Nissan Versa (N17): P2857 Clutch A pressure

Nissan Versa 2nd generation (N17) Service Manual / Transmission & driveline / Transaxle & transmission (TM) / P2857 Clutch A pressure

DTC Logic

DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC detection condition Possible causes
P2857 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:

  • Be sure to perform "TM "Diagnosis Procedure"" and then perform "DTC CONFIRMATION PROCEDURE".
  • Never perform "DTC CONFIRMATION PROCEDURE" before the repairs. Doing so may result in a secondary malfunction.
  • Be careful of the driving speed.

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.
  4. Stop the vehicle.
  5. Check the first trip DTC.

Selector lever : "L" POSITION

Accelerator pedal position : 0.7/8 or more

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

Is "P2857" detected?

YES >> Go to TM "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

Refer to GI "Intermittent Incident".

Is the inspection result normal?

YES >> Replace transaxle assembly. Refer to TM "Removal and Installation".

NO >> Repair or replace malfunctioning parts.

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