Code No. P252F: Engine Oil Level Malfunction


FUNCTION



  • The engine oil level may ascend if the fuel runs into the engine oil on the DPF regeneration.
  • The engine-ECU monitors the engine driving conditions to estimate the ascend of engine oil level.

TROUBLE JUDGMENT


Check Condition
  • Ignition switch is in "ON" position.
Judgement Criterion
  • The estimated increased amount of the engine oil exceeds the 1,000 cc.

FAIL-SAFE AND BACKUP FUNCTION



  • The DPF regeneration is prohibited.

PROBABLE CAUSE



  • The engine oil is increased.

DIAGNOSIS PROCEDURE

STEP 1. Replace the engine oil.

  • Replace the engine oil, When the engine oil is replaced, initialise the learning value (Refer to GROUP 00 - Precautions before Service - Initialisation Procedure for Learning Value in Common Rail Engine <4N1> ). After initialising the learning value, reconfirm diagnosis code.

Q. Is the diagnosis code set?
Replace the engine-ECU.
Check end.