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  #1  
Old June 16th, 2014, 08:12 AM
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Julien Dalbin
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ABS gurus

This is on a 04 D2 but I prefer less information than to deal with discoweb.
I have a permanent ABS fault, warning "amigos" lamps on. My ABS Amigo
diagnostic is telling me:
044:Front Right sensor output low
Front Right Sensor Bad Output
I checked with a DMA the Ohms resistance of each sensor and
get the following readings:
FR 1109
FL 1089
RR1088
RL 1089
According to RAVE the values should be between 950 and 1100.

Obviously FR is off the parameters, by very little, but off.
Is there another test I can run so I can confirm the sensor
is good for replacement ?
Is this a common fault ? causes ? thoughts ?

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  #2  
Old June 16th, 2014, 08:40 AM
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Doug Crowther
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isn't the three amigo's fault usually traceable to the a broken solder joint in the abs modulator
that makes it throw wacky codes ? My amigos are on but the abs still seems to work fine.
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  #3  
Old June 16th, 2014, 09:14 AM
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Julien Dalbin
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I'm not going to rule anything out, but my shuttle valve stuff is practically new.
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Old June 16th, 2014, 09:42 AM
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Quote:
Originally Posted by Uncle Douglas View Post
isn't the three amigo's fault usually traceable to the a broken solder joint in the abs modulator
that makes it throw wacky codes ? My amigos are on but the abs still seems to work fine.
It's usually a very specific wacky code (sometimes a couple) it throws for the solder joint.

This problem sounds like a speed sensor or a hub. If it still has the connectors in the wheel well or engine compartment, I'd check them for corrosion. The new sensors run all the was back to the computer, so if it has that in the offending location, the corrosion shouldn't be a problem.
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Old June 16th, 2014, 09:57 AM
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Cut out the connector on top of the wheel well and solder the wires to eliminate that faulty connection. If that doesn't fix it you need a hub. New ABS sensors come without that connector and you have to connect it to the SLABS ecu. I've fixed a bunch by hardwiring that connector.
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Old June 16th, 2014, 09:59 AM
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when it's the modulator the code is usually 016:Shuttle Valve Switch Long Term Failure. I've repaired modulators 3 times successfully with the Falconworks seal kit. http://www.jewellamberoil.com/sales/...2fm7r3rgcjeqh5

I also have an ABS Amigo reader.

If you are getting a specific code for the sensor I would be looking there, not the modulator.

Here are all the codes:
http://www.rswsolutions.com/index.ph...y-ii-abs-codes
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Old June 16th, 2014, 03:12 PM
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Julien Dalbin
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My next move is to check ohm resistance but at the slab connectors, and
compare readings with the ones I took halfway of the wiring, at the wing
connector. If they match I guess my connectors are good.
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Old June 16th, 2014, 03:54 PM
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Quote:
Originally Posted by JFD View Post
My next move is to check ohm resistance but at the slab connectors, and
compare readings with the ones I took halfway of the wiring, at the wing
connector. If they match I guess my connectors are good.
Will the fault clear? If so, it is an intermittent fault.
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Old June 16th, 2014, 06:43 PM
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Also, the connections for the ABS sensors are the same style as inside of the modulator for the shuttle valve switches. If you want to fix it "correctly" this is the part you will need. You can accomplish the same thing by eliminating the connector in the wheel well. If you do choose the expensive route, be prepared to struggle with removing the pins from the connector on the SLABS ecu.
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Old June 16th, 2014, 08:28 PM
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Julien Dalbin
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Quote:
Originally Posted by Jymmiejamz View Post
Will the fault clear? If so, it is an intermittent fault.
Haven't done it yet, but the fault is permanent. I clear it with ABS Amigo and it will come back right away.
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