1996 AUDI A4 open

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

01-413

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:

01424 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-, signal wire".
Yaw sensor -G202-,
reference line
Failure in electrical circuit
Open circuit in reference wire of
sender for rotation rate -G202-.
Short circuit to B+ or Ground (GND)
in reference line to yaw sensor -
G202-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check reference line between yaw sensor -G202-
(terminal 4) and ABS control module -J104- (terminal
78).

Note:
The reference line of yaw sensor -G202- carries the reference signal. The reference signal
corresponds to the signal the sensor sends to the ABS control module -J104- when the vehicle
is traveling straight ahead.
Pa
ge 64 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

01-414

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
01425
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-, signal wire".
Yaw sensor -G202-,
reference line
Failure in electrical
circuit
Open circuit in reference wire of
sender for rotation rate -G202-.
Short circuit to B+ or Ground (GND)
in reference line to yaw sensor -
G202-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check reference line between yaw sensor -G202-
(terminal 4) and ABS control module -J104- (terminal
78).

Note:
The reference line of yaw sensor -G202- carries the reference signal. The reference signal
corresponds to the signal the sensor sends to the ABS control module -J104- when the vehicle is
traveling straight ahead.
Pa
ge 65 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

01-416

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.
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

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 67 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

01-417
DTC table; DTCs from 01435 to 01542

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
01435
Sender 1 for brake
booster -G201-
The brake light switch is not adjusted
correctly or is not installed correctly.
Repair Manual, Brake System, Repair Group 45
- Check the installation position of the brake light
switch.
- Check brake light switch -F-, "Read measuring
value block" function 08 page 01
-256
, display
group 2
- Check sensor for brake pressure -G201-, "Read
measuring value block" function 08 page 01
-256
,
display group 5




See continuation on
next page
Open circuit in signal wire of sender
1 for brake booster -G201-.
Short circuit to B+ or Ground (GND)
in signal wire to sender 1 for brake
booster -G201-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check signal line between sensor for brake
pressure -G201- (terminal 2) and ABS control
module -J104- (terminal 68).
Pa
ge 68 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

01-418

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
01435
Sender 1 for brake
booster -G201-

Continuation:
Sensor for brake pressure -G201-
malfunctioning.
Repair Manual, Brake System, Repair Group 45

Repair Manual, Brake System, Repair Group 47 - If none of the causes listed are causing the
malfunction, replace hydraulic pump for traction control
V-156- and sensor for brake pressure -G201-.
- Bleed brake system.





See continuation on
next page
Open circuit in one of the voltage
supply wires to sensor for brake
pressure -G201-.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) between sensor for brake
pressure -G201- (terminal 1) and ABS control module -
J104- (terminal 67).
- Check voltage supply between sensor for brake
pressure -G201- (terminal 3) and ABS control module -
J104- (terminal 69).
Pa
ge 69 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

01-420

Printed output from
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
01435
Continuation:
Sender 1 for brake booster
-G201-
Failure in electrical circuit
Open circuit in signal wire of sender
1 for brake booster -G201-.
Short circuit to B+ or Ground (GND)
in signal wire to sender 1 for brake
booster -G201-. Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check signal line between sensor for brake
pressure -G201- (terminal 2) and ABS control
module -J104- (terminal 68).






See continuation on next
page
Open circuit in one of the voltage
supply wires to sensor for brake
pressure -G201-.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) between sensor for brake
pressure -G201- (terminal 1) and ABS control
module -J104- (terminal 67).
- Check voltage supply between sensor for brake
pressure -G201- (terminal 3) and ABS control
module -J104- (terminal 69).
Pa
ge 71 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