Nissan Juke Service and Repair Manual : P0740 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" 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-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 following range.
FLUID TEMP : 10°C (50°F) or more
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.
Selector lever : “D” position Vehicle speed : 40 km/h (25 MPH) or more
3. Stop the vehicle.
4. Check the first trip DTC.
Is “P0740” detected? YES >> Go to TM-417, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
1. Turn ignition switch OFF.
2. Disconnect the TCM connector and the CVT unit connector.
3. Check the continuity between the TCM harness connector terminal and the CVT unit harness connector terminal.
Is the check result normal? YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check the torque converter clutch solenoid valve. Refer to TM-417, "Component Inspection (Torque Converter Clutch Solenoid Valve)".
Is the check result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
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".
P0720 output speed sensor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just befor ...
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 ...
Other materials:
Reporting safety defects
For USA
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying NISSAN.
If NHTSA receives similar complaints, it may open an investi ...
Diagnosis and repair workflow
Work F
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred) using the “Diagnostic Work Sheet”. (Refer to
EC-127, "Diagnostic Work
Sheet ...
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...