2000-2003 Honda TRX350 Rancher factory service manual, Page 347Get this manual
ELECTRIC SHIFT PROGRAM (ESP) Problem Code 11: Vehicle Speed Sensor System Check the vehicle speed indicator during low speed drivingAbnormal Check the combination meter (page 20-2)
Check the connection of the PinkGreen and Black Blue wires between the ECU and the vehicle speed sensor
Abnormal
Loose or poor contact of related terminals
Turn the ignition switch OFF''Disconnect the ECU connector (22PBrown) and speed sensor connectorCheck for continuity of both the PinkGreen wire and the BlackBlue wire between the ECU connector and vehicle speed sensor terminals