EFE Solenoid: Testing and Inspection

VARIABLE FRESH AIR DUCT (VFAD) SOLENOID VALVE INSPECTION [13B-MSP]

Vehicles With VFAD

Airflow inspection

1. Disconnect the negative battery cable.

2. Remove the VFAD solenoid valve. Intake-Air System Removal/Installation

3. Inspect for airflow with the steps in the table below.











- If there is any malfunction, replace the VFAD solenoid valve. Intake-Air System Removal/Installation
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit open/short inspection

1. Disconnect the PCM connector. Service and Repair

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






Open circuit

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

- VFAD solenoid valve terminal B and PCM terminal 1AE
- VFAD solenoid valve terminal A and main relay terminal C

Short circuit

- If there is no continuity, the circuit is shorted. Repair or replace the wiring harness.

- VFAD solenoid valve terminal B and body GND
- VFAD solenoid valve terminal A and power supply