Nissan Rogue (T33) 2021-Present Service Manual: P051c Crankcase Pressure Sensor
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P051C | 00 |
Crankcase Pressure Sensor "A" Circuit Low (Crankcase Pressure Sensor "A" Circuit Low) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | - | |||
| Threshold | Sensor output voltage is abnormal | |||
| Diagnosis delay time | 5 seconds | |||
POSSIBLE CAUSE
-
Harness or connectors
(Crankcase pressure sensor circuit is open or shorted.)
-
Crankcase pressure sensor
-
ECM
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
-
Start engine and let it idle at least 10 seconds.
-
Check DTC.
Is DTC detected?
YES>>Proceed 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 CRANKCASE PRESSURE SENSOR CIRCUIT
Check crankcase pressure sensor circuit. Refer to DTC Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace error-detected parts.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure. Refer to DTC Description.
Is DTC detected again?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
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