4.
Is DTC status displayed as Present?
Connect GDS to Data Link Connector(DLC).
Ignition "ON"
Monitor "Diagnostic Trouble Codes(DTC)" with GDS.
Is DTC status displayed as Present?
 | ▶ Go to "Monitor GDS Data" procedure. |
 | ▶ Go to "Verification of Vehicle Repair" procedure. |
Ignition switch "OFF"
Connect VMI to GDS and select oscilloscope.(2 Channel)
Channel A (+) : Pin No. 1(Control) connector (On VGT valve Connector)
Channel A (-) : Ground
Connect GDS to Data Link Connector (DLC).
Engine "ON"
Inspection condition : Engine Idle / Acceleration
Specification : Refer to Fig. below
Fig.1 ) At Idle, VGT Actuator Duty Control
Fig.2 ) At Acceleration, VGT Actuator Duty Control
Fig.3 ) Approx. 2500rpm, VGT Actuator and Boost Pressure Current Data
Fig.4 ) Approx. 5000rpm, VGT Actuator and Boost Pressure Current Data
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. |
| ▶ Go to "Terminal & Connector Inspection" procedure. |
