2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 306Get this manual
Section 05 ENGINE MANAGEMENT (2-TEC) Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
If resistance value is incorrect, repair the connectors or replace the wiring harness between ECM connector and the ATS
Replacement
Disconnect the connector of the ATSPull the ATS out of the air intake silencerFollow this procedure to install the ATSFirst, install the ATS rubber ringNOTE: If the rubber ring is installed on ATS sensor, remove it before ATS installingSpray soapy water on ringInstall ring on air intake silencer then push the sensor in placeReconnect it
COOLANT TEMPERATURE SENSOR (CTS)
Resistance Test
Disconnect the plug connector from the CTS and check the resistance of the sensor itself
A32C9IC
ENGINE CONNECTOR