2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 396Get this manual
LlG HTSMETERSSWITCH ES Oil temperatu re indicator does not go off Disconnect the meter 14P connector or indicator 6P connector (page 2118 )Disconnect th ignition control module (I CM) 8P connectorCheck for cont inuity between the Blu efred wire ler mina and groundThere should be no continuityIf there is continuity, check for short ci rcuit in Bluel red wireIf there is no continuity, rep lace the ICM
OIL THERMOSENSOR INSPECTION
Disconnect the thermosensorconnector and remove th e
Suspend the !hermosensor in pan of engine oil on an electric heating element and measure the resis tance through the senso as the oil hea ts up NOTE :
Soak the rhermosen so in oil up to its threads with at least 40 mm (1.57 in) from the bottom of th pan to the bottom of the sensor Keep th temperature constant for mi nutes before esting sudde change of emperature will resul in incorrect readi ngsDo not let the th erm omete and thermosensor touch the panTemperature Resista nee