Vacuum Solenoid Valve HVAC: Service and Repair
Two Way Valve:
If the vacuum system fails, the fresh air/recirculation door will open and all air will be brought into the vehicle from outside.
- Remove cover under glove compartment.
- Start engine and run at idle.
- Push A/C switch button.
- Push recirculation button.
Warning light lights up, fresh air/recirculation door closes.
If warning light does light and fresh air/recirculation door does not close,
- Check voltage supply for Two way valve according to wiring diagram and repair as necessary.
- Check vacuum system and repair as necessary.