Toyota ZZT230 series Repair Manual page 440

HYDRAULI C TEST
e
8.
NOTI C E:
•
M as ure the line pressure.
the t e st at n o rmal o perat i o n fl u i d t e mperat u re
•
The l i n e pressure t e st shoul d al w ays
Do
t h e co ndi t i o ns
•
caref u l to prevent SSTs ho se fr o m I n t e rf e ri n g wi t h t h e exhaust
Be
Warm
(1)
( S ee
(2} Remove the test plug on the transaxfe case front left side and connect SST.
SST
09992-Q0095 (09992-Q0231 , 09992-Q0271 )
(3)
Fully apply the parking
St a r t
Connect an 080 II scan tool or TOYOTA han�eld tester to DLC3.
(4)
(5)
(6 )
Keep your left foot pressed firmly on the brake pedal and shift into D position.
( 8 )
(7) Measure the line pressure when the engine is idling.
Depress the accelerator pedal all the way down. Quickly read the highest line pressure when
engine speed reaches stall speed.
Speci f i e d l i ne pressure:
(9) In the same manner, do the test in
Co""'lon
Idling
S
)
Eval u at i o n:
If the measured pressure
lhe
measured values at all posilion
If
If ttl& measul'9d values at
is
II pressure low in the
If pressure Is low in
)
wheel s o r wheel st o ppers o ut s i d e the vehi c l e
of
up the ATF.
page AX-30 for the location to connect SST)
brake
the engine and check idling speed.
0
I S
t
al l 1,157- 1,265 (11.8 - 12.9, 168 - 183)
not up to spec1f1ed value, recheck the throttle cable adjustment and retest.
Problem
higher
ara
aU lower'
position are
0 position only
the A position only
DIAGNOSTICS
AUTOMATIC TRANSAXLE IU341 E)
50-80 ·c ( 1 22 -176
carri e d o ut I n pai r s. One t e chni c i a n
be
and chock the 4 wheels.
A
position.
kPa (kgf/cm 2 , psi)
poslllon
372 -412 (3.8-4.2, 54-60)
. .
•
Shift solenoid
•
Regulator valva delectiva
solenoid valva
•Shift
• Regulalor valva defective
• Oil
pump delactive
• 0
position circuit fluid laakaga
• Forward clutch defective
• A position circuit fluid laakaga
• Aevarsa
1st reverse brake defective
&
•
'F)
the o t h er
i pe
while
p .
kPa (kgffcm 2 , psi)
position
A
588-686 (6.0- 7.0, 65 - 100)
1,589 - 1,765 (16.2- 18.0, 230 -256}
Possible causa
SLT
valva
SLT
clutch defective
01-229
e e
should observe
.
Is doing th t st