2003 Ski-Doo ZX Series Factory Shop Manual, Page 289Get this manual
Section 06 ELECTRICAL Subsection 06 (TESTING PROCEDURE)
Resistance Readings Place multimeter selector switch to in order to measure resistanceReadings must be within the indicated rangeOtherwise, the part is considered to be defective and must be replacedCAUTION: When taking measurements, it is useless to try to start the vehicle since readings would then be distortedIntermittent Ignition Problems It is difficult to make diagnostic in the case of intermittent ignition problemsThus, problems occurring only when the engine operating temperature is normal must be checked in similar conditionsIn most cases when problems are caused by temperature or vibrations, these can only be solved by replacing partsMost problems cannot be detected when the engine is stoppedMultiple Problems As matter of fact, more that one component can be defectiveAs result, if the problem remains although part was replaced, start over the whole verification from the beginning in order to identify the other defective component
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