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1.

Ignition switch "OFF"

2.

Connect GDS to Data Link Connector (DLC).

3.

Connect VMI to GDS and set up the Oscilloscope.(2 Channel):

Channel A (+) : Feedback signal terminal (E-EGR Actuator Harness Connector)

Channel A (-) : Ground

4.

Ignition switch "ON" & Engine "OFF"

5.

Perform "EGR Actuator" in "Actuation Test" with GDS.

6.

Inspection condition : Ignition switch "ON" & Engine "OFF"

Specification :Voltage at closed : Approx. 3.6 ~ 4.3V / Voltage at open (6mm) : Approx. 0.6 ~ 1.3V

7.

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.

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the E-EGR Actuator and go to "Verification of Vehicle Repair" procedure.

caution

•

When installing component, tighten it within specification

•

If component is dropped, check for proper operation. The internal damage may be present

caution

•

When EEGR is replaced, perform "Essential work after component replacement. Otherwise, vehicle performance and emission control may not work properly until auto learning is completed

1.

Ignition Switch "OFF"

2.

Connect GDS to Data Link Connector(DLC).

3.

Ignition Switch "ON" & Engine "OFF"

4.

Perform "Essential Work After Component Replacement" in "Vehicle Software Management" with GDS.

5.

Select "EGR Valve Change"

Fig.1) Vehicle S/W Management list of Engine

Fig.2) "Essential Work After Component Replacement"

Fig.3) EGR Valve Change

Fig.4) Complete