Pressure Regulator Control Solenoid Valve
Fig. 14 Pressure regulator control solenoid valve.:
1. Disconnect vacuum hose from solenoid valve and vacuum pipe.
2. Blow into side port A of valve and ensure air flows from bottom port B Fig 14.
3. Disconnect electrical connector at valve.
4. Connect 12 volts and ground to valve terminals.
5. Blow into side A port of valve and ensure air flows from valve's air filter.