Nissan Sentra manuals

Nissan Sentra Service Manual: 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 Pressure Disengagement Performance) The detection conditions continuously for 200 msec or more under the following diagnosis conditions:

Diagnosis conditions

  • Selector lever: Other than “P”, “R” and “N” positions
  • Vehicle speed: 10 km/h (6 MPH) or more
  • Engine speed: More than 550 rpm
  • Output speed: More than 300 rpm
  • Secondary pulley speed: More than 300 rpm
  • A lapse of 500 msec or more after the stop lamp switch is turned from ON to OFF.
  • 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

Detection conditions

  • Acceleration/deceleration: Less than −0.05 G
  • Actual auxiliary gearbox gear ratio − Auxiliary gearbox 2GR ratio ≥ 50%
  • Low brake solenoid valve
  • Control valve assembly
The auxiliary gearbox gear ratio is В±10% or less for the auxiliary gearbox 1GR ratio continuously for 500 msec 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
  • Secondary pulley speed: More than 300 rpm
  • Output 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

DTC COFIRMATION 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 “P2859” detected? YES >> Go to TM-231, "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.

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 ...

P285A Clutch B Pressure
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P285A CLUTCH B PRESSURE (Clutch B Pressur ...

Other materials:

Diagnosis system (bcm) (without intelligent key system)
Common item Common item : consult function (bcm - common item) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Description ECU identification The BCM part number is displayed. Self Diagnostic Result ...

Parking brake control
Exploded View Parking brake lever assembly Adjusting nut Parking brake switch Front parking brake cable Rear parking brake cable (LH) Rear parking brake cable (RH) Front Removal and Installation REMOVAL Parking Brake Control Remove rear wheels and t ...

P0122, P0123 TP Sensor
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0122 or P0123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-353, "DTC Logic". DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible caus ...

© 2014-2021 Copyright www.nisentra.com