DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P0520 | EOP SENSOR/SWITCH (Engine oil pressure sensor/ switch circuit) | ECM detects the following status continuously
for 5 seconds or more:
|
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 2.
2.CHECK ENGINE OIL LEVEL
Is inspection result normal? YES >> GO TO 3.
NO >> Check engine oil leak. Refer to LU-6, "Engine Lubrication System Schematic".
3.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-340, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK EOP SENSOR POWER SUPPLY CIRCUIT-1
Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK EOP SENSOR SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK EOP SENSOR
Check EOP sensor. Refer to EC-342, "Component Inspection (EOP Sensor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace EOP sensor. Refer to EM-94, "Exploded View".
4.CHECK EOP SENSOR POWER SUPPLY CIRCUIT-2
Check the voltage between EOP sensor harness connector terminal and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 2 circuit. Refer to EC-444, "Diagnosis Procedure".
Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
6.CHECK EOP SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace error-detected parts.
7.CHECK ECM GROUND CIRCUIT
Check the continuity between ECM harness connector and ground.
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace error-detected parts.
Component Inspection (EOP Sensor)
1.CHECK EOP SENSOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace EOP sensor. Refer to EM-94, "Exploded View".
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Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions
and environment when the symptom
occurs.
>> GO TO 2.
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with ...