Nissan Rogue (T33) 2021-Present Service Manual: P055f Engine Oil Pressure
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P055F |
Engine oil pressure (Engine oil pressure out of range) |
Diagnosis condition |
|
| Signal (terminal) | Engine oil pressure sensor signal | ||
| Threshold | When the engine oil pressure is higher than normal value at stop engine. | ||
| Diagnosis delay time | 3.5 seconds | ||
POSSIBLE CAUSE
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Harness or connectors (Engine oil pressure sensor, engine oil temperature sensor or crankshaft position sensor circuit is open or shorted.)
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Engine oil pressure sensor
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Engine oil temperature sensor
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Engine oil pressure control solenoid valve
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Crankshaft position sensor
-
Oil pump
-
Clogging in oil line
-
Amount of engine oil
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 30 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK DTC PRIORITY
If DTC P055F is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is other DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
CHECK HARNESS CONNECTOR
-
Disconnect following sensors harness connector and ECM harness connector.
-
Engine oil pressure sensor
-
Engine oil temperature sensor
-
Crankshaft position sensor
-
-
Connect following sensors harness connector and ECM harness connector.
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Engine oil pressure sensor
-
Engine oil temperature sensor
-
Crankshaft position sensor
-
-
Perform DTC Confirmation Procedure. Refer to DTC Description.
Is DTC detected?
YES>>GO TO 3.
NO>>INSPECTION END
CHECK ENGINE OIL LEVEL AND LEAKAGE
-
Turn ignition switch OFF.
-
Check engine oil level and leakage. Refer to Inspection.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace error-detected parts.
CHECK OIL PUMP
Visually check oil pump and listen to operation sound.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace error-detected parts.
CHECK ENGINE OIL PRESSURE
With CONSULT
-
Turn ignition switch ON.
-
On CONSULT screen, select “ENGINE”>>“Data Monitor”.
-
Start the engine and check that “Engine oil pressure sensor” changes, according to engine speeds.
Monitor item Condition Value EOP SENSOR -
Engine: After warming up
-
Selector lever: P or N
-
Air conditioner switch: OFF
-
No load
Idle Approx. 1.360 V 2,000 rpm Approx. 1.670 V -
Without CONSULT
Check engine oil pressure. Refer to Inspection.
Is the inspection result normal?
YES>>INSPECTION END
NO>>Change engine oil. Refer to Draining and Refilling.
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