result OK? NO NO ECM failure Wire continuityconnection failure NO NO ECM main relay failure Spark plug failure NO Individual check Check if spark plug is in good conditionIs result OK? YES YES Check ignition coil condition(See page 3-56 Is result OK? NO Ignition coil failure NO Ignition switch failure Wire continuityconnection failure