AUDI A4 2000 B5 / 1.G Brakes ESP DTC Table User Guide

01-365

Printed output
from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00287
Right rear ABS
wheel speed sensor
-G44-
Implausible signal



or:
Left rear ABS wheel speed sensor -
G44- installed incorrectly.
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
ABS wheel speed sensor -G44-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Brake System, Repair Group 45
Repair Manual, Suspension, Wheels, Steering,
Repair Group 42
- Check installation of ABS wheel speed sensor.
- Check rotor, clean or replace- Replace wheel bearing- "Read measuring value block", display group 1
page 01
-256
.
- Carry out "Electrical test", step 10 page 01
-318
Right rear ABS
wheel speed sensor
-G44-
Open circuit/short
circuit to B+
Open circuit or short circuit to B+ in
wiring between ABS wheel speed
sensor -G44- and ABS control module -
J104-. - If nothing is displayed during "Read measuring value
block", and no malfunction could be determined in the
wiring or the ABS wheel speed sensor, replace the
ABS control module -J104-.
Pa
ge 11 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-366

Printed output
from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00290
Left rear ABS wheel
speed sensor -G46-
Implausible signal



or:
Left rear ABS wheel speed sensor -
G46- installed incorrectly.
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
ABS wheel speed sensor -G46-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Brake System, Repair Group 45
Repair Manual, Suspension, Wheels, Steering,
Repair Group 42
- Check installation of ABS wheel speed sensor.
- Check rotor, clean or replace- Replace wheel bearing- "Read measuring value block", display group 1
page 01
-256
.
- Carry out "Electrical test", step 9 page 01
-318
Left rear ABS wheel
speed sensor -G46-
Open circuit/short
circuit to B+
Open circuit or short circuit to B+ in
wiring between ABS wheel speed
sensor -G46- and ABS control module -
J104-. - If nothing is displayed during "Read measuring value
block", and no malfunction could be determined in the
wiring or the ABS wheel speed sensor, replace the
ABS control module -J104-.
Pa
ge 12 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

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
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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
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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
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(ESP
) DTC table
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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
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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
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-372

Printed output from
VAG1551 Scan Tool (ST) Possible cause
Corrective action
DTC
00526
Brake light switch -F-
Open circuit
Left brake light -M9- or right brake light -
M10- malfunctioning. Open circuit in wiring between brake lights
and the ABS control module -J104-. Electrical Wiring Diagrams,
Troubleshooting & Component Locations - Check the wiring. Carry out "Electrical
test", step 26 page 01
-323
.
- Replace bulbs.


See continuation on next
page
ABS control module -J104- malfunctioning
Repair Manual, Brake System, Repair
Group 45
- If the malfunction cannot be fixed,
replace the ABS control module -J104-.
Pa
ge 18 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-373

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action



DTC
00526
Continuation:
Brake light switch -F-
Implausible signal
The brake light switch is not adjusted
correctly.
Note: The brake light switch must be
adjusted exactly. - Check brake light switch, "Read measuring
value block", display group 2 page 01
-256



Open circuit/short circuit to B+ or Ground
(GND) in wiring between brake light switch -
F- and the ABS control module -J104-. - Check wiring between brake light switch -F-
and the ABS control module -J104-. Carry out
"Electrical test", step 26 page 01
-323
.

See continuation on
next page
Brake light switch malfunctioning.
Repair Manual, Brake System, Repair
Group 46
- If the malfunction cannot be fixed. replace
the brake light switch.
Pa
ge 19 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17

01-374

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00526
Brake light switch -F-
Implausible signal

Continuation:
ABS control module -J104-
malfunctioning
Repair Manual, Brake System, Repair Group 45

- If the malfunction cannot be fixed, replace the
ABS control module -J104-.

Master brake cylinder
malfunctioning.
Repair Manual, Suspension, Wheels, Steering,
Repair Group 47
- Check the master brake cylinder, and replace if
necessary.

Brake booster malfunctioning
Repair Manual, Suspension, Wheels, Steering,
Repair Group 47
- Check the brake booster, and replace if
necessary.
Pa
ge 20 of 96 Electronic Stabilization Pro
gram
(ESP
) DTC table
11/20/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.17