Nissan Sentra B18 (2020-2025) Service Manual: P27a3-00 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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P27A3 |
00 |
EL/AUX T/M FLUID PUMP B (Electric/Auxiliary Transmission Fluid Pump "B" Performance/Stuck Off) |
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 |
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Signal |
— |
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Threshold |
DTC is detected when the following conditions "a" and "b" are satisfied: a) Electric oil pump speed < 50 rpm b) Electric oil pump current > 30 A |
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Diagnosis delay time |
2 seconds |
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POSSIBLE CAUSE
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Electric oil pump
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Control valve
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 "P27A3-00" 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.
>>GO TO 2.
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CHECK DTC DETECTION
Perform DTC confirmation procedure. Refer to DTC Description.
Is "P27A3-00" detected again?
YES>>Replace control valve. Refer to Removal and Installation.
NO >>INSPECTION END
Other materials:
C1711-7b Low Tire Pressure Fl
Dtc Description
DTC Description
Note:
The Signal Tech II Tool [– (NI-50190)] can be used
to perform the following functions: Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure rep ...
Ecu Diagnosis Information
A/c Amp.
Values on the Diagnosis Tool
Values on the
Diagnosis Tool
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle: For information (items) applicable to
this vehicle, refer to CONSULT display items.
...
Turn Signal Lamp Circuit
Component Function Check
Component Function
Check
CHECK TURN SIGNAL LAMP OPERATION
CONSULT
Select “FLASHER” in "Active Test" mode of “BCM(FLASHER)".
With operating the t ...