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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki |
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#1
02-01-2013, 08:23 AM
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Howto test abs pressure sensor?
OK so just a bit of background. I have a 2000 528i with 140k and trifecta abs lights on and off speradically. Replaced faulty right front wheel sensor and still having issues. I have an OBDII tester that I think is giving me a 15 fault code which could be ABS pressure sensor? What is easy way to test sensor? I have multi meter. Do I test sensor or plug going into sensor? If plug in then do I use paper clip to stab into connector? I know Im testing voltage and it should be 0 volts at rest with ignition to on but not running and 0-5v with firm pressure applied to brake. Anything else?
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#2
02-01-2013, 08:31 AM
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My faulty right front sensor shorted and fried my ABS module so replacing the sensor wouldn't help if the same happened to yours.
Try a search of the best links, I know Bluebee has covered this.
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#3
02-01-2013, 10:36 AM
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Quote:
- How to test the BMW E39 Brake Pressure Sensor It's best to add your information there so that we can keep it all together (to help the next person thereafter).
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Note: Your mission, should you decide to accept it, is to add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders. See also: E39 Bestlinks & How to easily find what you need, in seconds! Last edited by bluebee; 02-01-2013 at 10:50 AM.
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#4
02-01-2013, 01:42 PM
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Thanks Bluebee. Sorry for starting a new post but very frustrated with this. today the lights have come on and gone off about 3 times. I notice when lights off it seems abs engages under very minimal wheel slippage?
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#5
02-01-2013, 04:53 PM
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no voltage at abs pressure sensor
I am not getting any voltage reading at abs pressure sensor. When I check voltage from white/blue wire going into pressure sensor connector(stripped bit of insulation away) I don't get any voltage and none when brakes applied either?
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#6
02-01-2013, 04:54 PM
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could I have a bad ground wire since not getting any voltage?
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