Front and Rear Wheel Speed Sensor On-Vehicle Inspection: Reference

When using oscilloscope for this check, check if peak-to-peak voltage and waveform meet specification.

Peak-to-peak Voltage at the resistance (115 Ω) with wheel rotation 

High voltage "a": 1360 to 1930 mV 

Low voltage "b": 680 to 960 mV 

Fig 1: Front And Rear Wheel Speed Sensor Waveform Signal Pattern

Courtesy of SUZUKI OF AMERICA CORP.