Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: P28ed-00 Electric Oil Pump

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P28ED

00

EL/AUX T/M FLUID PUMP B

(Electric/Auxiliary Transmission Fluid Pump "B" Overspeed)

Diagnosis condition

Diagnosis is permitted when all of the following conditions are satisfied:

a) Ignition voltage ≥ 9.01 V

b) Battery voltage ≥ 9.01 V

c) After ignition on, 1 sec has elapsed.

d) Target electric oil pump speed ≥ 500 rpm

e) Electric oil pump motor temperature ≤ 179 °C (354 °F)

Signal

Threshold

When the actual electric oil pump speed is higher than the target electric oil pump speed

Diagnosis delay time

2 seconds

POSSIBLE CAUSE

Electric oil pump

FAIL-SAFE

Stop/start system prohibited

DTC CONFIRMATION PROCEDURE

  1. PREPARATION BEFORE WORK

    If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 10 seconds, then perform the next test.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is more than 10 V.

    >>

    GO TO 2.

  2. CHECK DTC DETECTION

    1. Ignition switch ON and wait for at 20 seconds.

    2. Check the DTC.

    Is "P28ED-00" detected?

    YES >>

    Proceed to Diagnosis Procedure.

    NO-1>>

    To check malfunction symptom before repair: Refer to Intermittent Incident.

    NO-2>>

    Confirmation after repair: INSPECTION END

Diagnosis Procedure

Diagnosis Procedure

  1. REPLACE ELECTRIC OIL PUMP

    Replace electric oil pump. Refer to Removal and Installation.

    >>

    WORK END

    P2815-00 Select Solenoid
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P2815 00 SELECT SOLENOID (Pressure Control Solen...
    P28ee-00 Electric Oil Pump
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P28EE 00 EL/AUX T/M FLUID PUMP B (Electric/Auxil...

    Other materials:

    Door Does Not Lock/unlock with Intelligent Key (one Key)
    Description Description All doors do not lock/unlock using Intelligent Key button. (One Intelligent Key has the symptom, other keys operate normally.) Note: Before starting diagnosis check that Nissan Sentra vehicle condition is as shown in “Conditions of vehicle”, and ch ...

    Roof. Precaution. Precautions
    Precautions Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner" Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-T ...

    Ambient Sensor Signal Circuit
    Diagnosis Procedure Diagnosis Procedure CHECK AMBIENT SENSOR POWER SUPPLY Ignition switch OFF. Disconnect ambient sensor harness connector. ...