As the speed of the vehicle reacneslhe'prescrio-eO
vatue, the PCM.turns shift solenoid valve A OFF. and keeps B and C
ON, and D and E OFF. Shift sotenorJvatle n pressure {Sn) in the right
side of the shift valve A is released The shift
V a | V e A i s m o v e d t o t h e r i g h t S i d e t o u n c o v e r t h e p o r t s o f A / T c l u t c h p r e s s u r e c o n t r o I S o I e n o i d v a | V e s p r e s s u r e s
l e a d i n g t o t h e l s t a n d 2 n d c I u t c h e s . t h e p c M c o n t r o t s l l . l 6 { r T c I u t c h p r e s s u r e c o n t r o l s o I e n o i d V a I V e s t o r e g u I a t e
hydraulic pressure. A/rT clutch pressure control solenoid valve A
pressure (55) changes to lst clutch pressure (10) at
the shift valve B, and A,/T clutch pressure control solenoid valve B
pressure (56) changes to 2nd clutch pressure (20) at
the shift valve A. The 1st and 2nd clutches are engaged gently
NOTE: When used,
"1eft" or "right" indicates direction on the hydraulic circuit'