lock AUDI A4 2000 B5 / 1.G Airbag Service OBD User Guide

01-48

Vehicles from calendar week (KW) 18.99 on
Output Diagnostic Test Mode (DTM) is used to
check the operation of the crash response
system. When airbags are triggered, the central
locking system switches immediately to "open"
and the inside door lock switches are blocked.
Emergency flashers and interior lights are
switched on and the fuel supply is interrupted.

Notes:

Before initiating output Diagnostic Test Mode
(DTM), set the central locking system to
"closed" by operating the interior switch and
start the engine.
Set interior light switch to "door contact"
position.
After output DTM is initiated, central locking
cannot be operated until the DTC memory of
the central locking control module is erased.

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.
Pa
ge 64 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

01-49

Output Diagnostic Test Mode Signal: Open central lockin
g system

Indicated on display
Engine must stop running
Central locking must switch to "open."
Emergency flashers and interior lights switch on.
Notes: - Operate interior switch. Central locking must not switch to "closed" as
long as DTC is still stored in central locking control module.
After this procedure step, DTC 01366 is stored in the DTC memory of
the central locking control module. After completion of output Diagnostic Test Mode (DTM), the DTC
memory of the central locking control module must be checked and
this DTC must be erased page 01
-74
.
Several DTCs will be stored in the DTC memory of the Engine Control
Module (ECM) after this procedure. After completing output Diagnostic Test Mode (DTM), the DTC
memory of the Engine Control Module (ECM) must be checked and
erased. This procedure varies depending on the fuel injection and
ignition system installed in the vehicle. Refer to Repair Group 01 of
the appropriate repair manual DTC memory, checking and erasing. Depending on engine type, fuel shut-off is a running-change as of KW
18.99.
Pa
ge 66 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

01-57

Read Measuring Value Block (scan tool
function 08)


Note:
The current airbag system condition can be
determined by using the "Read Measuring Value
Block" function 08.

Carrying out "Read Measuring Value Block"
function 08
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08.
Rapid data transfer
Q
08 - Read Measurin
g Value Block

Indicated on display
- Press -Q- button to confirm input.
Read Measurin
g Value Block
Input displa
y group number XXX

Indicated on display
- Press buttons -0-, -0- and -1- to input display group number 1 (001).
- Press -Q- button to confirm input.
Pa
ge 74 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