Testing wheel speed sensor...how to ?
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Mountain Pass
Joined: Apr 2007
Posts: 184
Likes: 8
From: Ontario
Testing wheel speed sensor...how to ?
I have a digital volt meter which also reads ohms but I have no idea how to test the speed sensor. How to, where to connect and stuff. I need some guidance on this one. 99 F150 4x4 Thanks.
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Mountain Pass
Joined: Apr 2007
Posts: 184
Likes: 8
From: Ontario
Ok, I figured out how to test them.
The 2 front sensors are giving me 400 ohms each and it goes up a little as I spin the wheel.
The rear sensor reads about 1800 ohms and also goes up when I spin the wheel.
Is that about right ? Does this mean the sensors are good ?
99 F150
The 2 front sensors are giving me 400 ohms each and it goes up a little as I spin the wheel.
The rear sensor reads about 1800 ohms and also goes up when I spin the wheel.
Is that about right ? Does this mean the sensors are good ?
99 F150
Lead Driver
Joined: Sep 2006
Posts: 7,907
Likes: 143
You may need to use your low AC scale because they are magnetic field change sensing and produce a voltage output the module uses when the wheel is rotating.
Resistance is for general static measure to check for shorts and opens in the sensor and it's connecting cable.
Resistance is for general static measure to check for shorts and opens in the sensor and it's connecting cable.
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