TROUBLE DIAGNOSIS
AT-69
D
E
F
G
H
I
J
K
L
M
A
B
AT
Lock-up is not
released.
Refer to
AT-267,
"Lock-up Is Not
Released"
.
ON vehicle
1. Fluid level and state
AT-51
2. Line pressure test
AT-52
3. Engine speed signal
AT-115
4. Turbine revolution sensor
AT-152
5. Torque converter clutch solenoid valve
AT-117
6. CAN communication line
AT-99
7. Control valve assembly
AT-289
OFF vehicle
8. Torque converter (ATF condition “NG” only. Refer to
AT-51, "Fluid con-
dition check"
.)
AT-307
9. Oil pump assembly (ATF condition “NG” only. Refer to
AT-51, "Fluid
condition check"
.)
AT-321
Does not change
M5
→
M4.
ON vehicle
1. PNP switch
AT-105
2. Fluid level and state
AT-51
3. Control linkage adjustment
AT-282
4. Manual mode switch
AT-215
5. ATF pressure switch 1
AT-219
6. CAN communication line
AT-99
7. Control valve assembly
AT-289
OFF vehicle
8. Front brake [brake band (ATF condition “NG” only. Refer to
AT-51,
"Fluid condition check"
.)]
AT-307
Does not change
M4
→
M3.
ON vehicle
1. PNP switch
AT-105
2. Fluid level and state
AT-51
3. Control linkage adjustment
AT-282
4. Manual mode switch
AT-215
5. ATF pressure switch 1 and ATF pressure switch 3
AT-219
,
AT-223
6. CAN communication line
AT-99
7. Control valve assembly
AT-289
OFF vehicle
8. Front brake [brake band (ATF condition “NG” only. Refer to
AT-51,
"Fluid condition check"
.)]
AT-307
9. Input clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid condition
check"
.)
AT-326
Does not change
M3
→
M2.
ON vehicle
1. PNP switch
AT-105
2. Fluid level and state
AT-51
3. Control linkage adjustment
AT-282
4. Manual mode switch
AT-215
5. ATF pressure switch 6
AT-231
6. CAN communication line
AT-99
7. Control valve assembly
AT-289
OFF vehicle
8. Front brake [brake band (ATF condition “NG” only. Refer to
AT-51,
"Fluid condition check"
.)]
AT-307
9. Input clutch (ATF condition “NG” only. Refer to
AT-51, "Fluid condition
check"
.)
AT-326
10. High and low reverse clutch (ATF condition “NG” only. Refer to
AT-51,
"Fluid condition check"
.)
AT-336
Symptom
Condition
Diagnostic Item
Reference page