Jatco RE4F04B, Manual

Page: 163 / 708

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
AT-163
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006 2006 Altima
7.
CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to AT-267, "Control Valve Assembly and Accumulators" .
–
Line pressure 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 8.
NG >> Replace solenoid valve assembly.
8.
CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-306, "Control
Valve Assembly" .
2. Check line pressure circuit valves for sticking.
–
Pressure regulator valve
–
Pilot valve
–
Pressure modifier valve
OK or NG
OK >> GO TO 9.
NG >> Repair control valve.
9.
CHECK SHIFT UP (D
3
TO D
4
)
Does A/T shift from D
3
to D
4
at the specified speed?
OK or NG
OK >> GO TO 10.
NG >> Check control valve again. Repair or replace control valve assembly.
10.
CHECK DTC
Perform AT-158, "Diagnostic Trouble Code (DTC) Confirmation Procedure" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 11. Check for proper lock-up.
11.
CHECK LOCK-UP
During AT-86, "Cruise Test — Part 1" , does A/T perform lock-up at
the specified speed?
Yes or No
Yes >> Perform “Cruise test — Part 1” again and return to the
start point of this test group.
No >> GO TO 12.
WCIA0099E
SAT367H
SAT989H