Nissan Juke Service and Repair Manual : P0744 torque converter
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION 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 2
With CONSULT-III
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Confirm that the CVT fluid temperature is in the range below.
FLUID TEMP : 20°C (68°F) or more
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 40 seconds or more.
Selector lever : “D” position
Accelerator pedal position : 1.0/8 or more Vehicle speed : 40 km/h (25 MPH) or more
3. Stop the vehicle.
4. Check the first trip DTC.
Is “P0744” detected? YES >> Go to TM-421, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK LINE PRESSURE
Perform the line pressure test. Refer to TM-382, "Work Procedure".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace the malfunction items.
2.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect the CVT unit connector.
3. Check the torque converter clutch solenoid valve. Refer to TM-421, "Component Inspection (Torque Converter Clutch Solenoid Valve)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace the malfunction items.
Component Inspection (Torque Converter Clutch Solenoid Valve)
1.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check the resistance between the CVT unit connector terminal and ground.
Is the inspection result normal? YES >> INSPECTION END
NO >> There is a malfunction of the torque converter clutch solenoid valve. Replace the transaxle assembly. Refer to TM-508, "Removal and Installation".
P0743 torque converter
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION (PART 1)
If another "DTC CONFIRMATION PROCEDURE" occ ...
P0746 pressure control solenoid A
DTC Logic
DTC DETECTION LOGIC
NOTE:
DC stands for "DRIVING CYCLE" and indicates a series of driving cycle of
"Ignition switch OFF → ON → driving
→ OFF".
...
Other materials:
Clock (if so equipped)
The digital clock (in the audio unit) displays time when the ignition switch
is in the ACC or ON position. The clock ON or OFF mode can be selected. For details
of the digital clock in the NAVIGATION SYSTEM, refer to “Clock” .
If the power supply is disconnected, the clock will not indicate the ...
Diagnosis system (BCM) (without intelligent key system)
Description
Air conditioning system performs self-diagnosis, operation check, function
diagnosis, and various settings
using diagnosis function of each control unit.
Common item : consult-III Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT-III performs the following functions via CAN ...
Mainshaft and gear
Exploded View
1. Mainshaft front bearing outer
race
2. Mainshaft front bearing inner race
3. Mainshaft
4. 1st main gear
5. 1st inner baulk ring
6. 1st synchronizer cone
7. 1st outer baulk ring
8. 1st-2nd coupling sleeve
9. Insert key
10. 1st-2nd synchronizer hub
11. 2nd outer baulk ...