toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Positive Crankcase Ventilation > < Vacuum Control Valve <--> [Vacuum Check Valve, EGR]|Testing and Inspection
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1. Check that air does not flow from ports E to F.

2. Apply battery positive voltage across the terminals.
3. Check that air flows from ports E to F.

If operation is not as specified, replace the VSV.

3. REINSTALL VSV

Positive Crankcase Ventilation > < Vacuum Control Valve <--> [Vacuum Check Valve, EGR]|Testing and Inspection