2005 Ski-Doo REV Series Shop Manual, Page 283Get this manual
Section 06 ENGINE MANAGEMENT (SDI) Subsection 03 (COMPONENT INSPECTION, REPLACEMENT AND ADJUSTMENT)
AIR TEMPERATURE SENSOR (ATS)
R1503motr182A
Using multimeter, recheck resistance value between terminals and 19If resistance value is correct, try new ECMRefer to ECM REPLACEMENT procedures elsewhere in this sectionIf resistance value is incorrect, repair the connectors or replace the wiring harness between ECM connector and the CPS
A33I0IA
1Air temperature sensor (ATS)
Resistance Test
Disconnect the plug connector from the ATS and check the resistance of the sensor itselfRefer to TEMPERATURE SENSOR TABLE at the beginning of this section to find the corresponding resistance value for this sensor temperatureIf out of specification, replace the sensorIf resistance tests good, reconnect the ATS and disconnect the connector on the ECM7