Nissan Almera Tino V10. Instruction — part 103
AT-136
[EURO-OBD]
DTC P0731 A/T 1ST GEAR FUNCTION
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION:
●
Always drive vehicle at a safe speed.
●
Be careful not to rev engine into the red zone on the tachometer.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE” has been previously conducted,
always turn ignition switch “OFF” and wait at least 5 seconds before conducting the next test.
TESTING CONDITION:
Always drive vehicle on a level road to improve the accuracy of test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1.
Start engine and select “DATA MONITOR” mode for “A/T” with
CONSULT-II.
2.
Make sure that output voltage of A/T fluid temperature sensor is
within the range below.
FLUID TEMP SEN: 0.4 - 1.5V
If out of range, drive the vehicle to decrease the voltage (warm
up the fluid) or stop engine to increase the voltage (cool down
the fluid).
3.
Select “1ST GR FNCTN P0731” of “DTC WORK SUPPORT”
mode for “A/T” with CONSULT-II and touch “START”.
4.
Accelerate vehicle to 15 to 20 km/h (9 to 12 MPH) under the fol-
lowing condition and release the accelerator pedal completely.
THROTTLE POSI: Less than 1.0/8 (at all times during step 4)
Selector lever: D position (OD “ON”)
●
Check that “GEAR” shows “2” after releasing pedal.
5.
Depress accelerator pedal to WOT (more than 7.0/8 of “THROT-
TLE POSI”) quickly from a speed of 15 to 20 km/h (9 to 12 MPH) until “TESTING” changes to “STOP
VEHICLE” or “COMPLETED”. (It will take approximately 3 seconds.)
If the check result NG appears on CONSULT-II screen, go to
AT-139, "Diagnostic Procedure"
.
If “STOP VEHICLE” appears on CONSULT-II screen, go to the following step.
●
Check that “GEAR” shows “1” when depressing accelerator pedal to WOT.
SAT014K
SAT021J
SAT971J
DTC P0731 A/T 1ST GEAR FUNCTION
AT-137
[EURO-OBD]
D
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A
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AT
●
If “TESTING” does not appear on CONSULT-II for a long time, select “SELF-DIAGNOSIS” for
“ENGINE”. In case a 1st trip DTC other than P0731 is shown, refer to applicable “TROUBLE DIAG-
NOSIS FOR DTC”.
6.
Stop vehicle.
7.
Follow the instruction displayed. (Check for normal shifting referring to the table below.)
8.
Make sure that “OK” is displayed. (If “NG” is displayed, refer to
AT-139, "Diagnostic Procedure"
.)
Refer to
.
With GST
Follow the procedure “With CONSULT-II”.
Vehicle condition
Gear on actual transmission shift pattern when
screen is changed to 1
→
2
→
3
→
4
No malfunction exists
1
→
2
→
3
→
4
Malfunction for P0731
exists.
2
→
2
→
3
→
3
4
→
3
→
3
→
4
AT-138
[EURO-OBD]
DTC P0731 A/T 1ST GEAR FUNCTION
Wiring Diagram — AT — 1ST
ECS0097Q
YAT373A
DTC P0731 A/T 1ST GEAR FUNCTION
AT-139
[EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Diagnostic Procedure
ECS0097R
1.
CHECK SHIFT SOLENOID VALVE
1.
Remove control valve assembly. Refer to
AT-410, "Control Valve Assembly and Accumulators"
2.
Check shift solenoid valve operation.
●
Shift solenoid valve A
●
Shift solenoid valve B
Refer to
AT-140, "Component Inspection"
.
OK or NG
OK
>> GO TO 2
NG
>> Repair or replace shift solenoid valve assembly.
2.
CHECK CONTROL VALVE
1.
Disassemble control valve assembly. Refer to
AT-443, "Control Valve Assembly"
.
2.
Check to ensure that:
●
Valve, sleeve and plug slide along valve bore under their own weight.
●
Valve, sleeve and plug are free from burrs, dents and scratches.
●
Control valve springs are free from damage, deformation and fatigue.
●
Hydraulic line is free from obstacles.
OK or NG
OK
>> GO TO 3
NG
>> Repair control valve assembly.
3.
CHECK DTC
Perform
AT-136, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE"
.
OK or NG
OK
>> INSPECTION END
NG
>> Check control valve again. Repair or replace control valve assembly.
MCIA0070E
SAT367H
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