2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 55Get this manual
TECHNICAL FEATURES 1st gear and Reverse gear
Gear position
1stIReverse (idling) 1stReverse {riding)
AfT Clutch PC Solenoid ON- O-.r- -OFF OFF ON OFF
Shift Clutch-
-;;-_ 181 ,-;;"Engaged" "Engaged"
The hydraulic passage is connected to supply hydraulic oil to the tst shift clutch, and the clutch is engagedOil is supplied by way of: AIT clutch PC solenoid valve 1-2 Shift valve 151 Shift clutch (Oil is drained by way of: 2nd Shift dutch c; 2-3 Shift valve 1-2 Shift valve 2-3 Shift valve) 3rd Shift clutch
At idling, the AfT clutch PC solenoid velve ls on (valve closed} to eliminate vehicle creepAt start up, the AfT clutch PC solenoid valve controls the clutch hydraulic pressure to the linear valve according to the signal from the PCMAt riding, the AfT clutch PC solenoid valve is off (valve open) supplying sufficient hydraulic oil to the shift clutch Control of the hydraulic passage during driving in Reverse gear is the same, However, the vehicle can be driven only in the 1st-hold mode (no shift)3rd SHIFT CLUTCH