Component Inspection
■ VSA Motor Coil Resistance Inspection
1.

Ignition switch "OFF"

2.

Disconnect battery (-) cable.

3.

Refer to "Shop Manual" and disconnect VSA connector.

4.

Measure the resistance between Pin No. 1 (Motor +) terminal and Pin No. 2 (Motor -) terminal of VSA.

Specification : Approx. 3.4 ~4.4Ω (Approx. 20℃/Approx. 68℉)

5.

Is the measured value within specification?

▶ Go to "Actuation Test" procedure.

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the VSA 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 VSA is replaced, perform "Essential work after component replacement. Otherwise, vehicle performance and emission control may not work properly until auto learning is completed.

■ Actuation Test
6.

Ignition switch "OFF"

7.

Connect GDS to Data Link Connector (DLC).

8.

Ignition switch "ON" & Engine "OFF"

9.

Perform "Variable Swirl Control Actuator" in "Actuation Test" with GDS.

Specification : Variable Swirl Actuator current data changes in according to actuation test

Fig.1) "Actuation Test" of variable swirl control actuator 10%. (A : Start / B : Stop)

Fig.2) "Actuation Test" of variable swirl control actuator 90%. (A : Start / B : Stop)

10.

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

Vehicle S/W Management
■ In case of Variable Swirl Control Actuator is replaced, perform follwoing procedures;
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 S/W Management" with GDS.

5.

Select "Swirl Control Valve(VSA) Change"

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

Fig.2) "Essential Work After Component Replacement"

Fig.3) Swirl Control Valve (VSA)Change

Fig.4) Complete

Яндекс.Метрика