01-348
Continuation: Voltage measurement; set measurement range on VAG1526: 20 V =
Test
step VAG
1598/20
sockets Test of
Test requirements
- Additional work stepsSpecified
value Corrective
action
24 -
Ground (GND)
supply and voltage
supply for ABS
return flow pump -
V39- - Check wiring from ABS return flow pump relay -
J105- (terminal 87) to ABS control module -J104-
(terminal 20) and to ABS hydraulic unit -N55-
(terminal 14) for open circuit or short circuit to B+
or Ground (GND).
- Fix the
wiring
problem.
See continuation on next page
Pa
ge 58 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16
01-350
Continuation: Voltage measurement; set measurement range on VAG1526: 20 V =
Test
step VAG
1598/20
sockets Test of
Test requirements
- Additional work stepsSpecified value
Corrective action
24 Bridge
7 + 28,
1 + 2
Function of
ABS return
flow pump
relay -J105-.
ABS return flow
pump relay -J105-
installed
- Use VAG1598/20 to
measure voltage
between terminals 20
and 29.
Voltage should be
between 10.5 to
14.5 V between
terminals 20 and
29.
- Switch on ignition for
max. 10 seconds and
switch off again. ABS return flow
pump -V39- runs - If you do not measure any
voltage between terminals 20
and 29, replace the relay.
- If you measure voltage
between terminals 20 and 29,
the ABS return flow pump is
malfunctioning. Replace ABS
hydraulic unit -N55-.
Pa
ge 60 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16
