2000-2003 Honda TRX350 Rancher factory service manual, Page 322Get this manual
LIGHTSMETERSSWITCHES SPEEDOMETERSPEED SENSOR SYSTEM INSPECTION Check that the hour meter or odometertrip meter function properlyIf they do not function, perform the power ground line inspection (page 20-9)If they function, check the followingRemove the right side cover (page 2-4)Disconnect the speed sensor 3P (white) connectorMeasure the voltage between the Blackblue) and Green) wire terminals at the harness side 3P connectorThere should be battery voltage with the ignition switch ONIf there is no voltage, check for open circuit in related wiresIf there is voltage, check the sensor as followsConnect the inspection adaptor to the sensor 3P connectorsTOOL: Inspection adaptor SPEED SENSOR 3P CONNECTOR