Tercel Sedan 2-Door L4-1456cc 1.5L SOHC (3E-E) (1991)
Fig. 84 Testing VSV - Current Applied
6. Check VSV operation by blowing air into either pipe, Fig. 85. If air flows through other pipe, replace the VSV.
7. Apply battery voltage across terminals. Fig. 84
8. Check that air flows through both pipes.
9. If not as specified, replace the VSV.
10. Reinstall the VSV. Reconnect electrical connector and vacuum hoses.