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EGR Control Solenoid: Testing and Inspection







VACUUM SWITCHING VALVE N0.1
a. Inspect VSV for open circuit.
1. Using an ohmmeter, check that there is continuity between the terminals.

Resistance: 27 - 33 Ohm at 20 °C (68 °F)

If there is no continuity, replace the VSV.







b. Inspect VSV for ground.
1. Using an ohmmeter, check that there is no continuity between each terminal and the body.

If there is continuity, replace the VSV.







c. Inspect VSV operation.
1. Check that air flows from port E to port G.







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

If operation is not as specified, replace the VSV.