 | Home > Puma (Tdci) > ABS light |
 
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558  
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Just reading somewhere els that someone had an ABS light staying on.
Mine stays on for about 2 min of driving then dissapears. Is this normal or should I get it checked out? James Puma 110 - gone Series III 1973 - going strong |
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9th Dec 2008 7:41pm |
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| DAZ110 Member Since: 06 Dec 2007 Location: East Sussex Posts: 2006  
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Dealer told me it should remain on for about 30 seconds after starting and moving off and then turn itself off.
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9th Dec 2008 8:29pm |
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| Grockle Member Since: 24 Nov 2008 Location: Peak District National Park Posts: 2266 
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As DAZ says about 30 secs after moving off. 2.4 90 XS
1968 1/32 scale Britains 109 Pick up. |
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10th Dec 2008 9:23am |
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558
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I suppose it is about 30s after mooving off as it stands and idles a bit before I get going.
Thanks chaps Puma 110 - gone Series III 1973 - going strong |
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10th Dec 2008 9:34am |
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| DAZ110 Member Since: 06 Dec 2007 Location: East Sussex Posts: 2006
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Yes, I think you need to be moving for the light to turn off.
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10th Dec 2008 11:42am |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897  
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Doesn't the handbook say anything?
My TD5 book says after reaching 5mph. |
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10th Dec 2008 1:02pm |
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| chalky Member Since: 09 May 2008 Location: Yorkshire Posts: 483
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the ABS light should extinguish once it has completed it's own system check and breeched 5 mph.
If u drive at 4 mph all day itshould stay on ! In theory any way ! DEFENDER XS CSW 08 TONGA GREEN |
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10th Dec 2008 8:34pm |
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| Trevor Wright Member Since: 11 May 2008 Location: Essex Posts: 87
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In my experience, the ABS light remains on if you start up and then reverse, but once you move forward, after a few wheel revolutions it goes off. I don't think there is a simple timeout - I guess the electronics are looking for so many clicks from the wheel sensor in forward motion.
I wonder if the ABS works when reversing ? Trevor Wright '08 90 TDCi/TD4 XS SW |
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13th Dec 2008 11:15am |
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| Bundubasher Member Since: 25 Sep 2008 Location: Sandton Posts: 34 
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The ABS light will remain illuminated untill you exceed abbout 20 Km p/h. If you idle it will stay on. As soon as you reach +- 20 km p/h it should switch off.
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13th Dec 2008 9:23pm |
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| Rocket123 Member Since: 07 Jan 2009 Location: Surrey Posts: 9 
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This maybe similar. The ABS warning light on a BMW motorbike does not extinguish until the system has undertaken a self test which requires rotation of the wheels for a few yards. I expect a similar system operates on the Defender.
Also some ABS systems don’t modulate the brakes at less than 5 mph (which may be the case with the Defender?) and therefore it is necessary to exceed or reach this speed for the diagnosis to be run. BMW may run this self test because of a number of fatalities caused by ABS servo failures which reduced the braking capacity of the bike by about 50%, although the latest bikes are now non servo systems. Maybe there is a greater risk of loss of control as a Defender might be parked/stopped in an off road position or with a heavy trailer where ABS might be relied upon, and thus the light is warning to proceed slowly until the test is completed. It’s dissappointing that the manual supplied with the vehicle has next to nothing about the operation of the ABS or Traction Control. Rocket |
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7th Jan 2009 8:31pm |
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