Ignition switch "OFF"
Disconnect battery (-) cable.
Refer to "Shop Manual" and disconnect VSA connector.
Measure the resistance between motor(+) terminal and motor(-) terminal of VSA.
Specification : Approx. 3.4 ~4.4Ω (Approx. 20℃/Approx. 68℉)
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. |
When installing component, tighten it within specification
If component is dropped, check for proper operation. The internal damage may be present
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.
Ignition switch "OFF"
Connect GDS to Data Link Connector (DLC).
Ignition switch "ON" & Engine "OFF"
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
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. |
When installing component, tighten it within specification.
If component is dropped, check for proper operation. The internal damage may be present.
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.
Ignition switch "OFF"
Connect GDS to Data Link Connector(DLC).
I Ignition switch "ON" & Engine "OFF"
Perform "Essential Work After Component Replacement" in "Vehicle Software Management" with GDS.
Select "Swirl Control Valve(VSA) Change"
Fig.1) Vehicle S/W Management list of Engine
Fig.2) "Essential Work After Component Replacement"
Fig.3) Swirl Control Valve (VSA)Change
Fig.4) Complete