Infiniti F50. Manual — part 91
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-249
D
E
F
G
H
I
J
K
L
M
A
B
AT
6.
DETECT MALFUNCTIONING ITEM
1.
Control valve assembly. Refer to
AT-289, "Control Valve Assembly"
2.
Disassemble A/T. Refer to
.
3.
Check the following items:
–
Oil pump assembly. Refer to
.
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
7.
DETECT MALFUNCTIONING ITEM
1.
Control valve assembly. Refer to
AT-289, "Control Valve Assembly"
2.
Disassemble A/T. Refer to
.
3.
Check the following items:
–
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-289, "Control Valve Assembly"
2.
Check A/T fluid condition.
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
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 11.
SAT171B
AT-250
TROUBLE DIAGNOSIS FOR SYMPTOMS
11.
PERFORM TCM INSPECTION
1.
Perform TCM input/output signal inspection.
2.
If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
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.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-251
D
E
F
G
H
I
J
K
L
M
A
B
AT
Vehicle Cannot Be Started From D
1
ECS0089E
SYMPTOM:
Vehicle cannot be started from D
1
on cruise test - Part 1.
DIAGNOSTIC PROCEDURE
1.
CONFIRM THE SYMPTOM
Check if vehicle creeps in “R” position.
OK or NG
OK
>> GO TO 2.
NG
>> Refer to
AT-245, "Vehicle Does Not Creep Backward In “R” Position"
2.
CHECK SELF-DIAGNOSTIC RESULTS
Execute self-diagnosis.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system.
NO
>> GO TO 3.
3.
CHECK ACCELERATOR POSITION (APP) SENSOR
Check accelerator pedal position (APP) sensor. Refer to
AT-144, "DTC P1705 THROTTLE POSITION SEN-
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace accelerator pedal position (APP) sensor.
4.
CHECK A/T FLUID LEVEL
Check A/T fluid level again. Refer to
OK or NG
OK
>> GO TO 5.
NG
>> Refill ATF.
5.
CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to
OK or NG
OK
>> GO TO 8.
NG - 1 >> Line pressure high. GO TO 6.
NG - 2 >> Line pressure low. GO TO 7.
SAT638A
SAT494G
AT-252
TROUBLE DIAGNOSIS FOR SYMPTOMS
6.
DETECT MALFUNCTIONING ITEM
1.
Control valve assembly. Refer to
AT-289, "Control Valve Assembly"
.
2.
Disassemble A/T. Refer to
3.
Check the following items:
–
Oil pump assembly. Refer to
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace damaged parts.
7.
DETECT MALFUNCTIONING ITEM
1.
Control valve assembly. Refer to
AT-289, "Control Valve Assembly"
.
2.
Disassemble A/T. Refer to
3.
Check the following items:
–
Oil pump assembly. 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-289, "Control Valve Assembly"
2.
Check A/T fluid condition.
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
OK or NG
OK
>> GO TO 10.
NG
>> Repair or replace damaged parts.
10.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 11.
SAT171B
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