Operation CHARM: Car repair manuals for everyone.

Variable Intake Air Solenoid Valve Inspection




VARIABLE INTAKE AIR SOLENOID VALVE INSPECTION [LF, L3]

1. Remove the variable intake air solenoid valve. Service and Repair

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".





LF





L3






Circuit Open/Short Inspection

1. Disconnect the PCM connector. Service and Repair

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 2J*1, 2AJ*2

- Variable intake air solenoid valve terminal B and main relay terminal A

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 ground

- Variable intake air solenoid valve terminal A and power supply

*1
California emission regulation applicable model and except for California emission regulation applicable model with LF MTX, L3
*2
Except for California emission regulation applicable model with LF ATX