Nissan Juke Service and Repair Manual : 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" 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 (58°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 (58°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 5 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 “P0743” detected? YES >> Go to TM-419, "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 TCM harness connector terminal and ground.
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-419, "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".
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" occ ...
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 jus ...
Other materials:
Handling precaution
Nissan Dynamic Control System
• The engine torque, engine power, boost, and instantaneous fuel consumption
are provided for information
purposes only. They are not intended to prompt the driver to adjust driving
style. The readings may be
slightly delayed relative to the actual vehicle behavi ...
Wiring diagram
DOOR & LOCK SYSTEM
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
Remote keyless entry receiver
Component Function Check
1.CHECK FUNCTION
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “RKE OPE COUN1” in “DATA MONITOR” mode.
3. Check that the function operates normally according to the following
conditions.
Is the inspection result normal?
YES >> Remote keyle ...