2005 Ski-Doo RT Series Shop Manual, Page 148Get this manual
Section 04 ENGINE MANAGEMENT (SDI) Subsection 02 (DIAGNOSTIC PROCEDURE)
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ONE MODULE IS CONNECTED
If an "X" is shown, this means that no communication between the MPI and the ECM is possibleIn this case possible causes are: ECM is not powered-up wrong protocol is used bad connection between MPI and module
Writing in ECM
When writing in ECM through B.U.D.S there will be an "EMS Tracking" message that will say "Remove key from vehicle"When this occurs, remove the tether cord cap from its post and wait until the message disappears (it lasts approximately seconds after tether cord cap removal)