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Engagement of "R", "D" or "L"
A
B
C
D
E
F
a
b
c
d
e
t
g
4
h
m
n
p
q
s
NO
P
Q
R
S
T U V WX
y
Z
Bumpy
..
.
.........
.
.........
..
.. .
Delayed
.
...
..
.
o
o
o
• • •
o
• • • • • •
o
o
o
o
• •
•
• •
o
o
• •
2
l
6
7
13
8
9
10
11
12
None ....
o
•
•
•
• •
o
o
o
o
o
o
2
3
2
5
3
4 7 6
5
3 4 5
6
7
8
9
10
Starting from rest
None forward
.....
.
.
.
.
o
• •
o
•
• • • •
•
o
• • •
• • • •
None reverse
Seizure reverse .
o
o
o
o
No neutral
Upshifts
No 1-2
o
• • • • •
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
'
o
o .
o
o
o
o
o
o
o
No
2-3 .............
o
o
o
o
o
o
o
o
o
o .
o
o
o
'
o
o
Above normal shift speeds
o
o
o
o
o
o ,
• •
o
o
o
Below normal shift speeds
o
o
o
Upshift quaiity
Slip on 1-2 ....
o
o '
o
o
o
o
o
o
o
o .
o "
o
o
o ,
o
• •
o
o
o .
Slip on
2-3
o "
o
o
.
'
o
o
o
.
Rough on 1-2
.
o
o
o
• •
o
o
o
o
o
•
'
• •
o
o
o
o
o
o
o
o
•
o
o
'
Rough on
2-3 .
o
o
o
•
o
o
•
,
•
o
•
o
'
o
o
o
o
•
•
o
'
•
Seizure on 1-2
Seizure on
2-3
Downshifts
No 2-3
...
....
o
o
o .
o
o
o
o .
o
o
o
o .
O "
o
.
o
o
o
o
o
o
o
No 3-2
...
o
• • • • •
o .
o
o
• • • • •
o
o
o
o
o
o
o
o
o
•
•
o
o
o
o
Involuntary high speed 3-2
.
o
• •
o
o '
'
o
o
• •
o
•
Above normal shift speeds
.
o
o
_ _ , o
o .
o
•
•
•
o
o
•
Below normal shift speeds
'
.
o
•
o
o
o
o
o
o
Downshift quaiity
Slip on 2-1 ......
o .
o
•
•
o
o
o
o
o
o
o
o
o .
Slip on 3-2
.,.
o
o
o
o
• •
o
o
o
o
o
•
•
o .
o .
Rough on 2-1 ..
o
'
o
•
•
o
•
•
o
o
o
o
o
o
•
o
o
o
•
o
o
o
•
Rough on 3-2
.,
o
o
o
•
o
o
•
o
'
o
•
o
o
o
o
o
o
•
• •
'
Line pressure
Low, idling ....
.
o
o
o
o
o
o
o
o
o
•
o
o
o
•
o
o
o
o
o
o
o
High, idling
o "
o
o
• •
o
• • •
o
o
• • •
o
• •
o
• • • • • •
o
•
o
o
Low
at
stall
.....
.
o
o
o
o
o
o
o
o
o
•
o
o
o
•
o
• • •
o
•
o
• •
High at stall ....
o
•
o
o
o
•
o
o
o
o
o
o
•
o
• •
o
o
• • •
o
• • •
Stall speed
More
than
600
r.p.m. below
nominal
speed
2
2
l
l
l
l
3
3
2
3
l
2
2
2
4
4
2
2
3
2
2 7 6
5
3
8
9
10
8
9 10
8
9
10
5
6
8
9
10
6
9 10
11
7
10
3
6
3
5
6
2 3 4
2
5
6
5
6
6
7
8
4
3
5
3
6
8
5
4
3
5
6
8 7 3
4
l
6
6
2
2
7
8
4
4
7
7
7
5
3
4
3
2
3
3
6
4
4
3
2
3
2
3
5
4.
6
4
4 2 3
4
2
7 8 3
5
3
4
2
4
5 4 9
2
3
4
9
2
7
2
2
9
5
5
3
5
2
5
5
6
4
5
9
2
6 7 8
5
8
3
4
Over
2500
o
• • • • •
o
o '
o
o
o
o
o
o
o
•
o
• •
o
•
o
o
o
•
o .
o
o
o
2
2
3 4 5 6 7
6 5 8 9 1 0 1 1
2
3
8
3
7
9
10
11
No push start
Overheating
The numbers indicate the recommended sequence of fault investigation
A.
Fluid level incorrect.
B.
Downshift valve cable incorrectly assembled or adjusted.
C.
Manual linkage incorrectly assembled or adjusted.
D.
Incorrect engine idling
speed.
E.
Incorrect front brake band adjustment.
F.
Incorrect rear brake band adjustment.
FAULT
IN,
V ESTIGATION KEY
Preliminary adiustment faults
p.
q.
s.
2-3
shift
valve plunger sticking.
Converter
"out"
check valve
missing
or sticking.
Pump check
valve
missing
or sticking.
Mechanical faults
N.
Front
clutch
slipping
due to
worn
plates or
faulty
parts.
O.
Front clutch seized or plates distorted.
7
4
8
12
12
9
Hydraulic controi faults
P.
Rear
clutch slipping due
to worn plates
or faulty
check valve in
piston.
a.
Oil tu bes missing or not installed correctly.
Q.
Rear clutch seized or plates distorted.
10
b.
Sealing rings missing or broken.
c.
Valve body assembly
screws
missing or incorrectly tightened.
R.
Front
band slipping due to faulty servo, broken or worn brake band.
S.
Rear brake band
slipping
due to
faulty
servo, broken or worn brake band.
d.
Primary
regulator
valve sticking.
e.
Secondary regulator valve sticking.
f.
Throttle valve
sticking.
g.
Modu lator valve sticking.
h.
Governor va lve sticking, leaking or incorrectly fitted.
I.
Orifice controi valve sticking.
m.
1-2 shift valve sticking.
n.
1-2 sh ift valve sticking.
QUICK-RE-FERENCE
FAULT-T~ACIN'G
CHART FOR AUTOMATIC TRANSMISSION
(Thti
numbers indicate
the
recommended sequense of fault investigation)
T.
One-way clutch slipping or incorrectly fitted.
U.
One-way clutch seized.
,
V.
Input shaft broken.
W.
Front pump drive fingers on converter hub broken.
X.
Front pump worn.
Y.
Rear pump worn or drive key broken.
Z.
Converter blading and/or one-way clutch fails.
4
l
13
4
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