Nissan Sentra manuals

Nissan Sentra Service Manual: 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 Performance) The auxiliary gearbox gear ratio is 2.232 or more for the auxiliary gearbox 2GR 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 2GR of auxiliary gearbox is in progress.
  • Auxiliary gearbox shifting is not in progress.
  • TCM power supply voltage: More than 11 V
  • High clutch & reverse 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 : “D” POSITION

Accelerator pedal position : 0.7/8 or more

Vehicle speed : 45 km/h (28 MPH) or more

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

Is “P2858” detected? YES >> Go to TM-228, "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.

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 Pressu ...

P2859 Clutch A Pressure
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P2859 CLUTCH A PRESSURE (Clutch A Pressu ...

Other materials:

Bcm branch line circuit
Diagnosis Procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Front wiper auto stop signal circuit
Component function check 1. Check front wiper (auto stop) operation Consult data monitor Select “WIP AUTO STOP” of IPDM E/R DATA MONITOR item. Operate the front wiper. With the front wiper operation, check the monitor status. Is the inspection result normal? YES >> ...

Precautions for refrigerant system service
WORKING WITH HFC-134a (R-134a) CAUTION: CFC-12 (R-12) refrigerant and HFC-134a (R-134a) refrigerant are not compatible. Compressor malfunction is likely to occur if the refrigerants are mixed, refer to “CONTAMINATED REFRIGERANT” below. To determine the purity of HFC-134a (R- ...

© 2014-2025 Copyright www.nisentra.com