Nissan Sentra manuals

Nissan Sentra Service Manual: P2857 Clutch A Pressure

DTC Logic

DTC DETECTION LOGIC

DTC

CONSULT screen terms (Trouble diagnosis content)

DTC detection condition

Possible causes

P2857 CLUTCH A PRESSURE (Clutch A Pressure Engagement Performance) The auxiliary gearbox gear ratio is 2.232 or more for the auxiliary gearbox 1GR ratio continuously for 5 seconds or more under the following diagnosis conditions:

Diagnosis conditions

  • Selector lever: Other than “P”, “R” and “N” positions
  • Accelerator pedal position: 0.7/8 or more
  • Engine speed: More than 550 rpm
  • Output speed: More than 300 rpm
  • Secondary pulley speed: More than 300 rpm
  • Command for the 1GR of auxiliary gearbox is in progress.
  • Auxiliary gearbox shifting is not in progress.
  • TCM power supply voltage: More than 11 V
  • Low brake solenoid valve
  • Control valve assembly

DTC CONFIRMATION PROCEDURE

CAUTION:

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. Start the engine.
  2. Drive the vehicle.
  3. Maintain the following conditions for 10 seconds or more.

Selector lever : “L” POSITION

Accelerator pedal position : 0.7/8 or more

Vehicle speed : 10 km/h (6 MPH) or more

  1. Stop the vehicle.
  2. Check the first trip DTC.

Is “P2857” detected? YES >> Go to TM-226, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

Refer to GI-39, "Intermittent Incident".

Is the inspection result normal? YES >> Replace the transaxle assembly. Refer to TM-283, "Removal and Installation".

NO >> Repair or replace malfunctioning parts.

P2765 Input speed sensor B
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P2765 INPUT SPEED SENSOR B (Input/Turbine ...

P2858 Clutch B Pressure
DTC Logic DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P2858 CLUTCH B PRESSURE (Clutch B Pressure Engagement Perfo ...

Other materials:

Rapid air pressure loss
Rapid air pressure loss or a “blow-out” can occur if the tire is punctured or is damaged due to hitting a curb or pothole. Rapid air pressure loss can also be caused by driving on under-inflated tires. Rapid air pressure loss can affect the handling and stability of the vehicle, especially ...

Unit disassembly and assembly
TRANSAXLE ASSEMBLY Exploded View CASE AND HOUSING Filler plug Gasket Transaxle case Bushing Snap ring Oil channel Oil gutter Position switch Bracket Differential side oil seal Magnet Drain plug Input shaft oil seal Clutch housing 2 way connector Plug Pinion ...

Except  6M/T
EXCEPT 6M/T : Exploded View Circular clip Dust shield Slide joint housing Snap ring Spider assembly Boot band Boot Shaft Damper band Dynamic damper Circular clip Joint sub-assembly Wheel side Joint sub-assembly Circular clip Boot band Boot Shaft Da ...

© 2014-2025 Copyright www.nisentra.com