Honda MUV700 big red Service Manual page 63

I
TECHNICAL FEATURES
1st gear and Re verse gea r
Gear
pos iti~ o~ n ---A " l rT "'C'lut ch 1'==~ S ~h~; f t t ] S ~ o ~ ' .~ n ~ o': ;d ~
1--.=>.:
.=-==c.--,c ! -= c:..:: s Oo' N enOid
11
A B
1sVReverse (idling ) _ ON OFF
1sVReverse (driving)
I
OFF
_:t=jo ~Nft=t=ofuF~F
Shift Clutch
2nd
+
, ..
"Engaged"
"Engage " d "· + - - -
3 r~
,
• The hydraulic passage is connected to supply hydraulic oil to the 1st shift clutch, and the clutch is engaged.
Oil is supplied by way of:
AJT
clutch PC solenoid valve , ' ·2 Shift valve
¢
1st Shift clutch
(Oil is drained by way of:
2nd Shift clutch
<::¢>
2-3 Shift valve
-'>
1-2 Shift valve
3rd Shift clutch
¢
2-3 Shift valve)
• AI idling, the AfT clutch PC solenoid valve is on (valve closed) to eliminate vehicle creep.
At start up, the AIT clutch PC solenoid valve controls the clutch hydraulic pressure to the linear valve according to the
signal from the PCM .
AI driving, the
AIT
clutch PC solenoid valve is off (valve open) supplying sufficient hydraulic oil to the shift clutch.
• Control of the hyd raulic passage during driving in Reverse gear is the same. However, the vehicle can be driven only in
the 1st-hold mode (no shift).
'od
TORQUE CONVERTER
OIL PUMP
3rd
SHIFT CLUTCH
2·3 SHIFT VALVE
SHIFT
SOLENOID
VALVE B
II
3rd ORIFICE
CONTROL
VALVE
2nd
ORIFICE
CONTROL
VALVE
SHIFT
SOLENOID
VALVE A
' ·2SHIFT
VALVE
~~~~~~~~\ " -------I-EMERGENCY
U]
VALVE
AfT
CLUTCH PC
SOLENOID VALVE
L_r
2-11