toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

EGR Temperature Sensor > < Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Description and Operation|Page 1681
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Fig. 79 Testing VSV With Current Applied

6. Check VSV operation by blowing air from pipe E to pipe F, Fig. 78. If air does NOT flow, replace the VSV. 
7. Apply battery voltage across terminals. Fig. 79
8. Check that air flows from pipe E through the filter.
9. If not as specified, replace the VSV.

10. Reinstall the VSV. Reconnect electrical connector and vacuum hoses.

EGR Temperature Sensor > < Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Description and Operation|Page 1681