Nissan Versa Sedan. Instruction - part 865
TM-366
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F11A]
P0740 TORQUE CONVERTER
P0740 TORQUE CONVERTER
DTC Logic
INFOID:0000000009268167
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.
PREPARATION BEFORE OPERATION (PART 1)
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 (PART 2)
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 10
°C (50°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 10
°C (50°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
Trouble diagnosis name
DTC detection condition
Possible causes
P0740
Torque Converter Clutch Cir-
cuit/Open
The TCM torque converter clutch solenoid
valve current monitor reading is 200 mA or
less continuously for 5 seconds or more under
the following diagnosis conditions:
• Diagnosis conditions
- Solenoid valve output current: 750 mA or
more
- GND short diagnosis of the solenoid valve
circuit is not satisfied.
- TCM power supply voltage: More than 11 V
• Harness or connector
(Torque converter clutch solenoid
valve circuit is open or shorted to pow-
er supply)
• Torque converter clutch solenoid valve
FLUID TEMP
: 10
°C (50°F) or more
Selector lever
: “D” position
Vehicle speed
: 40 km/h (25 MPH) or more