ABS off '93 100CS Quattro
Tim Leonard
nard1 at voyager.net
Wed Dec 20 17:43:14 EST 2000
The only items under the rear seat that pertain to this are the ABS control
unit, the acceleration switch for ABS, and the control unit for the diff
lock. So no luck yet. I need to find this relay, J156 ABS combi relay, as it
has the power feed that I am not getting to the hydro unit under the hood.
The Bentley shows the location and it is wrong. The one it says it is, is
for the fog lights. I'm stumped.
Tim Leonard
-----Original Message-----
From: Todd Young <tyoung at wamnet.com>
To: Tim Leonard <nard1 at voyager.net>
Cc: Quattro List <quattro at audifans.com>
Date: Wednesday, December 20, 2000 8:02 AM
Subject: Re: ABS off '93 100CS Quattro
>Not sure about the 100 series, but on the 90 there is an ABS relay with
>a fuse underneath the rear seat, maybe that fuse popped.
>
>> Tim Leonard wrote:
>>
>> Since a dead battery and a jump start the ABS doesn't work and the
>> warning light is on.
>> This should be simple if the Bentley had anything on this system. I
>> have checked the Bentley and there isn't much on this version of ABS
>> as far as troubleshooting. I did notice in the later models with OBD
>> it stated that a dead battery would create a fault in memory but the
>> '93 ABS is not OBDable. I have checked, and found them ok, all
>> applicable fuses. I tested the 2 relays at the ABS hydro unit. They
>> seem to be fine except I can't figure how term L1, which causes the
>> warning light, is supposed to lose ground. Should this relay connect
>> when the ignition is on and therefore shut the light off? Or do these
>> relays only work when ABS is needed? So I need to find out why this
>> relay is not powering up? Also checked the #4 combi relay and it seems
>> ok and does power through when the key is switched on. The CD player
>> also quit working but I did win on this one. Help is very appreciated.
>> Best regards,
>> Tim Leonard
>
>--
>------------------------------------------------------
>Life's a beach. Dig your toes into the sand and enjoy.
>------------------------------------------------------
>Todd Young WAM!NET Inc.
>tyoung at wamnet.com 655 Lone Oak Drive, Bldg #A
>651-256-5051 Eagan, MN 55121
>800-585-1133 ext.5051 http://www.wamnet.com/
>'93 Audi 90S (|___\====OOOO====/___|)
>
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