Variable Fresh Air Duct (VFAD) Solenoid Valve Inspection (13B-MSP (High Power)): Notes

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the VFAD solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Inspect for airflow. See Fig 2 .
- If it is normal, inspect related wiring harnesses.
- If there is any malfunction, replace the VFAD solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  
  Fig 1: Variable Fresh Air Duct Solenoid Valve Terminals Continuity - 13B-MSP (High Power)
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Variable Fresh Air Duct Solenoid Valve Ports
  Courtesy of MAZDA MOTORS CORP.