lock AUDI A4 1998 B5 / 1.G Brakes ESP Electrical Testing Workshop Manual

01-324
Continuation: Function test
Test
step VAG
1598/20
sockets Test of
Test
requirements
- Additional work
steps Specified value
Corrective action
13
1)
Bridge
1 + 2,
28+37
2)
28+36 3) Inlet valve -N101 and
front left brake line
connection
- If all wheels are blocked, inlet
valve is malfunctioning DTC
table, DTC 00257.

- Remove bridge
The left-front
wheel remains
locked.

- Release brake
pedal.
Outlets on ABS control module -J104- differ depending on installed equipment
1) This test step requires two technicians. 2) Vehicles with control module 4B0 907 389
Pa
ge 27 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16

01-326
Continuation: Function test
Test
step VAG
1598/20
sockets Test of
Test
requirements
- Additional work
steps Specified value
Corrective action
14
1)
Bridge
1 + 2,
28+37
2)
28+36 3) Inlet valve -N99- and
front right brake line
connection
- If all wheels are blocked, inlet
valve is malfunctioning DTC
table, DTC 00259.

- Remove bridge
The right-front
wheel remains
locked.

- Release brake
pedal.
Outlets on ABS control module -J104- differ depending on installed equipment
1) This test step requires two technicians. 2) Vehicles with control module 4B0 907 389
Pa
ge 31 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16

01-328
Continuation: Function test
Test
step VAG
1598/20
sockets Test of
Test
requirements
- Additional work
steps Specified value
Corrective action
15
1)
Bridge
1 + 2,
28+37
2)
28+36 3) Inlet valve -N134- and
rear left brake line
connection
- If all wheels are blocked, inlet
valve is malfunctioning DTC
table, DTC 00274.

- Remove bridge
The left-rear
wheel remains
locked.

- Release brake
pedal.
Outlets on ABS control module -J104- differ depending on installed equipment
1) This test step requires two technicians. 2) Vehicles with control module 4B0 907 389
Pa
ge 35 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16

01-330
Continuation: Function test
Test
step VAG
1598/20
sockets Test of
Test
requirements
- Additional work
steps Specified value
Corrective action
16
1)
Bridge
1 + 2,
28+37
2)
28+36 3) Inlet valve -N133- and
rear right brake line
connection
- If all wheels are blocked, inlet
valve is malfunctioning DTC
table, DTC 00273.

- Remove bridge
The right-rear
wheel remains
locked.

- Release brake
pedal.
Outlets on ABS control module -J104- differ depending on installed equipment
1) This test step requires two technicians. 2) Vehicles with control module 4B0 907 389
Pa
ge 39 of 65 Electronic Stabilization Pro
gram
(ESP
), electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.16