toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Specifications|Page 2819 > < Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Specifications
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Vacuum Switching Valve (VSV) for EGR: Testing and Inspection

1. REMOVE VSV.

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Remove the bolt.

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Disconnect the connector and 2 vacuum hoses from the VSV.

2. INSPECT VSV.
A. Inspect VSV for open circuit.

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

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

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If there is no continuity, replace the VSV

B. Inspect VSV for ground.

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

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If there is continuity, replace the VSV

C. Inspect VSV operation.

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Check that air does not flow from ports E to F.

Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Specifications|Page 2819 > < Vacuum Switching Valve (VSV) for EGR <--> [EGR Control Solenoid]|Specifications