light AUDI A4 2000 B5 / 1.G Brakes Read Mesure Value Block 08 Workshop Manual

01-144
Test table: display group 2 Read measuring value block
2
Indicated on display
0 or 1
0 or 1

0 or 1
---


ABS solenoid valve relay:

0 not permitted during "Read measuring value block", the relay was not activated during "ignition
on".
- Electrical test, steps 1 and 2, check voltage supply page 01
-166
. If no malfunction can be found
here, replace hydraulic control unit.
1 specified value, relay was activated by ABS control module -J104- during ignition on.

Voltage at motor for ABS return flow pump:
0 specified value, there is no voltage at the motor for the ABS return flow pump.1 not permitted during "Read measuring value block", there is voltage at the motor for the ABS return flow
pump. Replace hydraulic control unit.
Brake light switch:

0 Brake pedal not operated 1 Brake pedal operated

- Check brake light switch if there are deviations. Carry out "Electrical test",
step 3 page 01
-166
.
Pa
ge 7 of 13 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.12