Nissan Sentra B18 (2020-2025) Service Manual: P27a6-00 Electric Oil Pump
Dtc Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P27A6 |
00 |
EL/AUX T/M FLUID PUMP B (Electric/Auxiliary Transmission Fluid Pump "B" Stuck On) |
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 ≤ 0 rpm |
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Signal |
— |
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Threshold |
DTC is detected when one of the following conditions "a" and "b" are satisfied: a) Electric oil pump speed > 100 rpm b) Direction of electric oil pump rotation is reverse |
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Diagnosis delay time |
1 seconds |
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POSSIBLE CAUSE
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Electric oil pump
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Control valve
FAIL-SAFE
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Lock-up is not performed
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Start is slow
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Acceleration is slow
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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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Start the engine.
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Warm up the CVT fluid temperature.
CVT fluid temperature
: 25 °C (77 °F) - 105 °C (221 °F)
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Ignition switch OFF
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Ignition switch ON and wait for at 20 seconds.
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Check the DTC.
Is "P27A6-00" 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
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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 "P27A6-00" detected again?
YES>>Replace control valve. Refer to Removal and Installation.
NO >>INSPECTION END
P27a4-00 Electric Oil Pump
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
( ...
P27b3-00 Control Module
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
...
Other materials:
Removal and Installation
Removal and Installation
REMOVAL
Observe the
brake fluid level in the master cylinder reservoir tank. Partially
drain brake fluid if necessary. Refer to Draining.
Remove the
rear wheel and tire using a power tool. Refer to Removal and Installation.
Remove the
brake pads, ...
Control Valve Cover
Exploded View
Exploded View
1.
Transaxle assembly
2.
Control valve cover gasket
3.
...
Precautions
Precautions for Supplemental Restraint System (srs) Air Bag and Seat Belt Pre-Tensioner : Precautions
PRECAUTIONS FOR SUPPLEMENTAL RESTRAINT SYSTEM (SRS) AIR BAG AND SEAT BELT PRE-TENSIONER : Precautions
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-TENSIONER ...
