01-121
ABS/EDL
-K47- Brake
system ASR
-
K86-
1) Reasons why the indicator lamps light up
If an irregularity occurs during the self test after ignition is switched on, and the
warning lamps -K47- and -K86- do not light up for 2 seconds, check the warning lamps;
"Electrical test" page 01
-166
, carry out test steps 8 and 10. The possible causes are
as follows:
Electrical Wiring Diagrams, Troubleshooting & Component Locations
Repair Manual, Electrical Equipment, Repair Group 27, Battery
The battery voltage is insufficient. None of the lamps in the instrument cluster light up.
Check the battery.
X 1)
The ABS/EDL warning light does not light up during the self-test. There is a short to
Ground (GND) in the wiring that controls the ABS/EDL warning light between terminal 21
of the ABS control module -J104- and the instrument cluster. This malfunction does not
affect activation of the ABS warning light. For vehicles equipped with ASR, the traction
control indicator lamp lights up during the self-test; "Electrical test" page 01
-166
, carry
out test step 8.
X
The vehicle is equipped with ASR. The ABS/EDL warning light lights up during the self-
test. The traction control indicator light does not light up during the self-test "Electrical
test" page 01
-166
, carry out test step 10.
1) The traction control indicator light is only available in vehicles equipped with ASR.
Pa
ge 3 of 11 ABS/EDL/ASR Bosch 5.3
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.9