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:
|
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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".
FM/AM radio with compact disc (CD) player (if so equipped)
CD eject button
CD insert slot
SCAN button
DISP button
RPT/RDM button
TUNE/FOLDER knob / MENU button
AUX IN jack
AUX button
CD button
AM button
FM button
VOL (volume) control knob
/ (power) button
Station select (1 - 6) buttons
TRACK button
SEEK button
For ...
Heated seats (if so equipped)
The front seats are warmed by built-in heaters.
Start the engine.
Push the LO or HI position of the switch, as
desired. The indicator light in the switch will
illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and off.
The indicator light ...
Dlc branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
Is the inspection resul ...