display AUDI A4 1996 B5 / 1.G Brakes Read Mesure Value Block User Guide

01-103

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00283
Left front ABS wheel
speed sensor -G47-
or:
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
Left rear ABS wheel speed sensor -G47-
installed incorrectly.
ABS wheel speed sensor -G47-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Suspension, Wheels, Steering,
Repair Group 40

Repair Manual, Brake System, Repair Group 45
- Check rotor, clean or replace
- Replace wheel bearing- Check installation of ABS wheel speed sensor.- "Read measuring value block" display group 1
page 01
-63
.
- Carry out "Electrical test", step 7 page 01
-68
.
- If neither the "Read measuring value block"
function nor the "electrical test" reveal any
malfunctions, check all wiring and harness
connectors for loose contacts.
Left front ABS wheel
speed sensor -G47-
Incorrect control module version.- Check control module version page 01
-52
.
Pa
ge 58 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-104

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00285
Right front ABS
wheel speed sensor -
G45-
or:
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
Left rear ABS wheel speed sensor -G45-
installed incorrectly.
ABS wheel speed sensor -G45-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Suspension, Wheels, Steering,
Repair Group 40

Repair Manual, Brake System, Repair Group 45
- Check rotor, clean or replace
- Replace wheel bearing- Check installation of ABS wheel speed sensor.- "Read measuring value block", display group 1
page 01
-63
.
- Carry out "Electrical test", step 8 page 01
-68
.
- If neither the "Read measuring value block"
function nor the "electrical test" reveal any
malfunctions, check all wiring and harness
connectors for loose contacts.
Right front ABS
wheel speed sensor -
Incorrect control module version.- Check control module version page 01
-52
.
Pa
ge 60 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-105

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00287
Right rear ABS
wheel speed sensor -
G44-
or:
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
Left rear ABS wheel speed sensor -G44-
installed incorrectly.
ABS wheel speed sensor -G44-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Suspension, Wheels, Steering,
Repair Group 42

Repair Manual, Brake System, Repair Group 45
- Check rotor, clean or replace
- Replace wheel bearing- Check installation of ABS wheel speed sensor.- "Read measuring value block", display group 1
page 01
-63
.
- Carry out "Electrical test", step 10 page 01
-68
.
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 neither the "Read measuring value block"
function nor the "electrical test" reveal any
malfunctions, check all wiring and harness
connectors for loose contacts.
- If no problems are found after implementing the
Pa
ge 62 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-106

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00290
Left rear ABS wheel
speed sensor -G46-
or:
ABS wheel speed sensor rotor dirty or
damaged.
Excessive wheel bearing play.
Left rear ABS wheel speed sensor -G46-
installed incorrectly.
ABS wheel speed sensor -G46-
malfunctioning.
Short circuit to Ground (GND). Repair Manual, Brake System, Repair Group 45

Repair Manual, Suspension, Wheels, Steering,
Repair Group 42

Repair Manual, Brake System, Repair Group 45
- Check rotor, clean or replace
- Replace wheel bearing- Check installation of ABS wheel speed sensor.- "Read measuring value block", display group 1
page 01
-63
.
- Carry out "Electrical test", step 9 page 01
-68
.
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 neither the "Read measuring value block"
function nor the "electrical test" reveal any
malfunctions, check all wiring and harness
connectors for loose contacts.
- If no problems are found after implementing the
Pa
ge 64 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-107

Output on
printer of
VAG1551 Scan
Tool (ST) Possible cause
Corrective action
DTC
00301
ABS return flow
pump -V39 -
Open circuit in wire or contact resistance
in Ground (GND) connection or voltage
supply to ABS return flow pump -V39-.
Open circuit or short circuit to B+ or
Ground (GND) in wiring between ABS
return flow pump relay -J105- and the
ABS control module -J104-.
ABS return flow pump relay -J105-, ABS
return flow pump -V39- or hydraulic unit
malfunctioning. Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Locate and repair open circuit or contact resistance.
- Locate and repair open circuit or short circuit.- Check ABS return flow pump relay -J105-, ABS return
flow pump -V39- and ABS hydraulic unit -N55-, carry out
"electrical test", step 12+17 page 01
-68
, "Read
measuring value block", display group 2 page 01
-65
.
Pa
ge 66 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-108

Output on printer
of VAG1551 Scan
Tool (ST) Possible cause
Corrective action
DTC
00302
ABS solenoid
valve relay -J106-
Faulty wire connection or excessively large
contact resistance in Ground (GND)
connection to ABS solenoid valve relay -
J106-.
Open circuit or short circuit to B+ or Ground
(GND) in wiring between ABS solenoid
valve relay -J106- and the ABS control
module -J104-.
ABS solenoid valve relay -J106- or ABS
hydraulic unit -N55- malfunctioning. Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - Check Ground (GND) connection for contact
resistance and faulty wiring.
- Locate and repair open circuit or short circuit.- Check ABS solenoid valve relay -J106- and ABS
hydraulic unit, carry out "electrical test", step 11
page 01
-68
, "Read measuring value block", display
group 2 page 01
-65
.
Pa
ge 67 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-109

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00526
Brake light switch -F-
FWD:
Open circuit
Both brake lights -M9- (left) and -M10- (right)
malfunctioning or ABS control module -J104-
malfunctioning.
Wire from brake lights to control module faulty. Electrical Wiring Diagrams,
Troubleshooting & Component
Locations - Locate and repair open circuit or
short circuit.
- Replace bulbs.
- Check brake light switch, "Read
measuring value block", display
group 2 page 01
-65
.
AWD:
Implausible signal
Open circuit or short circuit to B+ or Ground (GND) in
wiring between brake light switch and the bulbs for brake
lights -M9- (left), -M10- (right) or ABS control module -
J104-.
Bulb for left brake light -M9- or right brake light -M10-
malfunctioning.
Brake light switch malfunctioning.
Pa
ge 68 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-110

Output on printer of
VAG1551 Scan Tool
(ST) Possible cause
Corrective action
DTC
00529
Wheel speed information
missing
No signal

This malfunction only
occurs if vehicle is
equipped with ASR.
Open circuit or short circuit to B+ or
Ground (GND) in wiring between ABS
control module -J104- and Engine
Control Module (ECM).
Electrical Wiring Diagrams, Troubleshooting &
Component Locations - "Read measuring value block", display group 3
page 01
-67
.
- Locate and repair open circuit or short circuit.


Engine Control Module (ECM)
malfunctioning. - If the tachometer in the instrument cluster is
malfunctioning and no malfunctions can be found in
the wiring, the Engine Control Module (ECM) is
malfunctioning and must be replaced.

ABS control module -J104-
malfunctioning - If the tachometer in the instrument cluster
functions properly and no malfunctions can be
found in the wiring, the ABS control module
(w/EDL) -J104- is malfunctioning and must be
replaced.
Pa
ge 69 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8

01-117

Output on printer of VAG1551 Scan
Tool (ST) Possible cause
Corrective action
DTC

00647
ABS-ASR motor electrical connection 2
Open circuit or short circuit to B+ or Ground
(GND) in wiring between ABS control module -
J104- terminal 47 and Engine Control Module
(ECM).
Electrical Wiring Diagrams,
Troubleshooting &
Component Locations - "Read measuring value
block", display group 3
page 01
-67
.
- Locate and repair open
circuit or short circuit.
Note:
The following signal is sent from the
Engine Control Module (ECM) to the
ABS control module (w/EDL) -J104- via
this connection:

AET signal (Actual Engine Torque)





Engine Control Module (ECM) malfunctioning.





- Replace Engine Control
Module (ECM).
Pa
ge 76 of 79 Read Measurin
g Value Block
(function 08
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.8