Governor Pressure
Driving
Speed
20
mile/h
35 mile/h
55
mile/h
Stall Revolution
Before break
in
1---
-
1,
950 - 2,200
rpm
Shift Speed
Throttle condition
Wide
open throttle
(O
-lOOmm-H
g)
0 -
3.94
in-Hg
Half throttle
(200
±
10
mm-Hg
)
7.87
±
0.39
in-Hg
Fully closed
throUle
Manual I
Standard governor pressure
kg/cml
Jb/in2
0.9
-1.4
12.8
-1
9.9
1.9-2.6
27.0-37.0
4.
0-5
.0
56.9-71.1
After break
in
2,000 -
2,
250
rpm
Gear
shift
Shift speed
mile/h
D1
-02
29-40
D2-
DJ
51-65
D3
-D2
44-57
02-01
20-30
~
1-02
8-17
D2-D3
16-35
DJ-+
01
6-13
12-11
23-30
7B
78-F-4.
Checking Governor Pressure
Before testing, check the transmission fluid level.
I.
Connect a pressure
gauge
(49
0378 400A)
as
shown
in Fig.
78-64.
2. Read the pressure with the vehicle running at the
speeds specified in t
he
specification section.
If
pressures are not within specifications, disassemble
and check the governor
valve
.
78-F-5.
Stall
Te
st
1.
Start
the engine to allow it to reach its normal
operation temperature.
Before testing, check the transmission fluid level.
2. Connect a tachometer to the engine.
Be
sure
to
place the tachometer where it
is
visible
from the driver's seat.
3. Chock the front and rear wheels. Then apply
both
the parking and service brakes while making this
test.
Be
sure to depress the brake pedal firmly with the
left foot before depressing the accelerator pedal.
4.
Shift the selector lever
to
"O"
position.
5.
Slowly depress the accelerator pedal until the throttle
valve
is
fully opened. Quickly read and record the
engine revolution at stall condition and then release
the accelerator pedal.
Note:
The
test
time from starting accelerator depression
to
its
release
must
not
exceed 5 seconds.
6.
Shift
the selector lever
to
"N"
position and operate
the engine
at
idling for more than one minute to
cool down the torque converter oil and coolant.
7.
Make
similar stall tests in
"2",
"l"
and
"R".
78-F-6.
Checking
Shift
Point
I.
In
"D"
position, gear changes,
D1
-
D2
-
03
are
effected.
In
"R"
position, the speed does
not
increase.
2. The kickdown operates properly.
3.
By
shifting the selector lever from
"D"
to
"2"
"l
",
gear changes
03 -
2(12
)-11
are effected.
In
the ranges
"l
2"
and
"l
1
",
the engine braking
works properly.
4. In
"I"
position, the speed does not increase.
5.
Should
be quickly fixed at
"2"
position.
6.
In
"P"
position, vehicle can be parked properly.
7. Check the shift points according
to
the specifications.
7B:
18
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