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Vacuum Diagrams: Introduction

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

NOTE: When using vacuum diagrams, the charcoal canister may also be referred to as canister or EVAP canister.

Fig 1: Vacuum Diagram (Avalon - 1 Of 2)

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Fig 2: Vacuum Diagram (Avalon - 2 Of 2)

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Fig 3: Vacuum Diagram (Camry 2.4L 4-Cyl. - Up To Jan. 2003 Production)

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Fig 4: Vacuum Diagram (Camry 2.4L 4-Cyl. - Jan. 2003 & Later Production)

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Fig 5: Vacuum Diagram (Camry 3.0L V6 - Up To Jan. 2003 Production)

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Fig 6: Vacuum Diagram (Camry 3.0L V6 - Jan. 2003 & Later Production)

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Fig 7: Vacuum Diagram (Camry Solara 2.4L 4-Cyl. - 1 Of 2)

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Fig 8: Vacuum Diagram (Camry Solara 2.4L 4-Cyl. - 2 Of 2)

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Fig 9: Vacuum Diagram (Camry Solara 3.0L V6 - 1 Of 2)

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Fig 10: Vacuum Diagram (Camry Solara 3.0L V6 - 2 Of 2)

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Fig 11: Vacuum Diagram (Celica - 1 Of 2)

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Fig 12: Vacuum Diagram (Celica - 2 Of 2)

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Fig 13: Vacuum Diagram (Corolla 1.8L 4-Cyl. & Matrix 1.8L 4-Cyl.) - 1ZZ-FE Engine

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Fig 14: Vacuum Diagram (Corolla 1.8L 4-Cyl. & Matrix 1.8L 4-Cyl.) - 2ZZ-GE Engine

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Fig 15: Vacuum Diagram (ECHO - 1 Of 2)

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Fig 16: Vacuum Diagram (ECHO - 2 Of 2)

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Fig 17: Vacuum Diagram (Highlander 2.4L 4-Cyl.)

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Fig 18: Vacuum Diagram (Highlander 3.0L V6)

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Fig 19: Vacuum Diagram (Land Cruiser - 1 Of 2)

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Fig 20: Vacuum Diagram (Land Cruiser - 2 Of 2)

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Fig 21: Vacuum Diagram (MR2 - 1 Of 2)

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Fig 22: Vacuum Diagram (MR2 - 2 Of 2)

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Fig 23: Vacuum Diagram (Prius - 1 Of 3)

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Fig 24: Vacuum Diagram (Prius - 2 Of 3)

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Fig 25: Vacuum Diagram (Prius - 3 Of 3)

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Fig 26: Vacuum Diagram (RAV4 - 1 Of 2)

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Fig 27: Vacuum Diagram (RAV4 - 2 Of 2)

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Fig 28: Vacuum Diagram (Sequoia - 1 Of 2)

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Fig 29: Vacuum Diagram (Sequoia - 2 Of 2)

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Fig 30: Vacuum Diagram (Sienna - 1 Of 2)

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Fig 31: Vacuum Diagram (Sienna - 2 Of 2)

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Fig 32: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE - 1 Of 2)

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Fig 33: Vacuum Diagram (Tacoma 2.7L 4-Cyl. 3RZ-FE - 1 Of 2)

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Fig 34: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE & 2.7L 4-Cyl. 3RZ-FE 4-Cyl. - 2 Of 2 - Except California)

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Fig 35: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE & 2.7L 4-Cyl. 3RZ-FE 4-Cyl. - 2 Of 2 - California)

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Fig 36: Vacuum Diagram (Tacoma 3.4L V6 - 1 Of 2)

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Fig 37: Vacuum Diagram (Tacoma 3.4L V6 - 2 Of 2)

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Fig 38: Vacuum Diagram (Tundra 3.4L V6 - 1 Of 2)

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Fig 39: Vacuum Diagram (Tundra 3.4L V6 - 2 Of 2)

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Fig 40: Vacuum Diagram (Tundra 4.7L V8 - 1 Of 2)

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Fig 41: Vacuum Diagram (Tundra 4.7L V8 - 2 Of 2)

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Fig 42: Vacuum Diagram (4Runner 4.0L V6)

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Fig 43: Vacuum Diagram (4Runner 4.7L V8)

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