2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 351Get this manual
Section 06 ENGINE MANAGEMENT (4-TEC) Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
Disconnect plug connector from MAPS and connect voltmeter between pin and 2Install the tether cord cap, then depress the cutout switch and push start button momentarily to activate the ECMThe measure should be Vdc on the voltmeterIf voltage test is good, replace the MAPSIf voltage test is not good, check the continuity of the MAPS circuit
OIL PRESSURE SWITCH (OPS)
Resistance Test
Disconnect the connector from the ECMUsing multimeter, check continuity of circuits 12, 28 and 40If wiring harness is good, try new ECMRefer to ECM REPLACEMENT procedures elsewhere in this sectionOtherwise, repair the connectors or replace the wiring harness between ECM connector and the MAPS.R1004motr167A