Subaru XT 1988 Service Manual page 518

3-2
AUTOMATIC TRANSMISSION AND DIFFERENTIAL
Electronic Control System Schematic
,~\
,'\
'
' "
=i "I":'
'~-
v
--r -'
--=-=-===-:: .-. ------
1--
- t
1+
Vehicle revolution
r--
sensor 2
~o~~
C>
(built in meter) ---=---~
:
1st hold indicator light
1st hold switch
~--1--
2nd range indicator light
'-------
,-
,~--.../
Transmission control signal Power indicator light
i
I
Inhibitor switch
Sh ift solenoid~
1
I
Line pressure solenoid
l
(Duty solenoid A)
Idle switch
ATF
temperature
Shift solenoid·2
Cruise control unit
sensor
Owrrunning clutch
r
1
Cruise signal
Throttle opening
Vehicle revolution
solenoid Dropping
sensor
sensor 1
(Shift solenoid-3) resistor
Engine revolution
(installed in trans-
Lock-up solenoid
signal
mission)
(Duty solenoid B)
I
AfT control unit (FWD)
1
L3-580
Fig.
3
1
4WD
I
r--
--
u=r;g+
Vehicle revolution
sensor 2
:tI~
0 •
(built-in meter)
: f "\
1st hold indicator light
'st hold switch
II'
FWD switch
2nd range indicator light
! 11.
It..Jt-
u
T
-=
'----..----'
Power indicator light
Transmission control signal
r
I
ATF temp. warning light
I nhibitor switch
Shift solenoid-'
I
Line pressure solenoid
I
(Duty solenoid A)
Idle switch
ATF temperature
Sh ift solenoid-2
Cruise control unit sensor
r
Overruning clutch solenoid
r
l
Cruise signal
Throttle opening
Vehicle revolution
(Shift solenoid-31
Dropping
sensor
sensor' resistor
(Installed in
Lock-up solenoid
Engine revolution
(Duty solenoid B)
signal
transmission)
Transfer pressure
solenoid
IOutY solenoid CI
AfT control unit (4WO)
I
L3-581
Fig.
4
4