DTC P2459:00 [MZR-CD 2.2]
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DTC P2459:00 |
Diesel particulate filter regeneration frequency |
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DETECTION CONDITION
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• The PCM calculates mileage to the next oil replacement based on the vehicle driving conditions (engine load, frequency of the diesel particulate filter regeneration). If the calculated mileage reached necessary mileage of the oil replacement, the PCM stores the DTC and turns the diesel particulate filter indicator light flash.
Diagnostic support note
• The MIL does not illuminate.
• FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
• The DTC is not stored in the PCM memory.
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POSSIBLE CAUSE
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• Vehicle is reached necessary mileage of engine oil replacement.
• 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 RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service 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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2
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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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3
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Start the engine.
• Perform the DTC Reading Procedure.
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to the next step.
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4
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VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [MZR-CD 2.2].)
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No
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DTC troubleshooting completed.
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