DTC P253F [MZR-CD (RF Turbo)]
id0102f1119000
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DTC P253F |
Engine oil deteriorated |
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DETECTION CONDITION
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• 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 35 %, the PCM determines that the engine oil amount level is deteriorated.
Diagnostic support note
• The FREEZE FRAME DATA is not available.
• The DTC is stored in the PCM memory.
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POSSIBLE CAUSE
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• Engine oil attenuation by frequently diesel particulate filter regeneration
• Engine oil initialize procedure does not perform in each engine oil replacements
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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REPLACE ENGINE OIL
• Replace the specified engine oil.
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—
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Go to the next step.
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4
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VERIFY TROUBLESHOOTING OF DTC P253F COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the engine switch ON (engine off).
• Clear the DTC from PCM memory using the M-MDS.
• Start the engine.
• Is the same DTC present?
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Yes
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Replace the PCM, go to the next step.
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No
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Go to the next step.
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5
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VERIFY AFTER REPAIR PROCEDURE
• Perform “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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Troubleshooting completed.
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