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VARIABLE SWIRL SOLENOID VALVE INSPECTION [L3 Turbo]

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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