EGR Control Solenoid: Testing and Inspection

1. With ignition switch OFF, disconnect coupler from SV valve.





2. Check resistance between two terminals of SV valve.

Resistance of EGR SV valve:
30 - 38 ohms at 20°C (68°F)

If resistance is as specified, proceed to next operation check. If not, replace.
3. Disconnect vacuum hoses from pipes.





4. Blow into hose "A". Air should come out of hose "B" and not out of filter.





5. Connect 12V-battery to SV valve terminals. In this state, blow hose "A".
Air should come out of filter and not out of hose "B".
If check result is not as described above, replace SV valve.
6. Connect SV valve coupler securely.
7. Connect vacuum hoses securely.





CAUTION:
Refer to image above for correct connection of vacuum hoses. Incorrect connection will cause engine malfunction.