VARIABLE SWIRL SOLENOID VALVE INSPECTION [L3 Turbo]

1. Remove the variable swirl solenoid valve. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

2. Inspect the airflow between the ports under the following conditions.

• If not as specified, replace the variable swirl control solenoid valve.

• If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [L3 Turbo].)

2. Inspect the following wiring harness for open or short circuit (continuity check).

Open circuit

• If there is no continuity, there is an open circuit. Repair or replace the wiring harness.

- Variable swirl control solenoid valve terminal B and PCM terminal 4K

- Variable swirl control solenoid valve terminal A and main relay terminal C

Short circuit

• If there is continuity, there is a short circuit. Repair or replace the wiring harness.

- Variable swirl control solenoid valve terminal B and body ground

- Variable swirl control solenoid valve terminal A and power supply