Lexus IS250 IS220d GSE20 ALE20 4GR-FSE EMISSION CONTROL

VACUUM SWITCHING VALVE (for EVAP) - INSPECTION

1. INSPECT VACUUM SWITCHING VALVE (for EVAP)
Vacuum Switching Valve (For Evap) - Inspection. 4GR-FSE EMISSION CONTROL. Lexus IS250 IS220d GSE20 ALE20

Measure the resistance of the VSV.

  • Standard resistance:
  • Tester ConnectionSpecified Condition
    1 - 226 to 30 Ω at 20°C (68°F)
    1 - Body ground
    2 - Body ground
    10 MΩ or higher

If the result is not as specified, replace the VSV.


Check operation of the VSV.

Vacuum Switching Valve (For Evap) - Inspection. 4GR-FSE EMISSION CONTROL. Lexus IS250 IS220d GSE20 ALE20

Check that air does not flow from port E to port F.

Vacuum Switching Valve (For Evap) - Inspection. 4GR-FSE EMISSION CONTROL. Lexus IS250 IS220d GSE20 ALE20

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.

LEXUS IS250, IS220d / GSE20 ALE20