Lexus IS250 IS220d GSE20 ALE20 4GR-FSE EMISSION CONTROL
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
If the result is not as specified, replace the VSV.
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.
LEXUS IS250, IS220d / GSE20 ALE20