DTC P06DE:00 [SKYACTIV-D 2.2]


id0102s4215500

DTC P06DE:00

Engine oil pressure switch control circuit low input

DETECTION CONDITION
•  When the following condition is met, the engine oil pressure is 250 kPa {2.55 kgf/cm2, 36.3 psi} or less:
MONITORING CONDITIONS
―  During high hydraulic pressure control (during engine oil solenoid valve operation)
―  Engine speed is specified value or more.
•  Idle speed or more when engine oil temperature is 40 °C {104 °F} or less (when cold)
•  1,800 rpm or more when engine oil temperature is 90 °C {194 °F} (when hot)
•  4,000 rpm or more when engine oil temperature is 135 °C {275 °F} or more (when hot)
Diagnostic support note
•  This is a continuous monitor (other).
•  The check engine light does not illuminate.
•  FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
•  DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
Not applicable
POSSIBLE CAUSE
•  Engine oil leakage
•  Improper engine oil level
•  Engine oil solenoid valve connector or terminals malfunction
•  Engine oil temperature sensor/engine oil pressure sensor connector or terminals malfunction
•  Short to ground or open circuit in engine oil solenoid valve power supply circuit
―  Short to ground in wiring harness between ENGINE1 15 A fuse and engine oil solenoid valve terminal A
―  ENGINE1 15 A fuse malfunction
―  Open circuit in wiring harness between main relay terminal C and engine oil solenoid valve terminal A
•  Short to ground in wiring harness between the following terminals:
―  Engine oil solenoid valve terminal B—PCM terminal 1CH
―  Engine oil temperature sensor/engine oil pressure sensor terminal A—PCM terminal 1DN
―  Engine oil temperature sensor/engine oil pressure sensor terminal D—PCM terminal 1DM
•  PCM connector or terminals malfunction
•  Open circuit in wiring harness between the following terminals:
―  Engine oil solenoid valve terminal B—PCM terminal 1CH
―  Engine oil temperature sensor/engine oil pressure sensor terminal A—PCM terminal 1DN
•  Engine oil solenoid valve malfunction
•  Engine oil pressure sensor malfunction
•  Oil pump malfunction
•  PCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE AND/OR DTC
•  Switch the ignition off, then ON (engine off).
•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
•  Are any other PENDING CODEs and/or DTCs present?
Yes
Go to the applicable PENDING CODE or DTC inspection.
No
Go to the next step.
4
INSPECT ENGINE OIL LEAKAGE
•  Start the engine.
•  Verify that there is no engine oil leakage in the hydraulic circuit.
•  Is there any leakage?
Yes
Repair or replace the malfunctioning part according to the inspection results, then add genuine motor oil.
Go to Step 14.
No
Go to the next step.
5
INSPECT ENGINE OIL LEVEL
•  Inspect the engine oil level.
•  Is the engine oil level sufficient?
Yes
Go to the next step.
No
Add genuine motor oil, then go to the next step.
6
INSPECT ENGINE OIL SOLENOID VALVE CONNECTOR CONDITION
•  Switch the ignition off.
•  Disconnect the engine oil solenoid valve connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 14.
No
Go to the next step.
7
INSPECT ENGINE OIL TEMPERATURE SENSOR/ENGINE OIL PRESSURE SENSOR CONNECTOR CONDITION
•  Disconnect the engine oil temperature sensor/engine oil pressure sensor connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 14.
No
Go to the next step.
8
INSPECT ENGINE OIL SOLENOID VALVE POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT
•  Verify that the engine oil solenoid valve and engine oil temperature sensor/engine oil pressure sensor connectors are disconnected.
•  Switch the ignition ON (engine off).
•  Measure the voltage at the engine oil solenoid valve terminal A (wiring harness-side).
•  Is the voltage B+?
Yes
Go to the next step.
No
Inspect the ENGINE1 15 A fuse.
•  If the fuse is blown:
―  Repair or replace the wiring harness for a possible short to ground.
―  Replace the fuse.
•  If the fuse is deteriorated:
―  Replace the fuse.
•  If the fuse is normal:
―  Repair or replace the wiring harness for a possible open circuit.
Go to Step 14.
9
INSPECT ENGINE OIL SOLENOID VALVE CIRCUIT AND ENGINE OIL PRESSURE SENSOR CIRCUIT FOR SHORT TO GROUND
•  Verify that the engine oil solenoid valve and engine oil temperature sensor/engine oil pressure sensor connectors are disconnected.
•  Switch the ignition off.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Engine oil solenoid valve terminal B
―  Engine oil temperature sensor/engine oil pressure sensor terminal A
―  Engine oil temperature sensor/engine oil pressure sensor terminal D
•  Is there continuity?
Yes
If the short to ground circuit could be detected in the wiring harness:
•  Repair or replace the wiring harness for a possible short to ground.
If the short to ground circuit could not be detected in the wiring harness:
•  Replace the PCM (short to ground in the PCM internal circuit).
Go to Step 14.
No
Go to the next step.
10
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 14.
No
Go to the next step.
11
INSPECT ENGINE OIL SOLENOID VALVE CIRCUIT AND ENGINE OIL PRESSURE SENSOR CIRCUIT FOR OPEN CIRCUIT
•  Verify that the engine oil solenoid valve and engine oil temperature sensor/engine oil pressure sensor and PCM connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side):
―  Engine oil solenoid valve terminal B—PCM terminal 1CH
―  Engine oil temperature sensor/engine oil pressure sensor terminal A—PCM terminal 1DN
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 14.
12
INSPECT ENGINE OIL SOLENOID VALVE
•  Inspect the engine oil solenoid valve.
•  Is there any malfunction?
Yes
Replace the engine oil solenoid valve, then go to Step 14.
No
Go to the next step.
13
INSPECT ENGINE OIL PRESSURE SENSOR
•  Reconnect all disconnected connectors.
•  Inspect the engine oil pressure sensor.
•  Is there any malfunction?
Yes
Replace the engine oil temperature sensor/engine oil pressure sensor, then go to the next step.
No
Replace the oil pump, then go to the next step.
14
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Always reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine and warm it up completely.
Caution
•  While performing this step, always operate the vehicle in a safe and lawful manner.
•  When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
•  Drive the vehicle under the FREEZE FRAME DATA (Mode 2)/snapshot data condition.
•  Perform the DTC Reading Procedure.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
15
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.