DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
AT-161
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006
2006 Altima
TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)
Diagnostic Procedure
ECS00985
1.
CHECK SHIFT UP (D
3
TO D
4
)
During
, does A/T shift from D
3
to D
4
at the specified speed?
Yes or No
Yes
>> GO TO 11.
No
>> GO TO 2.
2.
CHECK LINE PRESSURE
Perform line pressure test.
Refer to
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 6.
TERMINAL
WIRE COLOR
ITEM
CONDITION
DATA (APPROX.)
1
G/R
LINE PRESSURE SOLENOID
VALVE
WHEN ACCELERATOR PEDAL
IS RELEASED WHILE DRIVING
1.5 - 3.0V
WHEN ACCELERATOR PEDAL
IS DEPRESSED WHILE DRIVING
0V
2
W/B
LINE PRESSURE SOLENOID
VALVE (DROPPING RESIS-
TOR)
WHEN ACCELERATOR PEDAL
IS RELEASED WHILE DRIVING
4 - 14V
WHEN ACCELERATOR PEDAL
IS DEPRESSED WHILE DRIVING
0V
3
G/B
TORQUE CONVERTER
CLUTCH SOLENOID VALVE
WITH TORQUE CONVERTER
LOCK-UP
8 - 15V
WITHOUT TORQUE CON-
VERTER LOCK-UP
0V
SAT988H
Engine Speed
RPM
Line Pressure kPa (kg/cm
2
, psi)
D, 2 and 1 Position
R Position
Idle
500 (5.1, 73)
778 (7.9, 113)
Stall
1,233 (12.6, 179)
1,918 (19.6, 278)
