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 when malfunction exists with the EVAP Vacuum Switching Valve (VSV), vapor pressure sensor VSV or vapor pressure sensor. Possible causes are:
- Vapor pressure sensor circuit is open or shorted.
- Defective vapor pressure sensor.
- Vapor pressure sensor VSV circuit is open or shorted.
- Defective vapor pressure sensor VSV.
- EVAP VSV circuit is open or shorted.
- Defective EVAP VSV.
- Damaged, disconnected or restricted vacuum hose(s) or tubes.
- Defective charcoal canister.
- Defective ECM.