toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

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Leak Detection Solenoid: Testing and Inspection

INSPECTION 

1. REMOVE VSV ASSEMBLY

Disconnect the connector and 2 vacuum hoses and remove the 2 bolts and VSV assembly.

2. INSPECT VSV FOR OPEN CIRCUIT

Using an ohmmeter, check that there is continuity between the terminals.

Resistance:
33 - 39 ohms at 20°C (68°F)
 

If there is no continuity, replace the VSV.

3. INSPECT VSV FOR GROUND

Using an ohmmeter, check that there is no continuity between each terminal and the body.
If there is continuity, replace the VSV.

4. INSPECT VSV OPERATION

(a) Check that air flows from port E to port G.

(b) Apply battery positive voltage across the terminals.

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