2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 397Get this manual
LIGHTSMETERSSWITCHES Fan motor does not start and oil temperature indicator does not come on Remove the front fender (page 3-9)Turn the ignition switch to OFFDisconnect the 33P black connector from the ECMECM 33P BLACK CONNECTOR
Check the Yellowgreen wire for continuity between the 33P connector and oil temperature sensor connector using the special toolTOOL: Pin probe (Male) There should be continuity If there is no continuity, repair open circuit in the Yellowgreen wire If there is continuity, replace the ECM07ZAJ-RDJA110