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Home >> Geo >> 1997 >> Tracker Base, 4D Utility, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System - 4-Wheel >> Diagnostic Tests >> DTC C1224: Rear Wheel Speed Sensor (WSS) Input Signal = 0 >> Circuit Description

Circuit Description

As a toothed ring passes the WSS, changes in the electromagnetic field cause the WSS to produce a small AC voltage signal. This voltage signal is proportional to wheel speed.