Pressure Switching Valve Vacuum Switching Valve (Camry, Camry Solara, Celica, Corolla, Highlander, MR2, RAV4 & Tacoma)
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
- Remove pressure switching valve Vacuum Switching Valve (VSV). For pressure switching valve VSV location, see PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE LOCATION table and Figure-Figure
.PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE LOCATION
Application Location Camry On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Violet & Black/Red Wires Camry Solara On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With White/Red & Red Wires Celica On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Green/Orange & Black/White Wires Corolla On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Red & Black Wires Highlander On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With White & Green/Yellow Wires Matrix (1) MR2 Below Driver's Side Luggage Compartment, On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Blue/White & Black/Red Wires RAV4 On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Green/Orange & Black/Red Wires Tacoma On Bracket At Charcoal Canister Near Fuel Tank & Contains 2-Pin Electrical Connector With Green/Black & White/Red Wires (1) On 2WD, pressure switching valve vacuum switching valve is located on bracket at charcoal canister near fuel tank. On 4WD, pressure switching valve vacuum switching valve is located on passenger side of fuel tank both contain 2-pin electrical connector with Red & Black wires. - Using ohmmeter, ensure continuity exists between electrical terminals on pressure switching valve VSV and that resistance is within specification. See PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE RESISTANCE table. Replace pressure switching valve VSV if no continuity exists or resistance is not within specification.PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE RESISTANCE
Application Ohms @ 68°F (20°C) Camry, Highlander, MR2, RAV4 & Tacoma 30-36 Camry Solara & Celica (1) Corolla & Matrix 37-44 (1) Resistance should be 37-44 ohms at 68°F (20°C) and 51-62 ohms at 248 °F (120°C). - Ensure no continuity exists between each electrical terminal and body of pressure switching valve VSV. Replace pressure switching valve VSV if continuity exists between electrical terminal and body of pressure switching valve VSV.
- To test pressure switching valve VSV operation, apply air pressure to port "E". Ensure air does not flow from port "F". Perform STEP 1 in illustration. See Fig 1-Fig 3 .
- Apply battery voltage and ground to electrical terminals on pressure switching valve VSV. Apply air pressure to port "E". Ensure air flows from port "F". Perform STEP 2 in illustration. See Fig 1-Fig 3 . Replace pressure switching valve VSV if defective.
Fig 1: Testing Pressure Switching Valve Vacuum Switching Valve (Camry, Camry Solara, Celica, Highlander, MR2 & RAV4)