Vacuum Diagrams: Introduction

This article contains underhood views or schematics of vacuum hose routing. Use these vacuum diagrams during visual inspection in BASIC DIAGNOSTIC PROCEDURES article. This will assist in identifying improperly routed vacuum hoses which cause driveability and/or computer indicated malfunctions.

Fig 1: Vacuum Diagram (B2500 - California)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Vacuum Diagram (B2500 - Except California)

Courtesy of MAZDA MOTORS CORP.

Fig 3: Vacuum Diagram (B3000)

Courtesy of MAZDA MOTORS CORP.

Fig 4: Vacuum Diagram (B4000)

Courtesy of MAZDA MOTORS CORP.

Fig 5: Vacuum Diagram (Miata)

Courtesy of MAZDA MOTORS CORP.

Fig 6: Vacuum Diagram (Millenia 2.3L)

Courtesy of MAZDA MOTORS CORP.

Fig 7: Vacuum Diagram (Millenia 2.5L)

Courtesy of MAZDA MOTORS CORP.

Fig 8: Vacuum Diagram (MPV)

Courtesy of MAZDA MOTORS CORP.

Fig 9: Vacuum Diagram (Protege 1.6L)

Courtesy of MAZDA MOTORS CORP.

Fig 10: Vacuum Diagram (Protege 1.8L)

Courtesy of MAZDA MOTORS CORP.

Fig 11: Vacuum Diagram (626 2.0L)

Courtesy of MAZDA MOTORS CORP.

Fig 12: Vacuum Hose Routing (626 2.5L)

Courtesy of MAZDA MOTORS CORP.