Nissan Sentra Service Manual: P285A Clutch B Pressure

Nissan Sentra Service Manual / Transmission & driveline / Transaxle & transmission / CVT: RE0F11A / 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 Pressure Disengagement Performance)

The detection conditions continuously for 200 msec or more under the following diagnosis conditions:

Diagnosis conditions

Selector lever: Other than вЂњPвЂќ, вЂњRвЂќ and вЂњNвЂќ 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 1GR 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 1GR ratio ≥ 50%

High clutch & reverse brake solenoid valve
Control valve assembly

The auxiliary gearbox gear ratio is В±10% or less for the auxiliary gearbox 2GR ratio continuously for 500 msec or more under the following diagnosis conditions:

Diagnosis conditions

Selector lever: Other than вЂњPвЂќ, вЂњRвЂќ and вЂњNвЂќ 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 1GR of auxiliary gearbox is in progress
Auxiliary gearbox shifting is not in progress
TCM power supply voltage: More than 11 V

DTC CONFIRMATION PROCEDURE

CAUTION:

Be sure to perform вЂњTM-233, "Diagnosis Procedure"вЂќ and then perform вЂњDTC CONFIRMATION PROCEDUREвЂќ
Never perform вЂњDTC CONFIRMATION PROCEDUREвЂќ before the repairs. Doing so may result in a secondary malfunction.
Be careful of the driving speed.

1.PREPARATION BEFORE WORK

If another вЂњDTC CONFIRMATION PROCEDUREвЂќ 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

Start the engine
Drive the vehicle.
Maintain the following conditions for 10 seconds or more.

Selector lever : вЂњLвЂќ POSITION

Accelerator pedal position : 0.7/8 or more

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

Stop the vehicle.
Check the first trip DTC.

Is вЂњP285AвЂќ detected? YES >> Go to TM-233, "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.

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 ...

Main power supply and ground circuit

Diagnosis Procedure 1.CHECK TCM POWER CIRCUIT (PART 1) Turn ignition switch OFF. Disconnect TCM connector. Check voltage between TCM harness connector terminals and ground. Is the insp ...

Other materials:

Rear-facing child restraint installation using the seat belts
WARNINGThe three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. Failure to use the ALR mode will result in the child restraint not being properly secured. The restraint could tip over or be loose and cause injury to ...

Automatic anti-glare rearview mirror (if so equipped)
The inside mirror is designed so that it automatically dims according to the intensity of the headlights of the vehicle following you. The automatic anti-glare feature is activated when the ignition switch is in the ON position. NOTE: Do not hang any objects over the sensors 1 or apply gl ...

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as вЂњAIR BAGвЂќ and вЂњSEAT BELT PRE-TENSIONERвЂќ, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...