2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 65Get this manual
Section 02 TROUBLESHOOTING GUIDE Subsection 05 (ELECTRICAL SYSTEM)
Symptom: ENGINE DOES NOT START NO SPARK AT SPARK PLUG(AT ENGINE CRANKING (cont'd)
3Verify if problem originated from electrical system wiring harness andor accessories andor ignition cut-out switches by unplugging the 3-wire connectors between the magnetogenerator and the vehicle wiring harnessCheck condition of connectors- Heating, rotating or sharp part in contact with harnessImproper harness routingDefective switch(es)Corroded connector terminalsReplace or repair damaged wiresReroute where necessaryReplace defective switch(es)Clean terminals and apply silicone dielectric grease4Verify trigger coil resistance with an ohmmeter and connector condition- Defective coilCorroded connector terminalsReplace defective coilClean terminals and apply silicone dielectric grease5Verify condition of ignition coil- Mechanically damaged partVibration problemElectrically damaged partTighten mounting screwsReplace ignition coil6Verify condition of ignition generator coils- Mechanically damaged partVibration problemElectrically damaged partTighten mounting screwsReplace coils7Verify MPEM- Mechanically damaged partVibration problemElectrically damaged partTighten mounting screwsReplace MPEM, retest and verify ignition timing