AUDI A4 1999 B5 / 1.G Instrument Cluster Location Diagram Through Model Year 1999 Owner's Manual

90-20


17 - Open
18 - Open
19 - Open
20 - Open
21 - Oil temperature
22 - Open
23 - Open
24 - Open
25 - Open
26 - Open
27 - Open
28 - Open
29 - Open
30 - Speedometer output 2
31 - Open
32 - Open
Pa
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90-21


20-pin connector for multi-function display, red
1 - Fuel consumption signal
2 - Open
3 - Open
4 - Open
5 - Outside air temperature
6 - Selector lever display
7 - Open
8 - Open
9 - Washer fluid
10 - Hydraulic pressure
11 - Trip computer reset
12 - Clock signal for radio frequency display
13 - Data signal for radio frequency display
14 - Trip computer (forward sequence)
15 - Enable signal for radio frequency display
16 - Tail lights/headlight low beam (indicator lights)
17 - Open
18 - Trip computer (reverse sequence)
19 - Brake lights
Pa
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(throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.EE01.90.1

20 - Open
Pa
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pair&id=AUDI.B5.EE01.90.1

90-22

Instrument cluster multi-pin connectors,
checking


Note:
Use VAG1598 test box and VAG1598/4 (26-pin),
VAG1598/25 (32-pin) adapters.

Checking Vehicle Speed Sensor (VSS)

1997

26-pin connector (blue), terminal 23

- Roll vehicle back and forth (approx. 1 meter)
Must read:
Voltage must rise from 0 volts to approx. 5 volts
and then drop again to 0 volts.

1998

32-pin connector (blue), terminal 28

- Roll vehicle back and forth (approx. 1 meter)
Must read:
Ohmic resistance must be between
Pa
ge 24 of 27 Instrument cluster
(throu
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)
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.EE01.90.1

approximately 0 ohms ( ) and ohms ( ).
Pa
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p://127.0.0.1:8080/audi/servlet/Dis
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pair&id=AUDI.B5.EE01.90.1

90-23

Checking sender for fuel gauge

1997
26-pin connector (yellow), terminal 25

Fuel tank half full:
approx. 162 ohms ( )
Fuel tank full: approx. 40 ohms
Fuel tank reserve:
approx. 250 ohms( )

1998
32-pin connector (blue), terminal 5

Fuel tank half full:
approx. 162 ohms ( )
Fuel tank full: approx. 40 ohms
Fuel tank reserve:
approx. 250 ohms( )
Pa
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(throu
gh M.Y. 1999
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.EE01.90.1

90-24

Checking Engine Coolant Temperature (ECT)
sensor

1997
26-pin connector (yellow), terminal 26

Coolant temperature 90
C:
approx. 110 ohms (
)
Coolant temperature 120
C:
approx. 50 ohms (
)

1998
32-pin connector (blue), terminal 8

Coolant temperature 90
C:
approx. 110 ohms (
)
Coolant temperature 120
C:
approx. 50 ohms (
)
Pa
ge 27 of 27 Instrument cluster
(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.EE01.90.1