TROUBLE DIAGNOSES FOR SYMPTOMS
AT-377
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK A/T FLUID CONDITION
1.
Remove oil pan.
2.
Check A/T fluid condition.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 7.
5.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
AT-402, "REMOVAL"
.
2.
Check the following items:
–
Shift valve B
–
Overrun clutch control valve
–
Shift solenoid valve B
–
Pilot valve
–
Pilot filter
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
6.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END.
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
7.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
AT-402, "REMOVAL"
.
2.
Check the following items:
–
Shift valve B
–
Overrun clutch control valve
–
Shift solenoid valve B
–
Pilot valve
–
Pilot filter
3.
Disassemble A/T.
4.
Check the following items:
–
Servo piston assembly
–
Brake band
–
Torque converter
–
Oil pump assembly
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
SAT171B