display AUDI A4 1999 B5 / 1.G Instrument Cluster OBD From Model Year 1999 User Guide

01-13

DTC
Possible cause
Corrective action
VAG1551 scan tool
display
00667
Ambient-Temperature
Signal

Open/Short circuit
to B+
Short circuit to
Ground Vehicles without air conditioning:

Open circuit or short circuit
Outside air temperature sensor -G17-
faulty Vehicles without air conditioning:
- Trace malfunction Electrical Wiring Diagrams,
Troubleshooting & Component Locations
- Replace -G17-.
Vehicles with air conditioning:

Open circuit or short circuit
A/C control head -E87- faultyVehicles with air conditioning:
- Trace malfunction Electrical Wiring Diagrams,
Troubleshooting & Component Locations
- Carry out OBD of air conditioning system
Repair Manual, Heating & Air Conditioning, Repair Group 01

00771
Fuel Level Sensor-G

Open/Short circuit
to B+
Short circuit to
Ground
Open circuit or short circuit between
sender for fuel gauge -G- and
instrument cluster
Sender for fuel gauge -G- faulty- Trace malfunction Electrical Wiring Diagrams,
Troubleshooting & Component Locations
- Replace -G-.
Pa
ge 15 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

01-15

Output Diagnostic Test Mode (scan tool
function 03)


Notes:

Output Diagnostic Test Mode may only be
carried out on a stationary vehicle with the
engine off.
Trace any faults identified by the Output
Diagnostic Test Mode, replace the instrument
cluster if necessary.

The function "Output Diagnostic Test Mode"
cycles all the control elements in the
instrument cluster sequentially, if they are
installed and coded.
Concurrent testing of the display ranges of all
the analog indicators (coolant temperature
gauge, tachometer, speedometer and fuel
gauge).
Activation of the mini-check indicator lights.
Activation of the seat belt warning lamp.
Activation of the chime.
Pa
ge 18 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

Segment check of the multi-function display
and/or the LCD odometer.
Activation of the instrument cluster lights and
dimmer.
Coolant excess temperature test
Pa
ge 19 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

01-16

Notes:

The instrument cluster lighting test can only be
carried out with the lights on.
The coolant excess temperature test activates
the A/C compressor safety shut-off.

Initiating Output Diagnostic Test Mode

Note:
The units displayed are country specific.
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 Diagnostic Test Mode

Indicated on display
- Press -Q- button to confirm input.
This will start the Output Diagnostic Test Mode for the analog
instruments (displays).
Output Diagnostic Test Mode Analog Indicators

Indicated on display
Pa
ge 20 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

01-17
After pressing the -Q- button, the following tests
are run:

Coolant temperature gauge needle moves over
complete range
Tachometer needle moves over complete
range
Speedometer needle moves over complete
range
Fuel gauge needle moves over complete
range
The following preset values are displayed at the
end of the test:

Coolant temperature
display: 90 C (194 F)
Tachometer: 3000 RPM
Speedometer: 100 km/h (62
mph)
Fuel level: 1/2

Note:
If the ignition is switched on or off with any gauge
Pa
ge 21 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

01-18

-
Press button.Output Diagnostic Test Mode Instrument Cluster Warning Lights Test

Indicated on display
Activation of mini-check indicator lights
-
Press button.
Output Diagnostic Test Mode Seat Belt Warnin
g Light-K19

Indicated on display
Activation of seat belt warning light.
Note:
Depending on the model/equipment, the seat belt warning light will be
activated via the control module coding. This means that the warning light
will be inactive if this test is skipped.
-
Press button.
Output Diagnostic Test Mode Chime

Indicated on display
The chime is activated and sounds continuously.
-
Press button.
Pa
ge 23 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

01-19

Output Diagnostic Test Mode Segment test

Indicated on display
Notes:
All indicators on the multi-function display and/or the LCD odometer
are cycled. All segments on the multi-function monitor light up and one bar
remains dark.
-
Press button.
Output Diagnostic Test Mode Switch and instrument li
ghtin
g

Indicated on display
The instrument cluster dimming is tested.
-
Press button.
Output Diagnostic Test Mode ECT Overheat Test

Indicated on display
The A/C compressor safety cut-out will be activated within approx. 5
seconds.
-
Press button.
Output Diagnostic Test Mode END

Indicated on display
This returns the scan tool to the "Select function XX" prompt. -
Press button to end Output Diagnostic Test Mode.
Rapid data transfer
HELP

Indicated on display
Pa
ge 24 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

01-20

Erase DTC Memory (scan tool function
05)


Note:
If the DTC memory cannot be erased, check
DTC memory again and repair malfunctions.

Requirements
DTC memory checked Page 01
-10


All malfunctions repaired
After DTC memory has been successfully
checked:
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -5- to select "Erase DTC Memory" function 05.
Pa
ge 26 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

01-21

Rapid data transfer
Q
05 Erase DTC Memory

Indicated on display
- Press -Q- button to confirm input
Rapid data transfer DTC Memor
y is erased

Indicated on display
DTC memory is now erased.
-
Press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Notes:
Attention!DTC Memory not interrogated

This message indicates an error in the test sequence:
Rapid data transfer DTC Memor
y not interro
gated

This message indicates an error in the test sequence: Observe the test sequence exactly: first check DTC memory, if
necessary repair malfunctions then erase.
Pa
ge 27 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

01-22

End Output (scan tool function 06)

Rapid data transfer
HELP
Select function XX

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

Indicated on display
- Press -Q- button to confirm input
Rapid data transfer
HELP
Insert address word XX

Indicated on display
- Switch ignition off.
- Disconnect VAG1551 scan tool.
Pa
ge 28 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