2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 34Get this manual
1-28 GENERAL INFORMATION Technical Information Theory of Direct Fuel Injection
(3) Throttle Position (TP) Sensor The TP sensor is rotary potentiometerIt IS located on the end of the throttle shaftThe sensor receives voltage signal from the EMMAs the throttle lever is rotatedthe EMM receives return voltage signal through second wireThis signal is relative to the position of the throttle shaftAs the throttle opens, voltage increasesAs the throttle closes, voltage decreasesA third wire completes the ground circuit back to the EMMIf sensed value is above expected range, the EMM will store service code, and turn on the "CHECK ENG lightIf the sensor circuit malfunctions, the EMM will turn on the "CHECK ENGmn light-
(4) Crankshaft Position (CP) Sensor The Crankshaft Position sensor is magnetic deviceIt generates magnetic field that is interrupted by the flywheel encorder ribs passing through itThis produces an AC voltage signal directly related to flywheel RPMCrankshaft TDC is determined by encorder rib spacingIf the crank position sensor is mis-adjusted or damaged, the EMM will turn on the "CHECK ENG light