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1.Set the vehicle to the pre-inspection condition.
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2.Turn the ignition switch to the "LOCK" (OFF) position and then connector the M.U.T.-III to the diagnosis connector. 3.Start and run the engine under the following conditions, then keep the situation.
- Transmission: more than 3rd speed
- Vehicle speed: 40 km/h or more
- Engine speed: 2,000 r/min or more
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Continue to run the engine without stopping as much as possible.
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4.From "FUNCTION MENU" on M.U.T.-III, select "SPECIAL FUNCTION". 5.From "SPECIAL FUNCTION", select "DPF REGENERATION". 6.Carry out the Item No.33 DPF regeneration and check that the red DPF warning mark is changed to the yellow one. Run the engine for approximately 20 - 45 minutes.
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Use the MUT-III to check whether the forcible regeneration of the DPF is carried out or not. Check that the DPF REGENERATION OPERATIONS of the item No.321 is turned on.
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If the forcible regeneration of the DPF is not carried out, slightly increase the engine speed.
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Stopping the vehicle stops the forcible regeneration of the DPF. If driving again within 100 seconds, the forcible regeneration of the DPF is restarted.
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7.Finishing the forcible regeneration of the DPF should turn the yellow DPF warning mark to the red one. Check that the display is gone after four seconds. 8.After the ignition switch is in the "LOCK" (OFF) position, confirm the DPF warning mark does not show by restarting the engine. 9.If the DPF warning mark is not extinguished even though running the engine more than 60 minutes, carry out the troubleshooting of the diagnosis code P1497 (Refer to GROUP 13D Diesel Fuel <4N1> - Diagnosis Code Chart ). 10.Erase the diagnosis code. 11.Turn the ignition switch to the "LOCK" (OFF) position and then remove the M.U.T.-III.
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