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 DTC P252F [MZR-CD (RF Turbo)]

DTC P252F [MZR-CD (RF Turbo)]


id0102f1118900

DTC P252F

Engine oil level too high

DETECTION CONDITION

• The PCM calculates engine oil attenuation based on fuel injection amount during diesel particulate filter regeneration. If the calculated engine oil attenuation amount is more than 20 %, the PCM determines that the engine oil amount level is too high.
Diagnostic support note
• The FREEZE FRAME DATA is not available.
• The DTC is stored in the PCM memory.

POSSIBLE CAUSE

• Engine oil attenuation by frequently diesel particulate filter regeneration
• Engine oil initialize procedure does not perform in each engine oil replacements

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY ENGINE OIL AMOUNT
• Inspect the engine oil amount.
• Is the engine oil amount above X line on dipstick?
Yes
Adjust the specified engine oil.
Perform the engine oil initialize procedure.
Then go to Step 5.
No
Go to the next step.
4
VERIFY ENGINE OIL INITIALIZE PROCEDURE COMPLETE
• Does the engine oil initialize procedure each engine oil replacements?
Yes
Go to the next step.
No
Perform the engine oil initialize procedure. Then go to the next step.
5
VERIFY TROUBLESHOOTING OF DTC P252F COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the engine switch to ON position (engine off).
• Clear the DTC from PCM memory using the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
Yes
Replace the PCM, go to the next step.
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
• Perform "AFTER REPAIR PROCEDURE".
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.