AUDI A4 1999 B5 / 1.G Brakes Output DTM 03 Repair Manual

01-201

DTC
Possible cause
Corrective action
Printed output from VAG1551
Scan Tool (ST)

00647
ABS-ASR motor electrical
connection 2 Data is transferred between the ABS
control module -J104- and the Engine
Control Module (ECM) via a single wire. For more information, see the section
"Systems related to ASR" page 01
-42

and the table "Control module versions"
page 01
-134
.
Note:
The following signal is sent from
the Engine Control Module (ECM)
to the ABS control module (w/EDL)
-J104- via this connection:
Open circuit or short circuit to B+ or
Ground (GND) in wiring between ABS
control module -J104- terminal 27 and
Engine Control Module (ECM).
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations - Locate and repair open circuit or short
circuit.
AET signal (Actual Engine
Torque)
Engine Control Module (ECM)
malfunctioning. - Replace Engine Control Module
(ECM).
ABS/EDL/ASR control module -J104-
malfunctioning. - Replace ABS/EDL/ASR hydraulic
control unit.
Pa
ge 61 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13

01-202

DTC
Possible cause
Corrective action
Printed output from
VAG1551 Scan Tool
(ST)

00761
DTC stored in Engine
Control Module (ECM)

This malfunction only
occurs if vehicle is
equipped with ASR. Data is transferred between ABS
control module -J104- and Engine
Control Module (ECM) via a single
wire or via the CAN-bus. For more information, see the section "Systems
related to ASR" page 01
-42
and the table "Control
module versions" page 01-134
.


A DTC was stored in the Engine
Control Module (ECM). The Engine
Control Module (ECM) is not able to
reduce engine torque. - Check DTC memory of Engine Control Module
(ECM). Repair the malfunction according to the
appropriate engine Repair Manual and erase DTC
memory of the Engine Control Module (ECM).
Pa
ge 62 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13

01-203

DTC
Possible cause
Corrective action
Printed output from
VAG1551 Scan Tool (ST)

01044
Control module incorrectly
coded

This malfunction only
occurs if vehicle is
equipped with ASR. Data is transferred between the ABS control
module -J104- and the Transmission Control
Module (TCM) via the CAN-bus. For more information, see the section
"Systems related to ASR" page 01
-42
and
the table "Control module versions" page
01
-134
.


The ABS control module (w/EDL) -J104- is
coded for a vehicle with manual
transmission. The vehicle is equipped with
automatic transmission. - Code the ABS control module (w/EDL) -
J104- for the correct transmission page
01
-135
.
01130
ABS operation
Implausible signal
- Replace the ABS control module (w/EDL) -
J104- after conferring with the product
department of your distributor or with the
responsible importer.
Pa
ge 63 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13

01-204

DTC
Possible cause
Corrective action
Printed output from VAG1551 Scan
Tool (ST)

01200
Supply voltage for ABS valves

Note:
This malfunction affects the voltage
supply of the ABS hydraulic unit -N55-
and the motor for the ABS hydraulic
pump -V64-.
Open circuit or contact resistance too
high between voltage supply from
terminal 30 hydraulic control unit,
terminals 17 and 18. Voltage jumps in vehicle system.
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Repair Manual, Electrical
Equipment, Repair Group 27.
- Carry out "Electrical test", step
2 page 01
-166
.
- Locate and repair open circuit in
voltage supply. - Check Generator (GEN) and
Voltage Regulator (VR). - Check battery

Malfunction in hydraulic control unit- If no malfunctions can be found
in the voltage supply, replace
hydraulic control unit.
Pa
ge 64 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13

01-205

DTC
Possible cause
Corrective action
Printed output from VAG1551
Scan Tool (ST)

01201
Supply voltage for ABS pump

Note:
This malfunction affects the Ground
(GND) supply of the motor for the
ABS hydraulic pump -V64-.
Open circuit or contact resistance too
high in Ground (GND) supply to
hydraulic control unit, terminal 16.
Electrical Wiring Diagrams,
Troubleshooting & Component Locations - Carry out "Electrical test", step 2
page 01
-166
. Check contact resistance
in the Ground (GND) supply.
- Locate and repair open circuit in
Ground (GND) supply.

Malfunction in hydraulic control unit - If no malfunctions can be found in the
voltage supply, replace hydraulic control
unit.
Pa
ge 65 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13

01-206

DTC
Possible cause
Corrective action
Printed output from
VAG1551 Scan Tool
(ST)

01203
ABS / instrument cluster
electrical connection

Open circuit/short circuit
to Ground (GND)
Short circuit to Ground (GND) or open circuit in wire
between instrument cluster and hydraulic control
unit, terminal 10.
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations - Check the wire for short circuit to
Ground (GND) and for open circuit.
Pa
ge 66 of 66 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU02.01.13