AT-88
[RE4F04B]
TROUBLE DIAGNOSIS - BASIC INSPECTION
Revision: November 2006
2006 Altima
5.
CHECK LOCK-UP (D
4
TO D
4
L/U)
Does A/T perform lock-up at the specified speed?
Read vehicle speed, throttle opening when lock-up duty becomes 94%.
Yes or No
Yes
>> GO TO 6.
No
>> Go to
AT-243, "12. A/T Does Not Perform Lock-up"
.
Continue ROAD TEST.
6.
CHECK HOLD LOCK-UP
Does A/T hold lock-up condition for more than 30 seconds?
Yes or No
Yes
>> GO TO 7.
No
>> Go to
AT-245, "13. A/T Does Not Hold Lock-up Condition"
7.
CHECK SHIFT DOWN (D
4
L/U TO D
4
)
1.
Release accelerator pedal.
2.
Is lock-up released when accelerator pedal is released?
Yes or No
Yes
>> GO TO 8.
No
>> Go to
AT-247, "14. Lock-up Is Not Released"
. Continue
ROAD TEST.
8.
CHECK SHIFT DOWN (D
4
TO D
3
)
1.
Decelerate vehicle by applying foot brake lightly.
2.
Does engine speed return to idle smoothly when A/T is shifted
from D
4
to D
3
?
Read gear position and engine speed.
Yes or No
Yes
>> 1. Stop vehicle.
2. Go to
No
>> Go to
AT-248, "15. Engine Speed Does Not Return To
. Continue ROAD TEST.
Specified speed when
lock-up occurs
SAT957I
SAT958I
SAT959I