ignition Switch "OFF"

Connect GDS to Data Link Connector (DLC).

Ignition switch "ON" & Engine "OFF"

Perform "Boost Pressure Actuator 5%" and "Boost Pressure Actuator 95%" in "Actuation Test" with GDS.

Monitor "Boost Pressure Actuator" parameter in "Current Data" with GDS.

Fig.1) Boost pressure actuator current data when performing "Boost Pressure Actuator 5%" in "Actuation Test" with GDS.

Fig.2) Boost pressure actuator current data when performing "Boost Pressure Actuator 95%" in "Actuation Test" with GDS.

Is the parameter displayed 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 VGT control actuator and go to "Verification of Vehicle Repair" procedure.

Ignition switch "OFF"

Connect GDS to Data Link Connector (DLC).

Ignition switch "ON" & Engine "OFF"

Perform "Essential Work After Component Replacement" in "Vehicle S/W Management" with GDS.

Select "VGT Actuator Change"

Fig.1) Vehicle S/W Management list of U2 engine

Fig.2) "Essential Work After Component Replacement"

Fig.3) VGT Actuator Change 1

Fig.4) VGT Actuator Change 2

Fig.5) Complete