2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 227Get this manual
ELECTRICAL SYSTEM 14-35 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 (+) BlackBlue Lead Hand Tester () Black Lead
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Throttle Sensor Input Voltage Standard: un V
Check the above process within three minutesIf it is not the specified voltage, check the igniter input voltage between Orange lead and BlackWhite leadIf there is battery voltage between the leads, the igniter is defectiveTo check the throttle sensor output voltage, see throttle sensor Inspection