2004 Skidoo ZX Series Service Manual, Page 310Get this manual
Section 06 ENGINES MANAGEMENT (2-TEC) Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
A32C9IA
ENGINE CONNECTOR PIN-OUT (WIRING HARNESS SIDE)
IMPORTANT: The throttle body is designed to be tamper proofChanging the zero position stop screw or synchronization screw or modifying them in any way will not increase performance but may cause poor startability and erratic idlingBefore replacing any part, check the following as these could be causing the faultPerform the test while the engine is not running Throttle cable adjustment too tightNot returning fully to idle stop Throttle body idle set screw is loose or worn Throttle linkage between the two throttles has moved TPS is loose Corroded or damaged wiring or connectors Throttle body has been replaced and the Closed Throttle reset has not been performed ECM has been replaced and the Closed Throttle reset has not been performed