2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 401Get this manual
LIGHTSMETERSSWITCHES 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 throttle position sensor and ECMIf the wires are OK, replace the ECM
Greenblue (-) M
3P CONNECTOR
REPLACEMENT
Remove the fuel tank cover (page 3-5)Disconnect the TP sensor connector (page 21-19)Remove the two sensor screws, TP sensor and 0ringO-RING