Circuit Description
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Vapor pressure sensor and vapor pressure sensor Vacuum Switching Valve (VSV) are used to detect abnormalities in the EVAP system. DTC is set if a leak is detected in EVAP system or vapor pressure sensor malfunctions. Possible causes are:
- Damaged, disconnected or restricted vacuum hose(s) or tubes.
- Fuel tank cap is loose or improperly installed.
- Defective fuel tank cap.
- Damaged fuel tank.
- Defective charcoal canister.
- Vapor pressure sensor circuit is open or shorted.
- Defective vapor pressure sensor.
- Defective ECM.