10644514

1.

Ignition switch "OFF"

2.

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

Channel A (+) : ACV feedback signal terminal (ACV Harness Connector)

Channel A (-) : Ground

3.

Connect GDS to Data Link Connector (DLC).

4.

Ignition switch "ON" & Engine "OFF"

5.

Perform "Throttle Valve Actuator 10%" and "Throttle Valve Actuator 90%" in "Actuation Test" with GDS.

Specification :Refer to table below

Item	Specification
Voltage value at W.O.T (V)	Approx. 0.5V
Voltage value at closed (V)	Approx. 4.5V

6.

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 ACV 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 ACV 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 "Throttle Valve"

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

Fig.2 ) "Essential Work After Component Replacement"

Fig.3) Throttle vale Change

Fig.4 ) Complete