2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 347Get this manual
Section 06 ENGINE MANAGEMENT (4-TEC) Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
Trigger Wheel Inspection
Remove PTO coverRefer to CRANKCASE subsection in ENGINE sectionRemove trigger wheelPerform visual inspection of the trigger wheel for bent teeth and also check the mating surface for straightnessIf necessary, straighten the teeth or replace the trigger wheel
R1503motr182A
Using multimeter, recheck resistance value between terminals and 19If resistance value is correct, try new ECMRefer to ECM REPLACEMENT procedures elsewhere in this sectionIf resistance value is incorrect, repair the connectors or replace the wiring harness between ECM connector and the CPS