9248511

Component Inspection

■ DPF DPS visual check

IG "OFF"

Refer to "Shop Manual" and remove the DPF DPS.

Check corrosion and contamination on DPF DPS.

Check connection of DPF DPS hoses.

Check DPF assembly or DPF DPS stuck.

Check exhaust system leakage.

Have any problem been found?

	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.
	▶ Go to "DPF Regeneration" procedure

■ CPF Regeneration

Ignition Switch "OFF"

Connect GDS to Data Link Connector(DLC).

10.

Ignition Switch "ON" & Engine "ON"

11.

Perform "CPF Service Regeneration (CPF OPT)"of "Vehicle S/W Management" with GDS.

12.

Select "CPF Service Regeneration (CPF OPT)".

Fig.1 ) S/W Management List of U2 Engine

Fig.2 ) CPF Service Regeneration(CPf OPT)

Fig.3 ) Start CPF Regeneration

Fig.4 ) Complete

Fig.5 ) Heat Up 1

Fig.6 ) Heat Up 2

Fig.7 ) Cool Down

Fig.8 ) Complete

13.

Is the function operated normally?

	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Check DPF DPS output" procedure.

■ Check DPF DPS output

14.

Ignition Switch "OFF"

15.

Connect VMI to GDS and perform the oscilloscope.(2 Channel):

Channel A (+) : Pin No. 2 (signal) terminal (DPF DPS connector side)

Channel A (-) : Ground

16.

IG "ON" & Engine "OFF"

17.

Inspection Condition : IG "ON"

Specification : Approx. 1.05V

18.

Is the measured value within specification?

	▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.
	▶ If no problems were found with the circuits or connectors, Replace the DPF DPS and go to "Verification of Vehicle Repair" procedure.

warning

•

After replacing DPF DPS, perform "Component Change Routine". Otherwise, problem that performance or emission concerned can be occured from replacing the part.

Component Replacement

Ignition Switch "OFF"

Connect GDS to Data Link Connector(DLC).

Ignition Switch "ON" & Engine "OFF"

Perform "Component Change Routine"of "Vehicle S/W Management" with GDS.

Select "Differential Pressure Sensor Change".

Fig.1 ) S/W Management List of U2 Engine

Fig.2 ) Component Change Routine

Fig.3 ) Differential Pressure Sensor Change

Fig.4 ) Complete