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 10 other vehicles, including the 2002 Toyota Tacoma, 2002 Toyota RAV4, 2002 Toyota Prius, 2002 Toyota MR2, and 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- Remove pressure switching valve Vacuum Switching Valve (VSV). See PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE LOCATION table. See Figure-Figure
.PRESSURE SWITCHING VALVE VACUUM SWITCHING VALVE LOCATION
Application Location Camry On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With Violet & Black/Red Wires Camry Solara On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With White/Red & Red Wires Celica On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With Green/Orange & Black/White Wires Corolla On Bracket At Charcoal Canister Near Fuel Tank & Contains Black 2-Pin Electrical Connector With Red & Black Wires Highlander On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With White & Green/Yellow Wires MR2 Below Driver's Side Luggage Compartment, On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With Blue/White & Black/Red Wires RAV4 On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With Green/Orange & Black/Red Wires Tacoma On Bracket At Charcoal Canister Near Fuel Tank & Contains Blue 2-Pin Electrical Connector With Green/Black & White/Red 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 30-36 Camry Solara & Celica (1) Corolla 37-44 Highlander, MR2, RAV4 & Tacoma 30-36 (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)