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Re: ABS wheel speed sensor diagnostics
Posted to Technical Tips Forum on 8/5/2016 1 Reply

I believe the directional sensors only use 1 channel, they just have a different waveform for each direction. Here is a pic, I believe it is turning forwards for 2 segments, then turning backwards.

[2007 Toyota Tacoma, ABS Wheel Speed Sensors Waveform] Login to read more.

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