Fast Idle Cam
WARNING: This page is about a different car, the 1995 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
With engine at 77°F (25°C), fast idle cam pin should be aligned with center of fast idle cam. See Figure . Warm engine to normal operating temperature. Wax rod should extend and pin should separate from roller. Turn adjustment screw as necessary.