TROUBLE DIAGNOSIS
AT-69
D
E
F
G
H
I
J
K
L
M
A
B
AT
26
Slips/Will
Not
Engage
Lock-up is not
released.
Refer to
AT-205,
"Lock-up Is Not
Released"
.
ON vehicle
1. A/T fluid level and state
AT-51
2. Line pressure test
AT-53
3. Engine speed signal
AT-118
4. Turbine revolution sensor
AT-111
5. Torque converter clutch solenoid valve
AT-120
6. CAN communication line
AT-99
7. Control valve with TCM
AT-225
OFF vehicle
8. Torque converter
AT-261
9. Oil pump assembly
AT-277
27
No shock at all or the
clutch slips when
vehicle changes
speed D
1
→
D
2
or
M
1
→
M
2
.
ON vehicle
1. A/T fluid level and state
AT-51
2. Vehicle speed sensor·A/T and vehicle speed sensor·MTR
AT-113
,
AT-134
3. ATF pressure switch 5 and direct clutch solenoid valve
AT-169
,
AT-149
4. CAN communication line
AT-99
5. Line pressure test
AT-53
6. Control valve with TCM
AT-225
OFF vehicle
7. Torque converter
AT-261
8. Oil pump assembly
AT-277
9. 3rd one-way clutch
AT-280
10. Gear system
AT-253
11. Direct clutch
AT-294
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT-17,
"Cross-Sectional View"
.
AT-249
28
No shock at all or the
clutch slips when
vehicle changes
speed D
2
→
D
3
or
M
2
→
M
3
.
ON vehicle
1. A/T fluid level and state
AT-51
2. Vehicle speed sensor·A/T and vehicle speed sensor·MTR
AT-113
,
AT-134
3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve
AT-171
,
AT-153
4. CAN communication line
AT-99
5. Line pressure test
AT-53
6. Control valve with TCM
AT-225
OFF vehicle
7. Torque converter
AT-261
8. Oil pump assembly
AT-277
9. 3rd one-way clutch
AT-280
10. Gear system
AT-253
11. High and low reverse clutch
AT-292
12. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "Cross-Sectional View"
.
AT-249
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT-17,
"Cross-Sectional View"
.
AT-249
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page