2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 79Get this manual
FUEL SYSTEM (DFI) 3-31 Throttle Sensor (Service CodeCharacter-11tPS)
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throttle sensor connectorConnect digital meter to the setting adapter leadsSpecial ToolThrottle Sensor Setting Adapter: -1521 Throttle Sensor Output Voltage to (+) BK W le ad 00 1
Measure the sensor output voltage with the idle speedOutput Voltage at Sensor and d: .0)
CAUTION
Never drop the throttle sensor, especially on hard surfaceA shock to the sensor can damage itfe ot Antg ratdharpttelesensor voltage inspection, remove the setti If the reading is out of the standard range, inspect the throttle sensor resistanceIf the output voltage is normal, check the wiring for continuity (see next diagram)