1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 344Get this manual
ELECTRIC SHIFT PROGRAM (After 2001TE model) Problem Code 11Speed Sensor System (Vehicle Speed) Make sure the speed sensor is installed correctly r- Abnormal Reinstall the speed sensor correctly (page 19-8)
(page 19-81
Check that the speed sensor function properly (page 19-8) and the engine running normally
fAbnormal- Faulty speed sensor
Turn the ignition switch to "OFF"Disconnect the EeU connector (22PBlack) and
No continuity- Open circuit in PinkGreen wire
speed sensor connectorCheck for continuity in the PinkGreen wire between the ECU connector and vehicle speed sensor terminals