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Home >> Buick >> 1988 >> Riviera Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Functional Check >> Charts F Through F4 Wheel Sensor Output >> Wheel Speed Sensor Output
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Wheel Speed Sensor Output

Low wheel speed sensor output is normally caused by improper gap or mounting. If wheel sensor output drops lower than 50 mV AC, ABS can no longer function properly.