Nissan Qashqai J11. Manual - part 741
P0740 TORQUE CONVERTER
TM-539
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10G]
C
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F
G
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K
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TM
N
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P0740 TORQUE CONVERTER
DTC Logic
INFOID:0000000010245613
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PREPARATION BEFORE OPERATION
With CONSULT
1.
Start the engine.
2.
Select “Data Monitor” in “TRANSMISSION”.
3.
Select “FLUID TEMP”.
4.
Confirm that the CVT fluid temperature is in the following range.
With GST
1.
Start the engine.
2.
Set the CVT fluid to 20
°
C (68
°
F) or more.
NOTE:
When the ambient temperature is 20
°
C (68
°
F), the CVT fluid usually increases to 50 to 80
°
C (122 to
176
°
F) with driving in an urban area for approximately 10 minutes.
Is the CVT fluid 20
°
C (68
°
F) or more?
YES
>> GO TO 3.
NO
>> 1.
Warm the transaxle.
2.
GO TO 3.
3.
CHECK DTC DETECTION
1.
Drive the vehicle.
2.
Maintain the following conditions for 10 seconds or more.
3.
Stop the vehicle.
4.
Check the first trip DTC.
Is “P0740” detected?
YES
>> Go to
NO
>> INSPECTION END
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0740
TORQUE CONVERTER
(Torque Converter Clutch Cir-
cuit/Open)
When all of the following conditions are satis-
fied and this state is maintained for 5 seconds:
• TCM power supply voltage: More than 11 V
• P0743 is not detected.
• TCM judges that solenoid valve circuit is
open.
• Harness or connector
(Torque converter clutch solenoid valve
circuit is open or shorted to power sup-
ply)
• Torque converter clutch solenoid valve
FLUID TEMP
: 20
°
C (68
°
F) or more
Selector lever
: “D” position
Vehicle speed
: 40 km/h (25 MPH) or more