Toyota ZZT230 series Repair Manual page 377

Dl-166
Fully apply
the parking brake.
(2)
I d l e spee d :
650
Start the engine and check idle speed.
(3)
( 4 }
:!: 50
Shift the shift lever from N to D position. Using a stop watch, measure the time from when the
nme l a g: N
lever is shifted until the shock is felt.
� D Less
( 5 }
N->
Time Less
In the same manner, measure the time lag for N
lag:
Eval u ati o n N -> l i m e or N -> R ti m e l a g I s l o nger than spacl l
R
(If D
N � 0 time lag
r
iS l o ng
e
N -+ R time lag
is longer
TEST
8. HYDRAULIC
Measure pressure.
•
NOTICE:
the line
•
the t e st at normal operati 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 be carri e d out I n pai r s. One techni c i a n shoul d
Do
•
the condi t i o ns wheel s or wheel stoppers outsi d e the vehi c l e whi l e the other I s doi n g the test.
of
Be careful to prevent SSTs hose from I n terf e ri n g wi t h the exhaust pi pe .
up
Warm the ATF.
(1)
Remove the test
(2}
(See page AX-30 for the location to connect SST)
t
SST
09992-Q0095 (09992-Q0231 , 09992-Q0271)
Fully app l y
(3) h e parking brake and chock the 4 wheels.
( 5 )
Connect an OBD
(4)
( 6 }
r
Start the engine and check idling speed.
Keep you left foot pressed firmly on the brake
( 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
I n
engine speed reaches stall speed.
Spacf f i ed l i n e pressure:
the same manner,
(9)
Condition
Idling
·�'
rpm (I n N posi t i o n and ai r condi t i o ner OFF)
t h an 1. 2 seconds
than seconds
1.5
Problem
plug
on the transaxle case front left side and connect SST.
I I
scan tool or TOYOTA hand-held tester to DLC3.
do
the test in R position.
kPa (kgl/cm 2 ,
D JXJSitlon
372-412 (3.8-4.2, 54- 59)
931 - 1 ,031 (9.5 - 1 0.5, 134- 149)
�
R.
ed
:
l )
worn
Possible
• too low
line pressure
•Forward clutch
too low
• OlD one-way clutch not operating
•Line
pressure
•Direct
clutch worn
reverse wom
• 1st & brake
• OlD one-way clutch not operating properly
(122 -176
50 - 80 ·c
"F)
pedal
and shift into D position.
A position
psi)
672-742 {6.9 - 7.6, 97- 1 07)
1,768- 1,968 {18.0 - 20.1' 255- 284)
causa
observe
kPa (kgl/crn 2 ,
psi)