TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
M
A
B
AT
44
Slips/Will
Not
Engage
Vehicle cannot run in
all positions.
ON vehicle
1. A/T fluid level and state
AT-51
2. Line pressure test
AT-53
3. PNP switch
AT-107
4. A/T position
AT-218
5. Control valve with TCM
AT-225
OFF vehicle
6. Oil pump assembly
AT-277
7. Gear system
AT-253
8. Output shaft
AT-261
45
With selector lever in
“D” position, driving is
not possible.
ON vehicle
1. A/T fluid level and state
AT-51
2. Line pressure test
AT-53
3. PNP switch
AT-107
4. A/T position
AT-218
5. Control valve with TCM
AT-225
OFF vehicle
6. Torque converter
AT-261
7. Oil pump assembly
AT-277
8. 1st one-way clutch
AT-287
9. Gear system
AT-253
10. Reverse brake
AT-261
11. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "Cross-Sectional View"
.
AT-249
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT-17,
"Cross-Sectional View"
.
AT-249
46
With selector lever in
“R” position, driving is
not possible.
ON vehicle
1. A/T fluid level and state
AT-51
2. Line pressure test
AT-53
3. PNP switch
AT-107
4. A/T position
AT-218
5. Control valve with TCM
AT-225
OFF vehicle
6. Gear system
AT-253
7. Output shaft
AT-261
8. Reverse brake
AT-261
47
Does Not
Change
Does not change M5
→
M4.
Refer to
AT-207, "A/T
Does Not Shift: 5th
Gear
→
4th Gear"
.
ON vehicle
1. PNP switch
AT-107
2. A/T fluid level and state
AT-51
3. A/T position
AT-218
4. Manual mode switch
AT-161
5. ATF pressure switch 1
AT-165
6. CAN communication line
AT-99
7. Control valve with TCM
AT-225
OFF vehicle
8. Front brake (brake band)
AT-261
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page