2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 77Get this manual
FUEL SYSTEM (DFI) 3-29 Throttle Sensor (Service CodeCharacter-11tPS)
u is Terrnththesitgnitbounttow.itch ON and push the lanyard key und op the ut Puishino meassturre bthetosn,nrsuonr tihe uetnvgointeg5e seconds at idl ng np la
Wait 15 seconds before using the starter againInput Voltage at ECU and d: .2 C
gt tO Tfutrhnetheeaidinigioonf snwiuct hvoltFF.e is less than the standard, ip ag check the ECU for its ground, power supply and wiring shortedIf the ground, power supply and wiring are good, replace the ECUI the with the and rathe input voltage at the throttle sensor connectorRemove the air filter temporarily (see Air Filter Removal)