Toyota Celica 1993 AT200 series Repair Manual page 317

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A X - 3 8
AUTOMATIC TRANSAXLE _ TROUBLESHOOTING
M E A S U R E L I N E P R E S S U R E
( a ) F u l l y a p p l y t h € p a r k i n g b r a k e a n d c h o c k t h e f r o n t w h e e l s .
( b ) S t a r t t h e e n g i n e a n d c h e c k i d l i n g r p m .
(c) Step down strongly on the brake pedal with your left foot and shrft into D range.
( d ) M e a s u r e t h e l i n e p r e s s u r e w h e n t h o e n g i n a i s i d l i n g .
( e ) P r e s s t h e a c c e l e r a t o r p e d a l a l l t h e w a y d o w n . O u i c k l y r e a d t h e h i g h e s t l i n a p r e s s u r e w h e n e n g i n e
s o e e d r e a c h e s s t a l l s o e a d ,
(f) In the same manner. perform ths tast in R range.
35 _ FE:
5S _ FE:
l f t h e m e a s u r e d p r e s s u r 6 s a r e n o t u p t o s p e c i f i e d v a l u e , r e c h e c k t h s t h r o t t l o c a b l e a d j u s t m g n t a n d
p e r f o r m a r e t e s t .
E V A L U A T I O N
(a) lf the measured values at all ranges are higher than specified:
.
Throttle cable out of adjustment
.
Th rottle valve defective
.
R€g u lator valve dafective
(b) lf the msasured values at all ranges are lower than specified:
r
Throttla cab16 out of adjustment
o
Th rottle valve defective
r
Regulator valve defective
.
Oil pump defective
.
O/D direct clutch defactive
(c) lf pressure is low in the D range only:
o
D r a n g e c i r c u i t f l u i d l e a k a g e
.
Forward clutch defeclive
(d) lf pressure is low in the R range only:
o
R r a n g e c i r c u i t f l u i d l e a k a g e
.
Dir6ct clutch dofective
o
First and reverse brake defective
Automatic Transaxle
ldling
kPa (kgflcm' , psi)
S t a l l k P a ( k g f i l c m ' ,
p s r l
D R a n g e
363 - 422
( 3 . 7 - 4 . 3 , 5 3 - 6 1 )
7 3 6 - 8 6 3
( 7 . 5 - 8 . 8 , 1 0 6 - 1 2 5 )
R R a n g e
5 3 0 - 7 0 6
15.4-7.2, 16- 102)
1 , 1 5 8 - 1 , 3 4 4
{ 1 1 . 8 - 1 3 . 7 , 1 6 8 - 1 9 5 )
A u t o m a t i c T r a n s a x l e ldling
kPa (kgflcm', psi)
Stall
kPa (kgflcm', psi)
D Range
363 422
( 3 . 7 4 . 3 , 5 3 6 1 )
7 3 6 8 6 3
( 7 . s - 8 . 8 , t 0 6 - 1 2 5 )
R R a n g s
6 1 8 7 9 4
i a ? a 1 0 n - t 1 q l
1 , 3 7 3 1 , 6 0 8
( 1 4 . 0 1 6 . 4 , 1 9 9 2 3 3 )