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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)
G99F02493Courtesy of MAZDA MOTORS CORP.
Fig 2: Vacuum Diagram (B2500 - Except California)
G98F01506Courtesy of MAZDA MOTORS CORP.
Fig 3: Vacuum Diagram (B3000)
G98H01507Courtesy of MAZDA MOTORS CORP.
Fig 4: Vacuum Diagram (B4000)
G98J01508Courtesy of MAZDA MOTORS CORP.
Fig 5: Vacuum Diagram (Miata)
G99C04872Courtesy of MAZDA MOTORS CORP.
Fig 6: Vacuum Diagram (Millenia 2.3L)
G97G06651Courtesy of MAZDA MOTORS CORP.
Fig 7: Vacuum Diagram (Millenia 2.5L)
G99A04871Courtesy of MAZDA MOTORS CORP.
Fig 8: Vacuum Diagram (MPV)
G99B54685Courtesy of MAZDA MOTORS CORP.
Fig 9: Vacuum Diagram (Protege 1.6L)
G99E04873Courtesy of MAZDA MOTORS CORP.
Fig 10: Vacuum Diagram (Protege 1.8L)
G99G04874Courtesy of MAZDA MOTORS CORP.
Fig 11: Vacuum Diagram (626 2.0L)
G98H12523Courtesy of MAZDA MOTORS CORP.
Fig 12: Vacuum Hose Routing (626 2.5L)
G98J12525Courtesy of MAZDA MOTORS CORP.