Nissan Sentra manuals

Nissan Sentra Service Manual: P2859 Clutch A Pressure

Nissan Sentra Service Manual / Transmission & driveline / Transaxle & transmission / CVT: RE0F11A / 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.

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Other materials:

Owner’s Manual/Service Manual order information
Genuine NISSAN Service Manuals for this model year and prior can be purchased. A genuine NISSAN Service Manual is the best source of service and repair information for your vehicle. This manual is the same one used by the factorytrained technicians working at NISSAN dealerships. Genuine NI ...

Small children
Children that are over 1 year old and weigh at least 20 lbs (9 kg) should remain in a rear-facing child restraint as long as possible up to the height or weight limit of the child restraint. Children who outgrow the height or weight limit of the rearfacing child restraint and are at least 1 yea ...

Variable voltage control system
CAUTION Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. Use electrical accessories with the engine running to avoid discharging the vehicle battery. Your v ...

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