AT-164
[RE4F04B]
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
Revision: November 2006
2006 Altima
12.
CHECK VALVE RESISTANCE
1.
Remove control valve assembly. Refer to
AT-267, "Control Valve Assembly and Accumulators"
.
–
Torque converter clutch solenoid valve
2.
Check resistance to the terminal and ground.
OK or NG
OK
>> GO TO 14.
NG
>> Replace solenoid valve assembly.
13.
CHECK VALVE OPERATION
1.
Remove control valve assembly. Refer to
AT-267, "Control Valve Assembly and Accumulators"
.
–
Torque converter clutch solenoid valve
2.
Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.
OK or NG
OK
>> GO TO 14.
NG
>> Replace solenoid valve assembly.
14.
CHECK CONTROL VALVE
1.
Disassemble control valve assembly. Refer to
.
2.
Check control valves for sticking.
–
Torque converter clutch control valve
–
Torque converter clutch relief valve
OK or NG
OK
>> GO TO 15.
NG
>> Repair control valve.
15.
CHECK LOCK-UP
Does A/T perform lock-up at the specified speed?
Yes or No
Yes
>> GO TO 16.
No
>> Check control valve again. Repair or replace control valve assembly.
Solenoid valve
Terminal No.
Resistance
(Approx.)
Torque converter clutch solenoid valve
5
Ground
5 - 20
Ω
WCIA0102E
WCIA0101E
SAT367H