Nissan Pathfinder (2007 year). Manual — part 28
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-195
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
6.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sen-
.
2.
Disassemble A/T. Refer to
3.
Check the following.
–
Oil pump assembly. Refer to
–
Power train system. Refer to
–
Transmission case. Refer to
.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
7.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 11.
8.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.12).
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
9.
CHECK SYMPTOM
Check again. Refer to
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 10.
10.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "TCM Input/Output Signal Reference Val-
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
11.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.12).
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
AT-196
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
A/T Does Not Shift: D
4
→
D
5
ECS00ELA
SYMPTOM:
●
The vehicle does not shift-up from the D
4
to D
5
gear at the specified speed.
●
The vehicle does not shift-up from the D
4
to D
5
gear unless A/T is warmed up.
DIAGNOSTIC PROCEDURE
1.
CONFIRM THE SYMPTOM
Check if vehicle creeps forward in “D” position and vehicle can be started from D
1.
OK or NG
OK
>> GO TO 2.
NG
>> Refer to
AT-186, "Vehicle Does Not Creep Forward In “D” Position"
,
.
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 3.
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
AT-12, "Checking the A/T Fluid (ATF)"
OK or NG
OK
>> GO TO 4.
NG
>> Refill ATF.
4.
CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to
OK or NG
OK
>> GO TO 7.
NG - 1 >> Line pressure high. GO TO 5.
NG - 2 >> Line pressure low. GO TO 6.
5.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-197
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
6.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sen-
.
2.
Disassemble A/T. Refer to
3.
Check the following.
–
Oil pump assembly. Refer to
–
Power train system. Refer to
–
Transmission case. Refer to
.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
7.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 11.
8.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.13).
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
9.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 10.
10.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "TCM Input/Output Signal Reference Val-
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
11.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.13).
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
AT-198
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
A/T Does Not Perform Lock-up
ECS00ELB
SYMPTOM:
A/T does not perform lock-up at the specified speed.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
AT-12, "Checking the A/T Fluid (ATF)"
OK or NG
OK
>> GO TO 3.
NG
>> Refill ATF.
3.
CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to
OK or NG
OK
>> GO TO 6.
NG - 1 >> Line pressure high. GO TO 4.
NG - 2 >> Line pressure low. GO TO 5.
4.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
5.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sen-
2.
Disassemble A/T. Refer to
3.
Check the following.
–
.
–
Power train system. Refer to
.
–
Transmission case. Refer to
.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-199
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
6.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 10.
7.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.24).
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
8.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 9.
9.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "TCM Input/Output Signal Reference Val-
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
10.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.24).
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
AT-200
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
A/T Does Not Hold Lock-up Condition
ECS00ELC
SYMPTOM:
The lock-up condition cannot be maintained for more than 30 seconds.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
AT-12, "Checking the A/T Fluid (ATF)"
OK or NG
OK
>> GO TO 3.
NG
>> Refill ATF.
3.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-227, "Control Valve With TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-52, "Fluid Condition Check"
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 7.
4.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.25).
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK SYMPTOM
Check again. Refer to
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 6.
6.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "TCM Input/Output Signal Reference Val-
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
D
E
F
G
H
I
J
K
L
M
A
B
AT
2007 Pathfinder
7.
DETECT MALFUNCTIONING ITEM
●
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.25).
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
AT-202
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
Lock-up Is Not Released
ECS00ELD
SYMPTOM:
The lock-up condition cannot be cancelled even after releasing the accelerator pedal.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-88, "SELF-DIAGNOSTIC RESULT MODE"
NO
>> GO TO 2.
2.
CHECK SYMPTOM
Check again. Refer to
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 3.
3.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signals inspection. Refer to
AT-85, "TCM Input/Output Signal Reference Val-
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
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