TROUBLE DIAGNOSIS
AT-73
D
E
F
G
H
I
J
K
L
M
A
B
AT
No shock at all or
the clutch slips
when vehicle
changes speed D
1
→
D
2
or M
1
→
M
2
.
ON vehicle
1. Fluid level and state
AT-52
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
AT-116
,
AT-165
3. ATF pressure switch 5 and direct clutch solenoid valve
AT-242
,
AT-199
4. CAN communication line
AT-103
5. Line pressure test
AT-53
6. Control valve assembly
AT-312
OFF vehicle
7. Torque converter (ATF condition “NG” only. Refer to
AT-52, "Fluid Con-
dition Check"
.)
AT-342
8. Oil pump assembly (ATF condition “NG” only. Refer to
AT-52, "Fluid
Condition Check"
.)
AT-357
9. 3rd one-way clutch (ATF condition “NG” only. Refer to
AT-52, "Fluid
Condition Check"
.)
AT-360
10. Gear system (ATF condition “NG” only. Refer to
AT-52, "Fluid Condi-
tion Check"
.)
AT-334
11. Direct clutch (ATF condition “NG” only. Refer to
AT-52, "Fluid Condi-
tion Check"
.)
AT-374
12. Forward brake* (ATF condition “NG” only. Refer to
AT-52, "Fluid Con-
dition Check"
.)
AT-19
No shock at all or
the clutch slips
when vehicle
changes speed D
2
→
D
3
or M
2
→
M
3
.
ON vehicle
1. Fluid level and state
AT-52
2. Vehicle speed sensor A/T and vehicle speed sensor MTR
AT-116
,
AT-165
3. ATF pressure switch 6 and high and low reverse clutch solenoid valve
AT-246
,
AT-209
4. CAN communication line
AT-103
5. Line pressure test
AT-53
6. Control valve assembly
AT-312
OFF vehicle
7. Torque converter (ATF condition “NG” only. Refer to
AT-52, "Fluid Con-
dition Check"
.)
AT-342
8. Oil pump assembly (ATF condition “NG” only. Refer to
AT-52, "Fluid
Condition Check"
.)
AT-357
9. 3rd one-way clutch (ATF condition “NG” only. Refer to
AT-52, "Fluid
Condition Check"
.)
AT-360
10. Gear system (ATF condition “NG” only. Refer to
AT-52, "Fluid Condi-
tion Check"
.)
AT-334
11. High and low reverse clutch (ATF condition “NG” only. Refer to
AT-52,
"Fluid Condition Check"
.)
AT-372
12. Forward one-way clutch* (ATF condition “NG” only. Refer to
AT-52,
"Fluid Condition Check"
.)
AT-19
13. Forward brake* (ATF condition “NG” only. Refer to
AT-52, "Fluid Con-
dition Check"
.)
AT-19
Symptom
Condition
Diagnostic Item
Reference page