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:
Air Breather Hose
Exploded View
Exploded View
1.
Air breather hose
2.
Transaxle assembly
A.
...
Bluetooth connections screen
"
"
(back) key
Bluetooth tab
Connections screen
"Add New" key
"
"
(settings) key
"
"
(info) key
"
"
(Bluetooth Audio connection) key
"
"
(Bluetooth Hands-Free Phone
System connection) key
U ...
Front Camera Unit
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.
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