Infiniti FX35 / FX45. Manual — part 65
AT-188
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
7.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-215, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
.
2.
Check A/T fluid condition. Refer to
.
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.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Value"
.
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.
A/T Does Not Shift: D
4
→
D
5
INFOID:0000000001327372
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-178, "Vehicle Does Not Creep Forward in "D" Position"
,
2.
CHECK SELF-DIAGNOSTIC RESULTS
SCIA5199E
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-189
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
M
A
B
AT
N
O
P
With CONSULT-III
• Perform self-diagnosis.
Without CONSULT-III
• Perform self-diagnosis. Refer to
AT-91, "Diagnosis Procedure without CONSULT-III"
.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-84, "CONSULT-III Function (TRANSMISSION)"
,
AT-91, "Diagnosis Procedure without CONSULT-III"
.
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
"Inspections Before Trouble Diagnosis"
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-215, "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.
6.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-215, "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.
SAT638A
SAT494G
AT-190
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
7.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-215, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
.
2.
Check A/T fluid condition. Refer to
.
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.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Value"
.
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.
A/T Does Not Lock-up
INFOID:0000000001327373
SYMPTOM:
A/T does not lock-up at the specified speed.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
• Perform self-diagnosis.
Without CONSULT-III
• Perform self-diagnosis. Refer to
AT-91, "Diagnosis Procedure without CONSULT-III"
.
Is any malfunction detected by self-diagnostic results?
SCIA5199E
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-191
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
M
A
B
AT
N
O
P
YES
>> Check the malfunctioning system. Refer to
AT-84, "CONSULT-III Function (TRANSMISSION)"
,
AT-91, "Diagnosis Procedure without CONSULT-III"
.
NO
>> GO TO 2.
2.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
.
OK or NG
OK
>> GO TO 3.
NG
>> Refill ATF.
3.
CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to
"Inspections Before Trouble Diagnosis"
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-215, "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 6.
NG
>> Repair or replace damaged parts.
5.
DETECT MALFUNCTIONING ITEM
1.
Check control valve with TCM. Refer to
AT-215, "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 6.
NG
>> Repair or replace damaged parts.
6.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-215, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
.
SAT638A
SAT494G
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