fuel consumption AUDI A4 2000 B5 / 1.G Instrument Cluster Location Diagram Through Model Year 2000 Workshop Manual

90-45
What appears in the consumption display?
1. constant 0.0 L/100 km
Possible short circuit to battery Ground (GND)
in the signal wire.
- Switch ignition off.

- Connect corresponding test box to the Engine
Control Module (ECM).

Repair Manual, Fuel Injection & Ignition,
Repair Group 24; additional signals, checking;
consumption signal for board computer, checking

- Remove instrument cluster Page 90
-27
and
disconnect blue 32-pin connector from
instrument cluster.

- Connect VAG1598 tester with VAG1598/25
adapter to the blue 32-pin connector.

- Connect (+) adapter lead to VAG1598/25 test
box socket 25 using VAG1526 multimeter

Pa
ge 23 of 28 Instrument cluster
(from M.Y. 2000
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.90.2

90-47
2. constant 51 L/100 km
Possible open circuit in the signal wire.
- Switch ignition off.

- Connect test box to Engine Control Module
(ECM).

Repair Manual, Fuel Injection & Ignition,
Repair Group 24; additional signals, checking;
consumption signal for board computer, checking

- Remove instrument cluster Page 90
-27
and
disconnect blue 32-pin connector from
instrument cluster.

- Connect VAG1598 tester with VAG1598/25
adapter to the blue 32-pin connector.

- Connect (+) adapter lead to VAG1598/25 test
box socket 25 using VAG1526 multimeter.

-
Connect (-) adapter lead to the corresponding
test box of Engine Control Module (ECM) and
the corresponding consumption signal socket of
Pa
ge 26 of 28 Instrument cluster
(from M.Y. 2000
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.90.2

90-48

- Connect (+) adapter lead to to the corresponding
test box of the Engine Control Module (ECM)
using VAG1526 multimeter

- Connect (-) adapter lead to battery Ground
(GND).

- Perform a resistance check.
Specification: Display > 9 M Ohm

- If the specified values are reached, the wire
connection is OK.
3. The consumption display has no logical or
fluctuating consumption value.
The consumption display deviates from the
actual fuel consumption.
- Perform adaptation of consumption display
Page 01
-140
.
Pa
ge 28 of 28 Instrument cluster
(from M.Y. 2000
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE01.90.2