AUDI A4 1999 B5 / 1.G Airbag Service OBD Repair Manual

1) Only airbag 7 (from 07.96 on) and airbag 8. The DTC is stored in memory even if the airbag control module -J134- has
been adapted appropriately.
Pa
ge 51 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-39

DTC


VAG 1551 scan tool display
Possible cause
Corrective action
01588
Ign. for Side curtain airbag, Driver Side-
N251Resistance vaule too small
Short circuit in wiring Driver-side side curtain airbag
faulty Airbag control module faulty- Repair short circuit.
- Replace driver-side side curtain
airbag.
- Replace airbag control module
-J234-.
01588
Ign. for Side curtain Airbag, Driver Side-N251Short
circuit to B+ Wiring damaged Airbag control module faulty- Repair damaged wiring.
- Replace airbag control module
-J234-.
01588
Ign. for Side curtain Airbag, Driver Side-N251Short
circuit to Ground Wiring damaged Driver-side side curtain airbag
faulty Airbag control module faulty- Repair damaged wiring.
- Replace driver-side side curtain
airbag.
- Replace airbag control module
-J234-.
01589
Igniter for Airbag Pass. Side-N252Resistance value
too large Open circuit in wiring Passenger-side side curtain - Repair open circuit.
- Replace passenger-side side
Pa
ge 52 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

airbag faulty Airbag control module faultycurtain airbag.
- Replace airbag control module
-J234-.
01589
Igniter for Airbag Pass. Side-N252Resistance vaule
too small Short circuit in wiring Passenger-side side curtain
airbag faulty Airbag control module faulty- Repair short circuit.
- Replace passenger-side side
curtain airbag.
- Replace airbag control module
-J234-.
Pa
ge 53 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-40

DTC


VAG 1551 scan tool display
Possible cause
Corrective action
01589
Igniter for Airbag Pass. Side-N252Short circuit
to B+
Wiring damagedAirbag control module faulty - Repair damaged wiring.
- Replace airbag control module -
J234-.
01589
Igniter for Airbag Pass. Side-N252Short circuit
to Ground Wiring damagedPassenger-side side curtain
airbag faulty Airbag control module faulty - Repair damaged wiring.
- Replace passenger-side side
curtain airbag.
- Replace airbag control module -
J234-.
65535
Control Module Malfunctioning
- Replace airbag control module -
J234-.
Note:
DTC 65535 "Control Module Malfunctioning" cannot be erased using the VAG1551 Scan Tool (ST).
Pa
ge 54 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-41

Check Control Module Versions (scan
tool function 01)


- Press buttons -0- and -1- to select "Check
Control Module Versions" function 01.
Rapid data transfer
Q
01 - Check Control Module Versions

Indicated on display
Vehicles 1997 - Press -Q- button to confirm input.
8A0959655D
Airbag V AUDI
D02
Codin
g 00766
WSC 06812

Indicated on display after about 5 seconds
Explanation of display
8A0959655D: Part No. of airbag control moduleAirbag V AUDI: airbag system designationD02: software version of control module for airbag in Audi vehiclesCoding 00766: coding for airbag control module. Code Control Module
table page 01
-52
.
WSC 06812: dealership number
-
Press button to return to "Select function XX" prompt.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
ge 55 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-42

Vehicles 1997 1999: up to VIN 8D XA 200
000 8D0959655C
Airbag 7
AUDI D00
Codin
g 00102
WSC 06812

Indicated on display after about 5 seconds
Explanation of display
8D0959655D: Part No. of airbag control module (front and side
airbags) 8D0959655M: Part No. of airbag control module (front and side
airbags) Airbag 7: airbag system designationAUDI D00: software version of control modules for Audi vehicles
(control module identification No. can also be a 4 digit number) Coding 00102: coding for airbag control module. Code Control Module
table page 01
-53

WSC 06812: dealership number
-
Press button to return to "Select function XX" prompt.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
ge 56 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-43

Vehicles 1999 : from VIN 8D XA 200 001 8D0959655K
Airbag Front+Side
D004
Codin
g 01106
WSC 06812

Explanation of display
Note:
For vehicles with Airbag 8, display will indicate airbag front + side or
airbag front + side curtain in place of Airbag V, Airbag 7. - Indicated on display after approx. 5 seconds:
8D0959655K: Part No. of airbag control module (front and side
airbags) 8D0959655G: Part No. of airbag control module (front and side curtain
airbags) Airbag front + side: component identification for airbag systemD004: software version of control module for airbag in Audi vehiclesCoding 01106: coding of airbag control module. Coding table page 01
-54

WSC 06812: dealership number
-
Press button to return to "Select function XX" prompt.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
ge 57 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-44

Output Diagnostic Test Mode (scan tool
function 03) (vehicles 1997 1998)

The Output Diagnostic Test Mode is used to
check operation of the crash response system.
When airbags are triggered, the central locking
system unlocks the doors and simultaneously
blocks internal switches. Emergency flashers and
interior lights are switched on.

Notes:
Before initiating the Output Diagnostic Test
Mode, switch central locking system to "closed"
by operating internal switch.

Carrying out "Output Diagnostic Test Mode"
function 03 Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -3- to select "Output Diagnostic Test Mode"
function 03.
Rapid data transfer
Q
03 - Output Dia
gnostic Test Mode

Indicated on display
- Press -Q- button to confirm input.
Output Diagnostic Test Mode Signal: Open central locking system

Indicated on display
The central locking system must switch to "open."
Pa
ge 58 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

Emergency flashers and interior lights switch on.
- Operate internal switch.
Central locking must switch back to "closed."
Pa
ge 59 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2

01-45

Output Diagnostic Test Mode END

Indicated on display
-
Press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
ge 60 of 74 Airba
g system
(with and without side airba
g)
On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.BD04.01.2