System Testing

1. Disconnect electrical connectors from EACV and EBCV with engine running at 2000 RPM.
2. Wait several seconds, then reconnect EBCV electrical connector and ensure engine speed drops immediately approximately 300 RPM.
3. Disconnect and plug vacuum hose from vacuum switch and ensure engine speed returns to 2000 RPM after several seconds.
4. Reconnect vacuum hose and electrical connector.
5. If operation is not as described, check performance of individual components.