Nissan Frontier D22. Manual — part 99
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-365
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in R position. Refer to
.
OK or NG
OK
>> GO TO 4.
NG
>> 1. Remove control valve assembly. Refer to
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
–
Oil pump assembly
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 6.
5.
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.
SAT494G
SAT171B
AT-366
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
6.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
2.
Check the following items:
–
Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve
3.
Disassemble A/T.
4.
Check the following items:
–
Oil pump assembly
–
Torque converter
–
Reverse clutch assembly
–
High clutch assembly
–
Low & reverse brake assembly
–
Low one-way clutch
>> Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-367
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position
ECS007OD
SYMPTOM:
●
Vehicle does not creep forward when selecting D, 2 or 1 position.
1.
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK
>> GO TO 2.
NG
>> Refill ATF.
2.
CHECK STALL TEST
Check stall revolution with selector lever in D position.
Refer to
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 6.
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in R position.
Refer to
.
OK or NG
OK
>> GO TO 4.
NG
>> 1. Remove control valve assembly.
Refer to
.
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
–
Oil pump assembly
SAT638A
SAT493G
SAT494G
AT-368
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
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 6.
5.
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.
6.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
2.
Check the following items:
–
Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve
3.
Disassemble A/T.
4.
Check the following items:
–
Oil pump assembly
–
Forward clutch assembly
–
Forward one-way clutch
–
Low one-way clutch
–
Low & reverse brake assembly
–
Torque converter
>> Repair or replace damaged parts.
SAT171B
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