Nissan Sentra B18 (2020-2025) Service Manual: P28ed-00 Electric Oil Pump
Dtc Description
DTC Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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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) |
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Signal |
— |
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Threshold |
When the actual electric oil pump speed is higher than the target electric oil pump speed |
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Diagnosis delay time |
2 seconds |
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POSSIBLE CAUSE
Electric oil pump
FAIL-SAFE
Stop/start system prohibited
DTC CONFIRMATION PROCEDURE
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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.
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CHECK DTC DETECTION
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Ignition switch ON and wait for at 20 seconds.
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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
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Diagnosis Procedure
Diagnosis Procedure
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REPLACE ELECTRIC OIL PUMP
Replace electric oil pump. Refer to Removal and Installation.
>>WORK END
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.
...