TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-613
[RE5F22A]
D
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F
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AT
Revision: November 2006
2006 Altima
DIAGNOSTIC PROCEDURE
1.
CHECK MANUAL MODE SWITCH CIRCUIT
Check the manual mode switch circuit. Refer to
AT-586, "DTC P0826 MANUAL MODE SWITCH CIRCUIT"
.
OK or NG
OK >> GO
TO
2.
NG
>> Repair or replace damaged parts.
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis.
Is any malfunction detected by self-diagnostic?
YES
>> Check the malfunctioning system.
NO
>> INSPECTION END
A/T Does Not Shift: 5th gear
→
4th gear
ECS009IW
SYMPTOM:
When shifted from 5M to 4M position in manual mode, does not downshift from 5th to 4th 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:
–
Forward and direct clutch assembly. Refer to
.
–
2nd coast brake. Refer to
AT-662, "Oil Pump, 2nd Coast Brake & 2nd Brake"
Outer Race Sub Assembly & 2nd Coast Brake Hub & One-Way Clutch No.1"
.
–
One-way clutch No.1. Refer to
AT-668, "One-Way Clutch Outer Race Sub Assembly & 2nd Coast Brake
.
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.