Circuit Description
WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
Vapor pressure sensor, canister closed valve VSV and pressure switching valve 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.