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:

S connector circuit
Description The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models). Diagnosis Procedure Regarding Wiring ...

Headlamp (lo) circuit
Description The ipdm e/r (intelligent power distribution module engine room) controls the headlamp low relay based on inputs from the bcm over the can communication lines. When the headlamp low relay is energized, power flows through fuses 43 and 44, located in the ipdm e/r. Power then flows ...

Electric ignition system
ELECTRIC IGNITION SYSTEM : System Description SYSTEM DIAGRAM *1: CVT models *2: M/T models Input/output signal chart Sensor Input Signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed*3 Piston position Ignition ...

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