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Passenger front abs sensor 850

posted by  vitor on  Mon Jan 23 04:28 CST 2006
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last visit: Sat Dec 8 05:01 CST 2007
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What is the year of your 850?
Did the ABS light turned ON right after the LCA was replaced?
If so.
Take a DVOM and check the resistance of the wheel speed sensor (with the wires disconnected). The resistance should be 1,140 ohms.
If this checks OK, turn the DVOM to read AC voltage, connect to the sensor terminals and rotate the axle, the sensor should generate an AC sinewave voltage that shuld be 2-5 volts (not 100% sure). Just make sure it generates a signal.
Lastly, with the sensor connected and the ABS unit disconnected. Read the resistance on the ABS connector (not the ABS unit) between terminals #3 and #18. The resistance should be 1,140 ohms.

And for the copy-cats, I know you don't have a Volvo to test your ABS units.
So now you know a little more about how to test Volvo ABS systems.






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New Passenger front abs sensor [850]
posted by  someone claiming to be douglasjreno  on Mon Jan 23 01:01 CST 2006 >


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