2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 198Get this manual
14-32 ELECTRICAL SYSTEM Ignition System
Throttle Sensor Input Voltage Check Remove the throttle sensor [A] lead connectorSet the tester [B] to the DC 10 range, and connect it to the connector [C] of the main harness
Special ToolHand Tester: 57001-1394 Hand Tester (+) Hand Tester () BlackYellow Lead Blue Lead
Turn the ignition switch onvoltage Check the throttle sensor input
Throttle Sensor Input Voltage Standard: around DC V
Check the above process within three minutesIf it is not the specified voltage, check the igniter input voltage between BlackYellow lead and Black leadIf there is battery voltage between the leads, the igniter is defectiveTo check the throttle sensor output voltage, see throttle sensor Inspection
Overheat Diagnosis Output Voltage Inspection