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".
P2122, P2123 APP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,500 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over 2,500 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
b ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
Clip list
Descriptions for clips
Replace any clips which are damaged during removal or installation.
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