Vacuum Switching Valve: Impulse

The Impulse vacuum switching valve has 2 ports. The application of manifold vacuum to the air switching valve is controlled by the electronic control module.

Fig 1: Air Injection System (1.9L California P'UP & Trooper II)

Courtesy of ISUZU MOTOR CO.

Fig 2: Air Injection System (2.3L Federal P'UP & Trooper II)

Courtesy of ISUZU MOTOR CO.

Fig 3: Air Injection System (2.3L California P'UP & Trooper II)

Courtesy of ISUZU MOTOR CO.