buttons AUDI A4 1999 B5 / 1.G APB Engine Motronic Syst

01-11

- If no display appears, check diagnostic
cables:

Electrical Wiring Diagrams, Troubleshooting &
Component Locations Depending on the function required:

- Switch ignition on.

or

Start engine Page 01
-6 , table of available
functions.

- Switch on printer with PRINT button (indicator
light in button lights up).

- Press button -1- to select "Rapid data transfer"
operating mode. Rapid data transfer
HELP
Insert address word XX

Indicated on display:
Rapid data transfer
Q
01 - En
gine Electronics

- Press buttons -0- and -1- to insert "Engine electronics" address word
01.
Pa
ge 13 of 166 Motronic s
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-15

Diagnostic Trouble Code (DTC) Memory,
checking and erasing


- Connect vehicle diagnostic, testing and
information system VAS5051 or VAG1551 scan
tool and select "Engine Electronics" by entering
address word 01 Page 01
-9. When doing this
the engine must be idling.
Only if engine does not start:

- Check engine with ignition switched on.

- Switch on printer with PRINT button (indicator
light in button lights up). Rapid data transfer
HELP
Select function XX

Indicated on display
- Operate scan tool according to information on display:
- Press buttons -0- and -2- to select function "Check DTC Memory" and
confirm entry with -Q- button.
Pa
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-17

-
Press button.Rapid data transfer
HELP
Select function XX

Indicated on display:
Notes: - Press buttons -0- and -5- to select function "DTC Memory" and confirm
entry with -Q- button.
Attention!DTC memor
y was not checked

Indicated on display:
Test sequence has not been followed.
- Check DTC memory.
Under the following conditions the DTC memory will not be erased:
If Ignition was switched off after DTC memory has been checked.A static malfunction has not been eliminated.
Pa
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(OBD
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-18

Rapid data transfer DTC Memor
y is erased!

Indicated on display:
Note:
During testing and repair work, malfunctions can be recognized from other
control modules (e.g. disconnected harness connectors). Therefore on
completion, the DTC memories of all control modules must be checked
and erased.
End output -
Press button.- After repairs, check DTC memory again.
Rapid data transfer
HELP
Select function XX

Indicated on display:
- Press buttons -0- and -6- to select function "End Output" and confirm
entry with -Q- button.
Rapid data transfer
HELP
Insert address word XX

Indicated on display:
- Switch ignition off and disconnect diagnostic connector.
Pa
ge 21 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-77

Test requirements

Fuses for engine electronics OK
Fuel pump relay OK

- Connect vehicle diagnostic, testing and
information system VAS 5051 or VAG1551 scan
tool and select engine electronics control
module by entering address word "01" Page 01
-9 . When doing this the ignition must be
switched on.
Rapid data transfer
HELP
Select function XX

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

Indicated on display
Pa
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-90

- Press buttons -0- and -4- to select function
"Basic Setting" System in Basic Settin
g
04 - Basic Settin
g

Indicated on display
- Confirm entry by pressing -Q- button.
System in Basic Setting Input displa
y group number XXX

Indicated on display
Note:
Display Group 000 is used here as an example to illustrate the procedure.
(000 is to select Display Group 000)
Note:
When the display group is selected the EVAP valve is closed and the air
conditioner compressor is switched off. - Select required display group number from the Display Group
Overview in "Read Measuring Value Block" section.
- Press buttons -0- three times.
System in Basic Settin
g
Q
Input display group number
000

Indicated on display
- Confirm entry by pressing -Q- button.
System in basic setting 0

Indicated on display
Pa
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e=re
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01-92

- Allow engine to idle for a few minutes: Coolant
temperature at least 80 C.
Notes:

When the PRINT button is pressed the current
display will be printed out.
Press C button before selecting further display
groups.

- If readouts in all display fields match
specifications, press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -6- to select function "End Output".
Rapid data transfer
HELP
06 - End Output

Indicated on display
- Confirm with -Q- button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-96
If an incorrect coding is displayed:

-
Press button.Rapid data transfer
HELP
Select function XX

When indicated on display
- Press buttons "07" for the function "Code Control Module" and press Q
button to confirm input.
Code Control Module
Q
Input code number XXXXX
(0-32000
)

When indicated on display
- Input control module coding according to coding table and press -Q-
button to confirm input Page 01
-94
.
Function unknown or
.
cannot be carried out currentl
y

If this message appears:
Check in parts catalog if the correct control module has been installed
(part number). It also possible that an incorrect code number was entered.
If necessary repeat coding.
-
Press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -6- to select function "End Output" and confirm
entry with -Q- button.
Pa
ge 117 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-97

Read Measuring Value Block


Test requirements

Coolant temperature at least 80 C

Electrical consumers switched off (radiator
fan must not run during the check)
A/C switched off

- Connect vehicle diagnostic, testing and
information system VAS 5051 or VAG1551 scan
tool and select engine electronics control
module by entering address word "01" Page 01
-9 . When doing this the engine must be
idling.
Rapid data transfer
HELP
Select function XX

Indicated on display:
- Press buttons -0- and -8- to select function "Read Measuring Value
Block" and confirm entry with -Q- button.
Read Measuring Value Block Input displa
y group number XXX

Indicated on display
Pa
ge 118 of 166 Motronic s
ystem, On Board Dia
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(OBD
)
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-101

Readiness code, checking


Test sequence

- Connect vehicle diagnostic, testing and
information system VAS5051 or VAG1551 scan
tool to vehicle and select Control module for
engine electronics "Address Word" 01 Page
01
-9 . The ignition must be switched on.
Rapid data transfer
HELP
Select function XX

When indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block" and
press -Q- button to confirm input.
Read Measurin
g Value Block
Q
Input displa
y group number XXX

When indicated on display
- Press buttons "086" for "display group number 086" and press -Q-
button to confirm input.
Read Measuring Value Block 86
1
2
3
4

When indicated on display
- Check readiness code in display field 1

Specified value: 0 0 0 0 0 0 0 0
Pa
ge 122 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1