Acura 1994 Integra Service Manual page 410

Lock-up Control
From sensor input signals, the TCM determines whether to turn the lock-up
solenoid valve A and/or B accordingly.
The combination of driving siqnals to lock-up control solenoid valves A and
ON or OFF and activates lock-up control
B is shown in the table below.
\
Lock-up control Solenoid valve
B
Lock-up condition
\
Lock-up OFF
O F F OFF
Lock-up, slight O N O F F
Lock-up. halt ON
O N
Lock-up. full
ON
O N
Lock-up
during deceleration
ON Duty operation
O F F - O N
Shifl Conrrol
The TCM instantaneously determines which gear should be selected by various signals sent trom sensors. and actuates
the shift control solenoid valves A and B control shitting. Also. a Grade Logic Control System has been adopted to control
shifting in E]
position while the vehicle is ascending or descending a slope, or reducing speed.
\
Shift control solenoid valve
t"*b"
,t"-l
------\
B
E , E
('l st)
O F F
O N
( 2 n d l
O N
O N
( 3 r d )
O N O F F
E
(4th)
O F F
O F F
a
( 2 n d )
O N O N
tr
(lst)
O N O F F
l-Rl
{Reverse) O N O F F
(cont'd)
14-19