1998 AUDI A4 Audi a4 b5

90-9

Instrument cluster multi-pin connector,
terminal assignments (through 1997)


26-pin connector (blue)
Note:
Use VAG1598/4 adapter with VAG1598 test box and appropriate wiring
diagram for test measurements at 26-pin harness connectors.
1 - Open
2 - Signal for buzzer
3 - Terminal 15
4 - Terminal 15
5 - Open
6 - Terminal 61
7 - Parking brake/brake system malfunction
8 - ABS (input signal)
9 - Airbag (input signal)
10 - CAT
11 - Open
12 - Open
Pa
ge 9 of 27 Instrument cluster
(throu
gh M.Y. 1999
)
11/20/2002 htt
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pair&id=AUDI.B5.EE01.90.1

90-10


13 - Parking light, right
14 - Ignition switch, S-contact
15 - Chime signal
16 - Open
17 - Open
18 - Oil pressure 1.8 bar
19 - Terminal 58d
20 - Coolant level
21 - Turn signal, right
22 - Headlight high beams
23 - Speedometer Vehicle Speed Sensor (VSS) (checking Page 90
-
22
)
24 - Brake fluid
25 - Brake pads
26 - Parking light, left
Pa
ge 10 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

90-11


26-pin connector (yellow)
Note:
Use VAG1598/4 adapter with VAG1598 test box and appropriate wiring
diagram for test measurements at 26-pin harness connectors.
1 - Terminal 58
2 - Terminal 58
3 - Engine RPM signal
4 - Air conditioner compressor
5 - Clock (output)
6 - Speed signal 1
7 - Speed signal 2
8 - Door contact (driver's door)
9 - Terminal 30
10 - Terminal 30
11 - Open
12 - Fuel tank warning
Pa
ge 11 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

90-12


13 - Turn signal, left
14 - Open
15 - Open
16 - Seat belt buckle switch
17 - Open
18 - Terminal 31
19 - Terminal 31
20 - Diagnostic wire
21 - Open
22 - Open
23 - Open
24 - Open
25 - Sender for fuel gauge
Checking Page 90
-23
26 - Engine coolant temperature sensor
Checking Page 90
-24
Pa
ge 12 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

90-13


20-pin connector (black)
1 - Fuel consumption signal
2 - Open
3 - Open
4 - Open
5 - Outside air temperature
6 - Selector lever display
7 - Open
8 - Open
9 - Coolant level
10 - Hydraulic pressure
11 - Trip computer - Reset
12 - Radio/Telephone - Clock
13 - Radio/Telephone - Data
14 - Trip computer (forward sequence)
15 - Radio/Telephone - Enable
16 - Rear lights/headlight low beams
17 - Open
18 - Trip computer (reverse sequence)
19 - Brake lights
Pa
ge 13 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
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e=re
pair&id=AUDI.B5.EE01.90.1

20 - Open
Pa
ge 14 of 27 Instrument cluster
(throu
gh M.Y. 1999
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11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
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pair&id=AUDI.B5.EE01.90.1

90-14


4-pin connector (black)
1 - Oil temperature sensor
2 - Open
3 - Open
4 - Open
Pa
ge 15 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

90-15

Indicator lights in instrument cluster,
locations (1998 through 1999)


Note:
With the exception of two indicator lights, all the
remaining indicator lights are equipped with Light
Emitting Diodes (LEDs). This means that if one
LED fails, the instrument cluster must be
replaced.

Lowline instrument cluster
Note:
If the instrument cluster is replaced in vehicles with outside temperature
display or if outside temperature display is added later, cover -C- must be
removed from the Lowline model. 1 - High beam indicator lamp - 1.2 W/1.1 W (Nippon Seiki)/ (VDO)
2 - Indicator light for Electronic Stability Program (ESP) - 1.2 W (only if
equipped with ESP)
3 - Indicator light for trailer flasher - 1.2 W (only if equipped with trailer
hitch)
A - 32-pin connector for basic functions, blue
B - 32-pin connector for additional functions, green
C - Cover for vehicles without outside temperature display
Pa
ge 16 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