2006 Honda TRX680 Rincon Factory Service Manual, Page 328Get this manual
DRIVETRAIN SYSTEM If the test result at the PCM is abnormal and the one at the 10P (Green) connector is normal, check for open or short circuit, or loose or poor connector contactIf the both test results are abnormal, replace the handlebar switch (gearshift switch)
DRIVE MODE SELECT SWITCH
INSPECTION
Turn the ignition switch OFFDisconnect the PCM 33P (Black) connector (page 216)NOTE: When reconnecting the PCM 33P connector, check that there is no dirt and oil in the connectorCheck for continuity between the PCM connector terminals in each switch positionTOOL: Test probe 07ZAJ-RDJA110 A18
PCM 33P (BLACK) CONNECTOR (Wire side of female terminal) Green
Blackblue