Nissan Sentra B18 (2020-2025) Service Manual: P0740-00 Torque Converter
Dtc Description
DTC DETECTION LOGIC
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
||
|
P0740 |
00 |
TORQUE CONVERTER (Torque Converter Clutch Circuit/Open) |
Diagnosis condition |
Power supply voltage ≥ 10 V |
|
Signal |
Torque converter clutch solenoid drive signal |
|||
|
Threshold |
Solenoid drive circuit is diagnosed as open |
|||
|
Diagnosis delay time |
0.2 seconds |
|||
POSSIBLE CAUSE
-
Harness or connector
-
Torque converter clutch solenoid
-
TCM
FAIL-SAFE
-
Start is slow
-
Acceleration is slow
-
Lock-up is not performed
-
Stop/start system prohibited
DTC CONFIRMATION PROCEDURE
-
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 10 seconds, then perform the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V.
>>GO TO 2.
-
CHECK DTC DETECTION
-
Start the engine.
-
Drive the Nissan Sentra vehicle and maintain the following conditions for 10 seconds or more.
Shift position
: "D" position
CVT fluid temperature
: 20 °C (68 °F) or more
Nissan Sentra Vehicle speed
: 40 km/h (25 MPH) or more
CAUTION:
Be careful of the driving speed.
-
Stop the Nissan Sentra vehicle.
-
Check the DTC.
Is "P0740-00" detected?
YES >>Proceed to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
-
Diagnosis Procedure
-
CHECK TORQUE CONVERTER CLUTCH SOLENOID CIRCUIT
Check torque converter clutch solenoid circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>Replace TCM. Refer to Removal and Installation.
NO >>Repair or replace damaged parts.
P0741-00 Torque Converter
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
( ...
Other materials:
P27eb-00 Transmission Range Control a Position Sensor/switch
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
...
Both doors mirror defogger don’t operate but rear window defogger operates
Diagnosis procedure
Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram".
1. Check door mirror defogger fuse
Check if the following fuse in fuse block (J/B) is blown.
Is the inspection result normal?
Yes >> go to 2.
No >> replace the blown fuse af ...
Automatic speed control device (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description
SYSTEM DIAGRAM
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at
predetermined constant speed
without depressing accelerator pedal ...
