1996 AUDI A4 ATW Engine Output Diagnostic Test Mode Workshop Manual

01-55
If valve is not activated (does not click):

Repair Manual, Fuel Supply System, Repair
Group 20; components of the EVAP canister system, servicing; Leak Detection Pump (LDP)
-
V144
-, checking.


Activating fuel injectors

Note:
Fuel injectors are activated according to ignition
sequence: Cyl. 1, Cyl. 3, Cyl 4, Cyl. 2.

-
Press button.Output Diagnostic Test Mode (DTM) Cylinder 1 fuel in
jector -N30-

Indicated on display
-
Press button.
Output Diagnostic Test Mode (DTM) Cylinder 1 fuel in
jector -N30-

Indicated on display
If injector does not click:
Fuel injector must click 5 times after button is pressed.
- Check fuel injectors Page 24
-38
.
-
Press button.
Pa
ge 9 of 12 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.4

Output Diagnostic Test Mode (DTM) Cylinder 3 fuel in
jector -N32-

Indicated on display
Pa
ge 10 of 12 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.4

01-56

-
Press button.Output Diagnostic Test Mode (DTM) Cylinder 3 fuel injector -N32-

Indicated on display
If injector does not click:
Fuel injector must click 5 times after button is pressed.
- Check fuel injectors Page 24
-38
.
-
Press button.
Output Diagnostic Test Mode (DTM) Cylinder 4 fuel in
jector -N33-

Indicated on display
-
Press button.
Output Diagnostic Test Mode (DTM) Cylinder 4 fuel injector -N33-

Indicated on display
If injector does not click:
Fuel injector must click 5 times after button is pressed.
- Check fuel injectors Page 24
-38
.
-
Press button.
Output Diagnostic Test Mode (DTM) Cylinder 2 fuel injector -N31-

Indicated on display
-
Press button.
Pa
ge 11 of 12 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.4

01-57

Output Diagnostic Test Mode (DTM) Cylinder 2 fuel in
jector -N31-

Indicated on display
If injector does not click:
Fuel injector must click 5 times after button is pressed.
- Check fuel injectors Page 24
-38
.
-
Press button after activation of last fuel injector (cylinder 2).
Output Diagnostic Test Mode (DTM) DONE

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

Indicated on display (function selection)
Note:
Before re-initiating output Diagnostic Test Mode (DTM), engine must be
started and the ignition must be switched off and on again.
Pa
ge 12 of 12 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.4