AT-134
[RE4F04B]
DTC P0731 A/T 1ST GEAR FUNCTION
Revision: November 2006
2006 Altima
TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)
Diagnostic Procedure
ECS0097B
1.
CHECK VALVE RESISTANCE
1.
Remove control valve assembly. Refer to
AT-267, "Control Valve Assembly and Accumulators"
.
–
Shift solenoid valve A
–
Shift solenoid valve B
2.
Check resistance between two terminals.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
2.
CHECK VALVE OPERATION
1.
Remove control valve assembly. Refer to
AT-267, "Control Valve Assembly and Accumulators"
.
–
Shift solenoid valve A
–
Shift solenoid valve B
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 3.
NG
>> Repair or replace shift solenoid valve assembly.
TERMINAL
WIRE COLOR
ITEM
CONDITION
DATA (APPROX.)
11
R/Y
SHIFT SOLENOID VALVE A
WHEN SHIFT SOLENOID VALVE
A IS OPERATING (DRIVING IN D
1
OR D
4
)
BATTERY VOLTAGE
WHEN SHIFT SOLENOID VALVE
A IS NOT OPERATING (DRIVING
IN D
2
OR D
3
)
0V
12
LG/B
SHIFT SOLENOID VALVE B
WHEN SHIFT SOLENOID VALVE
B IS OPERATING (DRIVING IN D
1
OR D
2
)
BATTERY VOLTAGE
WHEN SHIFT SOLENOID VALVE
B IS NOT OPERATING (DRIVING
IN D
3
OR D
4
)
0V
Solenoid valve
Terminal No.
Resistance
(Approx.)
Shift solenoid valve A
2
Ground
20 - 30
Ω
Shift solenoid valve B
1
5 - 20
Ω
WCIA0089E
WCIA0090E