1999 AUDI A4 brake sensor

01-405

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 4B0 907 389
01423
Sensor for transverse
acceleration -G200-
Implausible signal

Continuation:
Second:
The zero position of steering angle sensor -G85- is within the specified range, and the zero
position of sensor for transverse acceleration -G200- is not within the specified range:


Open circuit in signal line to sensor for
transverse acceleration -G200-.
Short circuit to B+ or Ground (GND) in
signal line to sensor for transverse
acceleration -G200-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check signal line between sensor for transverse
acceleration -G200 (terminal 2) and ABS control
module -J104- (terminal 18).


See continuation on
next page Note: Only replace the control module as a
last resort.
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 53 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

01-406

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 4B0 907 389
01423
Sensor for transverse
acceleration -G200-
Implausible signal

Continuation:
(Second)
There is an open circuit in one of the
supply wires for the sensor for
transverse acceleration -G200-.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) between sensor for
transverse acceleration -G200 (terminal 1) and
ABS control module -J104- (terminal 19).
- Check voltage supply between sensor for
transverse acceleration -G200 (terminal 3) and -
J104- ABS control module (terminal 75).






See continuation on
Sensor for transverse acceleration -
G200- malfunctioning. If none of the causes fit:
Repair Manual, Brake System, Repair Group 45

- Erase DTC memory page 01
-15
- End Output page 01
-16
.
- Road test vehicle page 01
-250
- If malfunction occurs again, replace sensor for
transverse acceleration -G200-.
Pa
ge 54 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

01-407

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 8D0 907 389, 8D0 907 389A, 8D0 907 389D
and 8D0 907 389E.
01423
Sensor for transverse
acceleration -G200-
Implausible signal

Continuation:
Second:
The zero position of steering angle sensor -G85- is within the specified range, and the zero position
of sensor for transverse acceleration -G200- is not within the specified range:


There is an open circuit in one of the signal
wires for the combined sensor for rotation
rate and transverse acceleration.
There is short circuit to B+ or Ground (GND)
in one of the signal wires for the combined
sensor for rotation rate and transverse
acceleration. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check the signal wire for the combined sensor
for rotation rate and transverse acceleration,
terminal 4, to the ABS control module -J104-
(terminal 18).


See continuation on Note: Only replace the control module as a last
resort.
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 56 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

01-408

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 8D0 907 389, 8D0 907 389A, 8D0 907 389D
and 8D0 907 389E.
01423
Sensor for transverse
acceleration -G200-
Implausible signal

Continuation:
(Second)
There is an open circuit in one of the
supply wires for the sensor for
transverse acceleration -G200-.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) between sensor for
transverse acceleration -G200 (terminal 1) and
ABS control module -J104- (terminal 69).
- Check voltage supply between sensor for
transverse acceleration -G200 (terminal 3) and -
J104- ABS control module (terminal 67).






Sensor for transverse acceleration -
G200- malfunctioning. If none of the causes fit:
Repair Manual, Brake System, Repair Group 45

- Erase DTC memory page 01
-15
- End Output page 01
-16
.
- Road test vehicle page 01
-250
- If malfunction occurs again, replace sensor for
transverse acceleration -G200-.
Pa
ge 58 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

01-410

Printed output from
VAG1551 Scan Tool (ST) Possible cause
Corrective action
DTC
01423
Sensor for transverse
acceleration -G200-
Implausible signal

Continuation:
Fourth:
The zero position of steering angle sensor -G85- is within the specified range, and the zero
position of sensor for transverse acceleration -G200- is within the specified range:


Sensor for transverse acceleration -
G200- malfunctioning.
Repair Manual, Brake System, Repair Group
45
- Erase DTC memory page 01
-15
- End Output page 01
-16
.
- Road test vehicle page 01
-250
- If malfunction occurs again, replace sensor for
transverse acceleration -G200-.

Note: Only replace the control module as
a last resort.
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 61 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

01-411

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 4B0 907 389
01424 For control modules 4B0 907 389, the VAG1551 scan tool with test card 7 and the VAG1552
scan tool with test card 4 display the following incorrect text: "Sender for rotation rate -G202-,
reference wire".
Sender for rotation rate -
G202-, signal wire
Failure in electrical circuit

Open circuit in signal wire of sender for
rotation rate -G202-.
Short circuit to B+ or Ground (GND) in
signal wire to sender for rotation rate -
G202-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check signal line between yaw sensor -G202-
(terminal 3) and ABS control module -J104-
(terminal 79).


See continuation on
next page
Sender for rotation rate -G202-
malfunctioning.
Repair Manual, Brake System, Repair Group
45
- If none of the causes listed are causing the
malfunction, replace yaw sensor -G202-.
Pa
ge 62 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

01-412

Printed output from
VAG1551 Scan Tool (ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 4B0 907 389
01424 For control modules 4B0 907 389, the VAG1551 scan tool with test card 7 and the VAG1552
scan tool with test card 4 display the following incorrect text: "Sender for rotation rate -G202-,
reference wire".
Sender for rotation rate -
G202-, signal wire
Failure in electrical circuit

Continuation:
Open circuit in supply line to
yaw sensor -G202-.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) between yaw sensor -G202-
(terminal 1) and ABS control module -J104- (terminal 80).
- Check voltage supply between yaw sensor -G202-
(terminal 2) and ABS control module -J104- (terminal 34).

Note: Only replace the control
module as a last resort.
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 63 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

01-415

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC WARNING!
This is only valid for control modules with no.: 8D0 907 389, 8D0 907 389A, 8D0 907 389D
and 8D0 907 389E.
Continuation:

01425 For control modules 8D0 907 389/A/D/E, the VAG1551 scan tool with test card 8 and the VAG1552
scan tool with test card 5 display the following incorrect text: "Sender for rotation rate -G202-,
reference wire".
Sender for rotation rate
-G202-, signal wire
Failure in electrical
circuit
There is an open circuit in one of the signal
wires for the combined sensor for rotation
rate and transverse acceleration.
There is short circuit to B+ or Ground (GND)
in one of the signal wires for the combined
sensor for rotation rate and transverse
acceleration. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check the signal wire for the combined sensor
for rotation rate and transverse acceleration,
terminal 6, to the ABS control module -J104-
(terminal 79).


See continuation on
next page
Sender for rotation rate -G202-
malfunctioning.
Repair Manual, Brake System, Repair Group
45
- If none of the causes listed are causing the
malfunction, replace yaw sensor -G202-.
Pa
ge 66 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