Turn ignition switch OFF.

Disconnect the variable swirl actuator connector.

Check that swirl valve is stuck by foreign material.

Measure resistance between No.1 and No.2 terminal of position sensor.

Check that the resistance is within the specification.

Turn ignition switch OFF.

Disconnect the variable swirl actuator connector.

Check that swirl valve is stuck by foreign material.

Measure resistance between No.3 and No.5 terminal of position sensor.

Check that the resistance is within the specification.

Connect the GDS the data link connector.

Perform the fully open and the fully closing operation of the Variable swirl actuator by using the actuation test.

Check that the voltage is within the specification.

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

Disconnect the variable swirl actuator connector (A).

Remove the control wiring mounting bolt (B).

Release the the engine wiring harness part (A) after removing the mounting bolts.

Remove the variable swirl actuator (A) after loosening the mounting bolts (B).

Remove the shaft link assembly (C) after removing the E-ring (A) and the washer (B).

note

Be careful not to remove the washer or E-ring.

Remove the variable swirl actuator.

Install in the reverse order of removal.

Confirm normal operation of the actuator more than 3 times when the ignition switch OFF after full warm up (Engine Coolant Temperature > 70°C).

Turn the ignition switch OFF.

Connect the GDS to Data Link Connector (DLC).

Turn the ignition switch ON.

Select "Vehicle, Model year, Engine, System".

Select "Vehicle S/W Management".

Select "Component Change Routine".

Select "Lambda Sensor Change".

Turn the ignition switch OFF and Turn the ignition switch ON again in 20 seconds.