Circuit Description
WARNING: This page is about a different car, the 2000 Toyota ECHO. However, it is still accessible from the selected car via links, so may be relevant.
Vapor pressure sensor, canister closed valve Vacuum Switching Valve (VSV) and EVAP VSV are used to detect faults in EVAP system. DTC is set if vapor pressure sensor malfunctions. Possible causes are:
- Vapor pressure sensor circuit is open or shorted.
- Defective vapor pressure sensor.
- Defective ECM.