lock AUDI A4 2000 B5 / 1.G Instrument Cluster OBD From Model Year 1999 Workshop Manual

01-9

On Board Diagnostic (OBD) functions
The following functions are possible:
02 - Check DTC Memory Page 01
-10

03 - Output Diagnostic Test Mode Page 01
-15


05 - Erase DTC Memory Page 01
-20

06 - End Output Page 01
-22

07 - Code Control Module Page 01
-23

08 - Read Measuring Value Block Page 01
-27


10 - Adaptation Page 01
-32

Pa
ge 11 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-14

01039
ECT Sensor-G2

Open/Short
circuit to B+
Short circuit to
Ground (GND)
Open circuit or short circuit between Engine Coolant
Temperature Sensor (ECT) -G2- and instrument
cluster
ECT sensor -G2- faulty- Trace malfunction Electrical Wiring
Diagrams, Troubleshooting & Component
Locations
- Replace -G2-.
01402
Data Wire from
Navigation

Incorrect signal
Open circuit in clock enable or data wire
Navigation/instrument cluster interface
malfunctioning
Malfunction caused by electromagnetic interference
inside and outside vehicle Repair Manual Radio, Telephone,
Navigation, Repair Group 97 - Check data wire for damage.
- Check causes for electromagnetic
malfunctions.
65535
Control Module
Malfunctioning
Instrument cluster faulty- Replace instrument cluster Page 90
-
1 .
Pa
ge 17 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-27

Read Measuring Value Block (scan tool
function 08)


Initiating "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 Measuring Value Block
HELP
Input displa
y group number XXX

Indicated on display
The scan tool will indicate the selected display group. - Input display group number from table ( Page 01
-28
) and press -Q-
button to confirm input.
Pa
ge 35 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-29
Display group 001

Read Measuring Value Block 1

Indicated on display

50 km/h 2400 RPM Oil press 2

Time
Not activated for Audi A4



Oil pressure switch 2
Oil pressure switch 2 < min Oil pressure switch 2 OK.

Engine RPM

0 - 9990 RPM


Road speed
0 - 300 km/h

Pa
ge 38 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-30
Display group 002

Read Measuring Value Block 2

Indicated on display

820 km 41 ltr.
19.0 C







Outside Temperature
-40 to +70 C


Fuel level

0 - 100 ltr.


Odometer

Display group 003

Read Measuring Value Block 3

Indicated on display


85.0 C










Pa
ge 39 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-31
Display group 050

Read Measuring Value Block 50

Indicated on display

2390 km 2400 RPM
85.0 C



Coolant temperature
50 to 130 C




Oil temperature
Not activated for Audi A4

Engine speed
0 - 9990 RPM


Odometer

Pa
ge 41 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-34

Initiating "Adaptation" function 10 Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -1- and -0- to select "Adaptation" function 10.
Read Measurin
g Value Block
Q
10 - Adaptation

Indicated on display
- Press -Q- button to confirm input.
Adaptation
Q
Insert channel number XX

Indicated on display
Note:
After changing an adaptation value or after an adaptation in a specific
channel has been completed, "Adaptation" function 10 must be selected
again in order to select another adaptation channel. - Insert desired adaptation channel ( Adaptation table, Page 01
-
33
).
- Press -Q- button to confirm input.
Pa
ge 44 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-55

Channel 7 Adaptation 11

-1 3-

Indicated on display
The display shows the days remaining until the next inspection service 1
is due (in this example "11" indicates 110 days remaining).
Notes:
Values can only be entered in increments of 10 days. Therefore the
display shows blocks of 10 days. If the instrument cluster must be replaced, observe notes Page 01
-
75
.
When using the scan tool keypad, only the direct input method can be
used. If an incorrect value is input, the "adaptation" function 10 will be
cancelled and must be initiated again.
-
Press button.
Pa
ge 66 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1

01-58

Channel 8 Adaptation 45

-1 3-

Indicated on display
The display shows the days remaining until the next inspection service 2
is due (in this example "45" indicates 450 days remaining).
Notes:
Values can only be entered in increments of 10 days. Therefore the
display shows blocks of 10 days. If the instrument cluster must be replaced, observe notes Page 01
-
75
.
When using the scan tool keypad, only the direct input method can be
used. If an incorrect value is input, the "adaptation" function 10 will be
cancelled and must be initiated again.
-
Press button.
Pa
ge 69 of 74 Instrument cluster, On Board Dia
gnostic
(OBD
) (throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.01.1