Toyota ZZT230 series, Repair Manual

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)
)
Dl-225
DIAGNOSTICS
AUTOMATICTRANSAXLE
(b) 2 position test
Shift into the 2 position and fully depress the accelerator pedal and check the following points.
(1)
Check up-shift operation.
HINT:
Check to see that the
1
�
2 up-shift takes place and that the shift point conforms to the automatic
shift schedule (See page S&-43).
There is no
0/0
up-shift and lock-up in the 2 position.
(2) Check engine braking.
While running in the 2 position and 2nd gear, release the accelerator pedal and check the engine
braking effect.
(3) Check for abnormal noises during acceleration and deceleration, and for shock at up-shift and
down-shift.
(c)
L
position test
Shift into the
L
position and fully depress the accelerator pedal and check the following points.
(1)
Check no up-shift.
While running in the
L
position, check that there is no up-shift to 2nd gear.
(2) Check engine braking.
While running in the
L
position, release the accelerator pedal and check the engine braking ef·
feet.
(3) Check for abnormal noises during acceleration and deceleration.
(d)
R
position test
Shift into the
R
position and fully depress the accelerator pedal and check for slipping.
CAUTION:
Before conducting this test ensure that the test area Is free from people and obstruction.
(e) P position test
Stop the vehicle on a grade (more than
5°)
and after shifting into the P position, release the parking
brake. Then, check to see that the parking lock pawl holds the vehicle in place.
6. BASIC INSPECTION
(a) Check 1he fluid level.
HINT:
•
Drive the vehicle so that the engine and transaxle are at
normal operating temperature.
Fluid temp.: 70-80 ·c (158 -176 •F)
•
Only use the COOL range on the dipstick as a rough refer·
ence when the fluid is replaced or the engine does not
run.
(1)
Park the vehicle on a level surface and set the park·
ing brake.
{2} With the engine idling and the brake pedal de·
pressed, shift the shift lever into all positions from P
to L position and return to P position.
{3) Pull out the dipstick and wipe it clean.
(4) Push it back fully into the pipe.
(5)
Pull it out and check that the fluid level is in the HOT
range.
If the level is at the low side, add new fluid.