EGR Control Solenoid: Testing and Inspection

VACUUM SWITCHING VALVE (VSV) FOR EGR TESTING AND INSPECTION

VSV INSPECTION
1. Remove VSV.
2. Inspect VSV.
A. Inspect VSV for open circuit

Ohmmeter Connection:

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

Resistance: At 20°C (68°F) 38.5 - 44.5 Ohms

- If there is no continuity, replace the VSV.
B. Inspect VSV for ground

Ohmmeter Connection:

- 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

No Air Flow:

- Check that air does not flow from port E to F.

Battery Connection:

- Apply battery positive voltage across the terminals.
- Check that air flows from port E to F.
- If operation is not as specified, replace the VSV.
3. Reinstall VSV.