Bombardier SeaDoo 2000 factory shop manual volume 2, Page 151Get this manual
Subsection 03
Section 05 ENGINE MANAGEMENT (DI) (COMPONENT INSPECTION AND ADJUSTMENT)
Resistance Test
Disconnect the plug connector from the EGT and check the resistance of the sensor itselfThe resistance should be between 2280 and 2740 Otherwise, replace the EGTIf resistance tests good, reconnect the EGT and disconnect the AMP plug connector number on the MPEMUsing multimeter, recheck resistance value between terminals 10 and 12If resistance value is correct, try new MPEMRefer to MPEM replacement procedures elsewhere in this sectionIf resistance value is incorrect, repair the wiring harnessconnectors between AMP plug connector and the EGT
Dynamic Test
Using the vehicle communication kit (VCK) with the B.U.D.Ssoftware, monitor the knock sensor using the Faults sectionStart the engine and bring engine RPM above 4500 RPMIf no fault code occurs, the knock sensor is goodOtherwise, do the followingEnsure sensor and head contact surfaces are clean and mounting bolt and washer are correct and properly torqued downCheck the knock sensor resistanceDisconnect the AMP plug connector number from the MPEM module