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:
Clutch Point Learning
Description
Description
TCM memorizes a clutch point (engagement timing), and this enables
accurate control. For work procedure, refer to Work Procedure.
Work Procedure
Work Procedure
CLUTCH POINT LEARNING
With CONSULT
Start the engine.
...
Diagnosis System (ipdm E/r)
Consult Function (ipdm E/r)
CONSULT Function
(IPDM E/R)
APPLICATION ITEM
CONSULT performs the following functions via CAN
communication with IPDM E/R:
Diagnosis mode
CGW Status
...
Warning Chime System. Symptom Diagnosis
Warning Chime System Symptoms. Symptom Table
Symptom Table
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT before
the symptom diagnosis. Perform the trouble diagnosis if any DTC is
detected.
...