relay AUDI A4 1999 B5 / 1.G Brakes ESP DTC Table Workshop Manual

01-367

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00301
ABS return flow pump -
V39 -
Open circuit or resistance too high in Ground (GND) supply
from ABS return flow pump relay - J105 - (terminal 85) to
ABS control module -J104- (terminal 7). - "Read measuring value
block", display group 6
page 01
-256

- Carry out "Electrical test",
step 12 page 01
-318
.



See continuation on
next page
Open circuit or resistance too high in voltage supply from
ABS return flow pump relay - J105 - (terminal 86) to ABS
control module -J104- (terminal 2).
Pa
ge 13 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-368

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00301
ABS return flow pump -V39 -

Short circuit to B+ or Ground (GND) in one of the
activation wires.
Continuation:



See continuation on next
page Voltage supply for ABS return flow pump relay -
J105-, terminal 30. ABS return flow pump relay -J105- or ABS
hydraulic unit -N55- malfunctioning. - Carry out "Electrical test", step
23 page 01
-323
.
- Carry out "Electrical test", step
24 page 01
-323
.
Pa
ge 14 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-369

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00301
Continuation:
ABS return flow pump -
V39 -
Implausible signal
Open circuit or short circuit to Ground (GND) from ABS
return flow pump relay -J105- (terminal 87) to the ABS
control module -J104- (terminal 20) and the ABS hydraulic
unit -N55- (terminal 14).
Open circuit or short circuit to B+ in the Ground (GND)
supply of the ABS return flow pump. Electrical Wiring Diagrams,
Troubleshooting & Component
Locations - Carry out "Electrical test",
step 24 page 01
-323
.
- Fix the wiring problem.
Pa
ge 15 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-370

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00302
ABS solenoid valve relay
-J106-
Open circuit or resistance too high between Ground (GND)
of ABS solenoid valve relay - J106 - (terminal 85) and ABS
control module -J104- (terminal 37). - "Read measuring value
block", display group 6
page 01
-256

- Carry out "Electrical test",
step 11 page 01
-318
.


Open circuit or resistance too high between voltage supply of
ABS solenoid valve relay - J106 - (terminal 86) and ABS
control module -J104- (terminal 2).

Short circuit to B+ or Ground (GND) in one of the activation
wires.
See continuation on
next page Incorrect control module- Check control module
version page 01
-231
.
Pa
ge 16 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-371

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00302
ABS solenoid valve relay -J106-

Voltage supply too low for ABS solenoid valve
relay -J106- (terminal 30).
- Carry out "Electrical test", step
22 page 01
-323
.
Continuation:

ABS solenoid valve relay -J106- or ABS
hydraulic unit -N55- malfunctioning.
Pa
ge 17 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17