Nissan Sentra B18 (2020-2025) Service Manual: P271e-00 Wheel Torque Calculation Signal
Dtc Description
DTC Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P271E |
00 |
Wheel torque calculation signal |
1 |
Diagnosis condition |
When the ignition switch is ON |
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Signal |
— |
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Threshold |
Diagnosis is permitted when all of the following conditions are satisfied: a) Transmission gear ratio: Less than "Estimated gear ratio/1.25" b) Select solenoid valve monitor current: Less than 900 mA |
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Diagnosis delay time |
50 seconds |
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2 |
Diagnosis condition |
When the ignition switch is ON |
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Signal |
— |
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Threshold |
Friction torque calculation value: 24.0 Nm or more |
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Diagnosis delay time |
5 seconds |
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3 |
Diagnosis condition |
When the ignition switch is ON |
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Signal |
— |
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Threshold |
Mechanical oil pump torque: 23.9 Nm or more |
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Diagnosis delay time |
5 seconds |
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4 |
Diagnosis condition |
When the ignition switch is ON |
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Signal |
— |
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Threshold |
Diagnosis is permitted when all of the following conditions are satisfied: a) Torque converter torque ratio: Less than "Estimated torque converter torque ratio/1.25" b) Select solenoid valve monitor current: Less than 900 mA |
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Diagnosis delay time |
50 seconds |
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POSSIBLE CAUSE
TCM
FAIL-SAFE
Not changed from normal driving
DTC CONFIRMATION PROCEDURE
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CHECK DTC PRIORITY
When DTC "P271E-00" is displayed together with "P0793-00" or "P2808-00", diagnose first the "P0793-00" or "P2808-00".
Is "P0793-00" or "P2808-00" detected?
>>Perform diagnosis of "P0793-00" or "P2808-00". Refer to DTC Index.
NO >>GO TO 2.
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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 3.
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CHECK DTC DETECTION
With CONSULT-
Start the engine.
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Drive the Nissan Sentra vehicle and maintain the following conditions for 60 seconds or more.
Shift position
: "D" position
Nissan Sentra Vehicle speed
: 40 km/h (25 MPH) or more
CAUTION:
Be careful of the driving speed.
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Stop the Nissan Sentra vehicle.
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Check the DTC.
Is "P271E-00" detected?
YES >>Go to DTC Diagnosis Procedure.
NO >>INSPECTION END
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Dtc Diagnosis Procedure
DTC Diagnosis Procedure
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REPLACE TCM
Replace TCM. Refer to Removal and Installation.
>>WORK END
Other materials:
Seat Belt. Removal and Installation
Front Seat Belt
Exploded View
Exploded View
1.
Seat belt height
adjuster
2.
Seat belt height adjuster
...
Precaution. Precautions
Precautions
Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-TENSIONER”,
u ...
Diagnosis System (distance Sensor)
Consult Function (laser/radar)
CONSULT Function (LASER/RADAR)
APPLICATION ITEMS
CONSULT performs the following functions via CAN communication
with ADAS control unit 2 and the communication with distance sensor.
...