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- Refer to Data List Reference Table .
- Item 118: No. 2 exhaust gas temperature sensor (catalyst
temperature)
- Item 119: No. 3 exhaust gas temperature sensor (DPF temperature)
- Item 120: Exhaust differential pressure sensor
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Q.
Are the check results normal?
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Perform the diagnosis code classified check procedure for the sensor that has
shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
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- Initialise the DPF-related parts, and then delete the diagnosis
code (Refer to GROUP 00 -
Precautions before Service -
Initialisation Procedure
for Learning Value in Common Rail Engine <4N1> ).
- Item 42: DPF system malfunction service
- Carry out the forcible DPF regeneration (Refer to GROUP 17 -
Emission Control <DIESEL> -
Diesel
Particulate Filter (DPF) System -
Forcible DPF Regeneration ).
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Q.
Is the diagnosis code P0420 or P1497 set?
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Replace the catalytic converter. When the catalytic converter is replaced, initialise
the learning value (Refer to GROUP 00 -
Precautions before Service -
Initialisation
Procedure for Learning Value in Common Rail Engine <4N1> ).
On completion, carry out the forcible DPF regeneration (Refer to GROUP 17 -
Emission
Control <DIESEL> -
Diesel Particulate Filter (DPF) System -
Forcible DPF
Regeneration ).
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