Infiniti G35 (V35). Manual — part 50
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-191
D
E
F
G
H
I
J
K
L
M
A
B
AT
6.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-225, "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
.
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
7.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-225, "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 8.
NG
>> Repair or replace damaged parts.
8.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
.
2.
Check A/T fluid condition. Refer to
AT-50, "A/T Fluid Condition Check"
.
OK or NG
OK
>> GO TO 9.
NG
>> GO TO 12.
9.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
(Symptom No.23).
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 11.
11.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Values"
.
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.
AT-192
TROUBLE DIAGNOSIS FOR SYMPTOMS
12.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
A/T Does Not Shift: D
1
→
D
2
NCS000I6
SYMPTOM:
The vehicle does not shift-up from the D
1
to D
2
gear at the specified speed.
DIAGNOSTIC PROCEDURE
1.
CHECK 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-188, "Vehicle Does Not Creep Forward in “D” Position"
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
,
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
.
NO
>> GO TO 3.
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
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-225, "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
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-193
D
E
F
G
H
I
J
K
L
M
A
B
AT
6.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-225, "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-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
.
2.
Check A/T fluid condition. Refer to
AT-50, "A/T 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.10).
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.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Values"
.
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.10).
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace damaged parts.
AT-194
TROUBLE DIAGNOSIS FOR SYMPTOMS
A/T Does Not Shift: D
2
→
D
3
NCS000I7
SYMPTOM:
The vehicle does not shift-up from D
2
to D
3
gear at the specified speed.
DIAGNOSTIC PROCEDURE
1.
CHECK 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-188, "Vehicle Does Not Creep Forward in “D” Position"
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
,
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
.
NO
>> GO TO 3.
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
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-225, "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
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
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