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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 3.0L V6 - 1 Of 3)

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Fig 2: Vacuum Diagram (Avalon 3.0L V6 - 2 Of 3)

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Fig 3: Vacuum Diagram (Avalon 3.0L V6 - 3 Of 3)

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

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Fig 5: Vacuum Diagram (Camry 3.0L V6)

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Fig 6: Vacuum Diagram (Camry Solara 2.4L 4-Cyl. - 1 Of 2)

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

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Fig 8: Vacuum Diagram (Camry Solara 3.0L V6 - 1 Of 3)

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Fig 9: Vacuum Diagram (Camry Solara 3.0L V6 - 2 Of 3)

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Fig 10: Vacuum Diagram (Camry Solara 3.0L V6 - 3 Of 3)

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Fig 11: Vacuum Diagram (Celica 1.8L 4-Cyl. 1ZZ-FE - 1 Of 3)

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Fig 12: Vacuum Diagram (Celica 1.8L 4-Cyl. 2ZZ-GE - 1 Of 3)

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Fig 13: Vacuum Diagram (Celica 1.8L 4-Cyl. 1ZZ-FE & 1.8L 4-Cyl. 2ZZ-GE - 2 Of 3)

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Fig 14: Vacuum Diagram (Celica 1.8L 4-Cyl. 1ZZ-FE & 1.8L 4-Cyl. 2ZZ-GE - 3 Of 3)

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Fig 15: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 1 Of 3)

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Fig 16: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 2 Of 3)

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Fig 17: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 3 Of 3)

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Fig 18: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 1 Of 3)

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Fig 19: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 2 Of 3)

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Fig 20: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 3 Of 3)

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Fig 21: Vacuum Diagram (Highlander 2.4L 4-Cyl.)

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Fig 22: Vacuum Diagram (Highlander 3.0L V6)

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Fig 23: Vacuum Diagram (Land Cruiser 4.7L V8 - 1 Of 3)

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Fig 24: Vacuum Diagram (Land Cruiser 4.7L V8 - 2 Of 3)

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Fig 25: Vacuum Diagram (Land Cruiser 4.7L V8 - 3 Of 3)

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Fig 26: Vacuum Diagram (MR2 1.8L 4-Cyl. - 1 Of 3)

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Fig 27: Vacuum Diagram (MR2 1.8L 4-Cyl. - 2 Of 3)

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Fig 28: Vacuum Diagram (MR2 1.8L 4-Cyl. - 3 Of 3)

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Fig 29: Vacuum Diagram (Prius 1.5L 4-Cyl. - 1 Of 4)

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Fig 30: Vacuum Diagram (Prius 1.5L 4-Cyl. - 2 Of 4)

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Fig 31: Vacuum Diagram (Prius 1.5L 4-Cyl. - 3 Of 4)

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Fig 32: Vacuum Diagram (Prius 1.5L 4-Cyl. - 4 Of 4)

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Fig 33: Vacuum Diagram (RAV4 2.0L 4-Cyl. - 1 Of 3)

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Fig 34: Vacuum Diagram (RAV4 2.0L 4-Cyl. - 2 Of 3)

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Fig 35: Vacuum Diagram (RAV4 2.0L 4-Cyl. - 3 Of 3)

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Fig 36: Vacuum Diagram (Sequoia 4.7L V8 - 1 Of 3)

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Fig 37: Vacuum Diagram (Sequoia 4.7L V8 - 2 Of 3)

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Fig 38: Vacuum Diagram (Sequoia 4.7L V8 - 3 Of 3)

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Fig 39: Vacuum Diagram (Sienna 3.0L V6 - 1 Of 3)

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Fig 40: Vacuum Diagram (Sienna 3.0L V6 - 2 Of 3)

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Fig 41: Vacuum Diagram (Sienna 3.0L V6 - 3 Of 3)

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Fig 42: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE - 1 Of 3)

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Fig 43: Vacuum Diagram (Tacoma 2.7L 4-Cyl. 3RZ-FE - 1 Of 3)

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Fig 44: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE & 2.7L 4-Cyl. 3RZ-FE 4-Cyl. - 2 Of 3)

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Fig 45: Vacuum Diagram (Tacoma 2.4L 4-Cyl. 2RZ-FE & 2.7L 4-Cyl. 3RZ-FE 4-Cyl. - 3 Of 3)

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Fig 46: Vacuum Diagram (Tacoma 3.4L V6 - 1 Of 3)

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Fig 47: Vacuum Diagram (Tacoma 3.4L V6 - 2 Of 3)

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Fig 48: Vacuum Diagram (Tacoma 3.4L V6 - 3 Of 3)

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Fig 49: Vacuum Diagram (Tundra 3.4L V6 - 1 Of 3)

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Fig 50: Vacuum Diagram (Tundra 3.4L V6 - 2 Of 3)

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Fig 51: Vacuum Diagram (Tundra 3.4L V6 - 3 Of 3)

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Fig 52: Vacuum Diagram (Tundra 4.7L V8 - 1 Of 3)

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Fig 53: Vacuum Diagram (Tundra 4.7L V8 - 2 Of 3)

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Fig 54: Vacuum Diagram (Tundra 4.7L V8 - 3 Of 3)

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Fig 55: Vacuum Diagram (4Runner 3.4L V6 - 1 Of 3)

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Fig 56: Vacuum Diagram (4Runner 3.4L V6 - 2 Of 3)

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Fig 57: Vacuum Diagram (4Runner 3.4L V6 - 3 Of 3)

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