2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 104Get this manual
3-56 FUEL SYSTEM (DFI) Oil Temperature Sensor (Service CodeCharacter-73OILt)
r Tfuthn tohuetpignivtioolnagwiitschuOofFt.he specified, check the ECU Ie ut ot for its ground, and power supply (see ECU Power Supply Inspection)If the ground and power supply are good, replace the ECUIf the output voltage is far out of the specified (e.gwhen the wiring is open, the voltage is about V), check the wiring (see next diagram)If the iring good, check the oil temperature ensor resistanceRemove the needle adapter set, and apply silicone sealant to the seals of the connector for waterproofingS (K al ec or s