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billy_bottle
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PostPosted: Tue Jun 09, 2015 11:42 am Reply with quote Back to top

Hi everyone. I have an occurring ABS light, on my 1999 1.8 B4 cabby, I know there is a wheel bearing on its last legs, but I've had the wheels off and can't pick up where it is...I'm pretty sure its a front one. I always get the light on at the same point in the same journey, if it is going to come on. I have had VCDS lite on the car and it come up with '00597 wheel speed pulses, deviation 35-10'. This tallies with the bearing as this is a possible cause. However! Can the lite version tell me WHICH wheel sensor is at fault- the full version is quite pricey and needs a dedicated lead with built in dongle AFAIK. The lite version may be able to do it but I don't know how, or for sure. Anyone help me pout please? Thanx in advance.. Dave


BTW RossTech has this to say-

00597 - Wheel Speed Impulses; Deviation

00597 Wheel Speed Impulses; Deviation
Possible Symptoms
Malfunction Indicator Lamp (MIL) active
Possible Causes
Wheel or Tire Sizes not the same on all four Wheels
Wheel Speed Sensor Rotor dirty or damaged/faulty
Wheel Speed Sensor(s) installed incorrectly
Excessive Wheel Bearing play
Possible Solutions
Check Wheel and Tire Sizes
Check Wheel Speed Sensor Rotors
Check Wheel Speed Sensor Installation
Check Wheel Bearings
 
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Mikes2
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PostPosted: Tue Jun 09, 2015 2:48 pm Reply with quote Back to top

Think the clue is in the last line - wheel bearings.

Get that fixed

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billy_bottle
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PostPosted: Tue Jun 09, 2015 2:52 pm Reply with quote Back to top

Mikes2 wrote:
Think the clue is in the last line - wheel bearings.

Get that fixed


Yes, but if the software can flag up which sensor it is, then I can go straight there, I have already had a look with the wheels off, but can find no slop in the bearings at all .
 
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Mikes2
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PostPosted: Tue Jun 09, 2015 5:38 pm Reply with quote Back to top

but that error is a generic code which doesn't pinpoint any sensor. it's just a code to tell you that the ABS system has a problem

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billy_bottle
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PostPosted: Tue Jun 09, 2015 6:39 pm Reply with quote Back to top

Ah,, I was afraid of that. Never mind, had to ask,,,thanx for helping, 'tis appreciated.
 
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Mikes2
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PostPosted: Thu Jun 11, 2015 12:47 pm Reply with quote Back to top

there is a way to tell which sensor is faulty (if any of them are) although it's not perfect.

disconnect the sensors - one at a time. connect a multimeter across the 2 pins

jack up the corner and spin the wheel. measure the voltage generated in millivolts

the faulty sensor will give a different reading from the others

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