Charts A9 To A12 Wheel Sensor: Notes
WARNING: This page is about a different car, the 1988 Buick Riviera and 1988 Buick Reatta. However, it is still accessible from the selected car via links, so may be relevant.
Wheel sensors send an AC signal to EBCM, by rotating a toothed ring past 2-pole inductive sensor. EBCM determines calculated wheel speed, using sensor output frequency, to detect wheel lock-up. Resistance of sensor should be 800-1400 ohms.