BAC Check
WARNING: This page is about a different car, the 1989 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
- Connect a jumper wire to ground at single-pin Green connector near battery. Install tachometer. Operate engine to normal operating temperature. Allow engine to idle.
- Disconnect BAC valve connector. See Fig 1 . Note engine RPM. Engine speed should decrease with connector removed. Reinstall connector.