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

01-356
Electronic Stabilization Program (ESP) DTC table Notes:

Fulfill test requirements page 01
-22
.
Connect the VAG1551 Scan Tool (ST) and select "Brake Electronics" via address word 03 page 01
-4
Check the control module version page 01
-231
and press the button.
Press buttons -0- and -2- to select "Check DTC Memory" function 02. Press -Q- button to confirm input.
Each malfunction is assigned a 5-digit Diagnostic Trouble Code (DTC). The DTC is located in the left column of the DTC
table. If you have switched the printer on by pressing the "PRINT" button, the VAG1551 scan tool (ST) prints the message
identifying the malfunction and the DTC. Otherwise, DTCs are not displayed by the VAG1551 scan tool.
The contents of DTC memory remain stored until memory is erased, page 01
-15
.
Sporadically occurring malfunctions are identified via indication of "/SP" on the right-hand side of the display.
Static malfunctions that cannot be detected when the vehicle is stationary are also identified with "/SP" if the ignition has
been switched off and then on again.
The following DTC table includes all the DTCs that can be stored by the ABS control module -J104- and displayed and
printed out by the VAS5051 tester or VAG1551 scan tool. Malfunctions are listed by DTC number.
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01-357
DTC table; DTCs from 00000 to 00526

Printed output from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00000
No malfunction recognized!
If this display appears, process is
concluded. No DTCs are stored in
DTC memory.
If there are still problems or
malfunctions anyway, check the
following points:
If one or more indicator lamps light up anyway,
one of the wires that activates the indicator
lamps may be malfunctioning. Missing signal from parking brake warning light
switch -F9-. (parking brake set or released). - See section "Overview of
indicator lamp functions"
page 01
-222
.
Check the parking brake
warning light switch -F9-.
- "Read measuring value block"
function 08 page 01
-256
,
display group 2.

See continuation on next page

Missing signal from brake light switch -F.
Check the brake light switch
-F.
- "Read measuring value block"
function 08 page 01
-256
,
display group 2.
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01-358

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00000
No malfunction
recognized!

Continuation:
The zero position learned by the steering angle
sensor -G85- during straight-ahead driving in the
zeroing procedure has become misadjusted.
Check the zero position of the
steering angle sensor -G85-.
- "Read measuring value block" function
08 page 01
-256
, display group 2, 5
If no malfunction can be found, and there is still a
problem, there may be a mechanical malfunction (e.g.
solenoid valve sticking). - Expand troubleshooting to include the
"Electrical test" page 01
-301
.
00257
Left front ABS inlet valve
-N101-
Open circuit, short circuit to B+ or Ground (GND)
in wiring between ABS hydraulic unit -N55- and
ABS control module -J104-.
Left front ABS inlet valve -N101- malfunctioning
ABS control module -J104- malfunctioning- Carry out "electrical test", steps 1 + 13
page 01
-318
, and page 01
-323

- If the electrical test does not reveal any
malfunctions, check all wiring and
connectors for loose contacts.
- If no problems are found after
implementing the specified steps,
replace the control module.
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01-363

Printed output
from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00283
Left front ABS wheel
speed sensor -G47-
Implausible signal








Left rear ABS wheel speed sensor -
G47- installed incorrectly.
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
ABS wheel speed sensor -G47-
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 40
- 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 7 page 01
-318
.
00283
Left front ABS wheel
speed sensor -G47-
Incorrect control module
Open circuit or short circuit to B+ in - Check control module identification page 01
-231
.
- If nothing is displayed during "Read measuring value
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01-364

Printed output
from VAG1551
Scan Tool (ST) Possible cause
Corrective action
DTC
00285
Right front ABS
wheel speed sensor
-G45-
Implausible signal




or:
Left rear ABS wheel speed sensor -
G45- installed incorrectly.
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
ABS wheel speed sensor -G45-
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 40
- 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 8 page 01
-318
Right front ABS
wheel speed sensor
-G45-
Open circuit/short
circuit to B+
Incorrect control module
Open circuit or short circuit to B+ in
wiring between ABS wheel speed
sensor -G45- and ABS control module -
J104-. - Check control module version page 01
-231
.
- 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
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(ESP
) DTC table
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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
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(ESP
) DTC table
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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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yp
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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
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) DTC table
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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
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) DTC table
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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
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gram
(ESP
) DTC table
11/20/2002 htt
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yp
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pair&id=AUDI.B5.SU02.01.17