Nissan Sentra B18 (2020-2025) Service Manual: P2769-00 Torque Converter Clutch
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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|
P2769 |
00 |
TORQUE CONVERTER (Torque Converter Clutch Circuit Low) |
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 ground |
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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
-
Lock-up is not performed
-
Stop/start system prohibited
DTC CONFIRMATION PROCEDURE
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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
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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 “P2769-00” 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
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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
A/c Switch Assembly
Removal and Installation
Removal and
Installation
REMOVAL
Remove instrument finisher B. Refer
to Removal and Installation.
Remove A/C switch assembly screws
(A).
: Paw ...
System
System Description
System Description
DESCRIPTION
ADAS* control unit 2 controls the following
systems, based on CAN communication signal from each control unit.
Note:
*: Advanced Driver Assistance Systems
I-FCW
...
Park/neutral Position (pnp) Switch
Component Inspection
Component Inspection
CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
Ignition switch OFF.
Disconnect park/neutral position (PNP) switch connector.
...