VARIABLE INTAKE-AIR SOLENOID VALVE INSPECTION [LF]


B3E011318740W01

1. Remove the variable intake-air solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF].)

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

• If not as specified, replace the variable intake-air 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 [LF].)

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

Open circuit

• If there is no continuity, the circuit is open. Repair or replace the wiring harness.
- Variable intake-air solenoid valve terminal A and PCM terminal 2AJ
- Variable intake-air solenoid valve terminal B and main relay terminal

Short circuit

• If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
- Variable intake-air solenoid valve terminal B and body GND
- Variable intake-air solenoid valve terminal A and power supply