Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Emission Control. Lexus Gs430, Gs300. Uzs190 Grs190
Vacuum Switching Valve (For Evap) -- Inspection |
1. INSPECT VACUUM SWITCHING VALVE (for EVAP) |
Measure the resistance of the VSV.
- Standard resistance:
Tester Connection Specified Condition 1 - 2 26 to 30 Ω at 20°C (68°F) 1 - Body ground
2 - Body ground10 MΩ or higher
![]() |
Check operation of the VSV.
Check that air does not flow from port E to port F.
Apply battery voltage across terminals 1 and 2.
Check that air flows from port E to port F.
If the result is not as specified, replace the VSV.