Nissan Frontier D22. Manual — part 98
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-361
[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
>> 1. Disassemble A/T.
2. Check the following items:
–
Forward clutch assembly
–
Overrun clutch assembly
–
Reverse clutch assembly
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.
SAT171B
AT-362
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
5. Large Shock. N
→ R Position
ECS007OB
SYMPTOM:
●
There is large shock when changing from N to R position.
1.
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle
position sensor circuit?
Yes or No
Yes
>> Check damaged circuit. Refer to
AT-255, "DTC P0710 A/T FLUID TEMPERATURE SENSOR
AT-306, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
No
>> GO TO 2.
2.
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to
(VG33E only) or
EC-1350, "DTC P0121 TP SENSOR"
(VG33ER only).
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace throttle position sensor.
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in D 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
LAT456
AAT495A
SAT494G
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-363
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
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.
AT-364
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
6. Vehicle Does Not Creep Backward In R Position
ECS007OC
SYMPTOM:
●
Vehicle does not creep backward when selecting R 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 1 and R positions.
Refer to
OK or NG
OK
>> GO TO 3.
OK in 1 position, NG in R position>>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
NG in both 1 and R positions>> GO TO 6.
SAT638A
SAT493G
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