Nissan Sentra B18 (2020-2025) Service Manual: P2770-00 Torque Converter Clutch
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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|
P2770 |
00 |
TORQUE CONVERTER (Torque Converter Clutch Circuit High) |
Diagnosis condition |
Power supply voltage ≥ 10 V |
|
Signal |
Torque converter clutch solenoid drive signal |
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Threshold |
When solenoid drive circuit is diagnosed as short to the battery |
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Diagnosis delay time |
0.2 seconds |
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POSSIBLE CAUSE
-
Harness or connector
-
Torque converter clutch solenoid
-
TCM
FAIL-SAFE
-
Start is slow
-
Acceleration is slow
-
Engine stops when shift to “D” position during stopping the Nissan Sentra vehicle.
-
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.
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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
: 80 km/h (49 MPH) or more
CAUTION:
Be careful of the driving speed.
-
Stop the Nissan Sentra vehicle.
-
Check the DTC.
Is "P2770-00" 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
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Diagnosis Procedure
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.
Other materials:
Removal and Installation
Av Control Unit
Exploded View
Exploded View
1.
AV control unit bracket
(LH)
2.
AV control unit
...
Laser/radar (distance Sensor)
C2580-44 Control Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC dete ...
Low Tire Pressure Warning Lamp Does Not Turn Off
Symptom Description
Symptom Description
The low tire pressure warning lamp does not turn
OFF after several seconds is passed after the engine starts.
Diagnosis Procedure
Diagnosis Procedure
CHECK TIRE PRESSURE
Ignition switch ...