Vacuum Diagrams: Introduction

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

Fig 1: Vacuum Diagram (ES300 - 1 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Vacuum Diagram (ES300 - 2 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Vacuum Diagram (ES300 - 3 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Vacuum Diagram (ES300 - 4 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: Vacuum Diagram (GS300 - 1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Vacuum Diagram (GS300 - 2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 7: Vacuum Diagram (GS300 - 3 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 8: Vacuum Diagram (GS400 - 1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 9: Vacuum Diagram (GS400 - 2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 10: Vacuum Diagram (GS400 - 3 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 11: Vacuum Diagram (LS400)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 12: Vacuum Diagram (LX470 - 1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 13: Vacuum Diagram (LX470 - 2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 14: Vacuum Diagram (RX300 - 1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 15: Vacuum Diagram (RX300 - 2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 16: Vacuum Diagram (RX300 - 3 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 17: Vacuum Diagram (SC300)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 18: Vacuum Diagram (SC400)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002