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Wheel Speed Sensor: Testing and Inspection






OUTPUT VOLTAGE INSPECTION
1. Turn ignition switch to OFF position.
2. Hoist vehicle a little.
3. Disconnect connector of wheel speed sensor.





4. Connect voltmeter between connector terminals.
5. While turning wheel at a speed of approximately 2/3 to 1 full rotation per second, check AC voltage of sensor.
Output AC voltage at 2/3 to one rotation per second (29 - 44 Hz): 150 mV or more
If measured voltage is not as specified, check sensor, rotor and their installation conditions.

Reference





When using oscilloscope for this check, check if peak-to-peak voltage meets specification and waveform is complete.
Peak-to-peak voltage at 2/3 to one rotation per second (29 - 44 Hz): 210 mV or more
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