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".
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DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp statu ...
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DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
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.CHECK DTC DETECTION
1. S ...
P0611 ECM protection
Description
This DTC is detected when the ECM protective function is activated due to an
extreme temperature increase
in ECM, resulting from severe conditions such as heavy load driving.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
This DTC ...