2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 420Get this manual
ELECTRIC SHIFT PROGRAM (ESPFE model)
ANGLE SENSOR
INSPECTION
Remove the right inner fender (page 3-7)Disconnect the angle sensor 3P connectorANGLE SENSOR 3P CONNECTOR
SENSOR RESISTANCE Measure the resistance between the Blackred and Greenblue terminal of the angle sensorSTANDARD:kii (20C68F) Check that the resistance between the Yellowblue and Greenblue terminals varies with the gear position while shifting the gear manually using the gear change toolFrom neutral to 5th gear: Resistance increase From 5th gear to neutral: Resistance decreases
INPUT VOLTAGE Turn the ignition switch to ON and measure the input voltage between the Blackred (+) and Green blue (-) terminal of the wire harness side connectorSTANDARD: 4.75.3 If the input voltage is out of specification, check for open or short circuit in the Blackred and Greenblue wires between the angle sensor and ECMIf the wires are OK, replace the ECMANGLE SENSOR CONNECTOR (Viewed from the terminal side) Blackred (+) Greenblue (-)