AT-614
[RE5F22A]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 2006
2006 Altima
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
A/T Does Not Shift: 4th gear
→
3rd gear
ECS009IX
SYMPTOM:
When shifted from 4M to 3M position in manual mode, does not downshift from 4th to 3rd gear.
DIAGNOSTIC PROCEDURE
1.
CHECK A/T FLUID LEVEL
Check the A/T fluid level. Refer to
.
OK or NG
OK
>> GO TO 2.
NG
>> Refill ATF.
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis.
Is any malfunction detected by self-diagnostic?
YES
>> Check the malfunctioning system.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING ITEM
1.
Control valve assembly. Refer to
AT-629, "Control Valve Assembly"
2.
Disassemble A/T. Refer to
3.
Check the following items:
–
–
U/D brake. Refer to
.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
CHECK TCM
1.
Check TCM input/output signal. Refer to
AT-459, "TCM Input/Output Signal Reference Values"
2.
If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
A/T Does Not Shift: 3rd gear
→
2nd gear
ECS009IY
SYMPTOM:
When shifted from 3M to 2M position in manual mode, does not downshift from 3rd to 2nd gear.