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.

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 2.2L 4-Cyl. CNG - 1 Of 3)

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Fig 5: Vacuum Diagram (Camry 2.2L 4-Cyl. CNG - 2 Of 3)

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Fig 6: Vacuum Diagram (Camry 2.2L 4-Cyl. CNG - 3 Of 3)

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Fig 7: Vacuum Diagram (Camry 2.2L 4-Cyl. Gasoline & Camry Solara 2.2L 4-Cyl. - 1 Of 3)

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Fig 8: Vacuum Diagram (Camry 2.2L 4-Cyl. Gasoline & Camry Solara 2.2L 4-Cyl. - 2 Of 3)

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Fig 9: Vacuum Diagrams (Camry 2.2L 4-Cyl. Gasoline & Camry Solara 2.2L 4-Cyl. - 3 Of 3)

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Fig 10: Vacuum Diagram (Camry 3.0L V6 & Camry Solara 3.0L V6 - 1 Of 3)

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Fig 11: Vacuum Diagram (Camry 3.0L V6 & Camry Solara 3.0L V6 - 2 Of 3)

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Fig 12: Vacuum Diagram (Camry 3.0L V6 & Camry Solara 3.0L V6 - 3 Of 3)

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

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

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Fig 15: Vacuum Diagram (Celica Both 1.8L 4-Cyl. - 3 Of 4)

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Fig 16: Vacuum Diagram (Celica Both 1.8L 4-Cyl. - 4 Of 4)

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Fig 17: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 1 Of 3)

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Fig 18: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 2 Of 3)

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Fig 19: Vacuum Diagram (Corolla 1.8L 4-Cyl. - 3 Of 3)

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Fig 20: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 1 Of 3)

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Fig 21: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 2 Of 3)

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Fig 22: Vacuum Diagram (ECHO 1.5L 4-Cyl. - 3 Of 3)

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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 (RAV4 2.0L 4-Cyl. - 1 Of 3)

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Fig 27: Vacuum Diagram (RAV4 2.0L 4-Cyl. - 2 Of 3)

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Fig 28: Vacuum Diagram (RAV4 2.0L 4-Cyl. - 3 Of 3)

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Fig 29: Vacuum Diagram (Sienna 3.0L V6 - 1 Of 3)

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Fig 30: Vacuum Diagram (Sienna 3.0L V6 - 2 Of 3)

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Fig 31: Vacuum Diagram (Sienna 3.0L V6 - 3 Of 3)

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Fig 32: Vacuum Diagram (Tacoma 2.4L 4-Cyl. With California Emissions - 1 Of 3)

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Fig 33: Vacuum Diagram (Tacoma 2.4L 4-Cyl. With California Emissions - 2 Of 3)

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Fig 34: Vacuum Diagram (Tacoma 2.4L 4-Cyl. With California Emissions - 3 Of 3)

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Fig 35: Vacuum Diagram (Tacoma 2.7L 4-Cyl. With California Emissions - 1 Of 3)

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Fig 36: Vacuum Diagram (Tacoma 2.7L 4-Cyl. With California Emissions - 2 Of 3)

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Fig 37: Vacuum Diagram (Tacoma 2.7L 4-Cyl. With California Emissions - 3 Of 3)

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Fig 38: Vacuum Diagram (Tacoma 2.4L 4-Cyl. & 2.7L 4-Cyl. Without California Emissions - 1 Of 3)

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Fig 39: Vacuum Diagram (Tacoma 2.4L 4-Cyl. & 2.7L 4-Cyl. Without California Emissions - 2 Of 3)

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Fig 40: Vacuum Diagram (Tacoma 2.4L 4-Cyl. & 2.7L 4-Cyl. Without California Emissions - 3 Of 3)

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Fig 41: Vacuum Diagram (Tacoma 3.4L V6)

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Fig 42: Vacuum Diagram (Tacoma 3.4L V6 2WD & Tacoma 3.4L V6 4WD With California Emissions - 1 Of 2)

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Fig 43: Vacuum Diagram (Tacoma 3.4L V6 2WD & Tacoma 3.4L V6 4WD With California Emissions - 2 Of 2)

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Fig 44: Vacuum Diagram (Tacoma 3.4L V6 4WD Without California Emissions - 1 Of 2)

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Fig 45: Vacuum Diagram (Tacoma 3.4L V6 4WD Without California Emissions - 2 Of 2)

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Fig 46: Vacuum Diagram (Tundra 3.4L V6)

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Fig 47: Vacuum Diagram (Tundra 3.4L V6 With California Emissions - 1 Of 2)

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Fig 48: Vacuum Diagram (Tundra 3.4L V6 With California Emissions - 2 Of 2)

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Fig 49: Vacuum Diagram (Tundra 3.4L V6 Without California Emissions - 1 Of 2)

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Fig 50: Vacuum Diagram (Tundra 3.4L V6 Without California Emissions - 2 Of 2)

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Fig 51: Vacuum Diagram (Tundra 4.7L V8 - 1 Of 3)

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Fig 52: Vacuum Diagram (Tundra 4.7L V8 - 2 Of 3)

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

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Fig 54: Vacuum Diagram (4Runner 2.7L 4-Cyl. - 1 Of 3)

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Fig 55: Vacuum Diagram (4Runner 2.7L 4-Cyl. - 2 Of 3)

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Fig 56: Vacuum Diagram (4Runner 2.7L 4-Cyl. - 3 Of 3)

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

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Fig 58: Vacuum Diagram (4Runner 3.4L V6 With California Emissions - 1 Of 2)

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Fig 59: Vacuum Diagram (4Runner 3.4L V6 With California Emissions - 2 Of 2)

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Fig 60: Vacuum Diagram (4Runner 3.4L V6 Without California Emissions - 1 Of 2)

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Fig 61: Vacuum Diagram (4Runner 3.4L V6 Without California Emissions - 2 Of 2)

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