Audi A4. Body repair manual - part 72
Instrument cluster (from M.Y. 2000)
Installing
- Connect electrical harness connectors and affix
wiring harness to rear of instrument cluster with
cable ties.
- To install, perform the steps described for
removal in reverse order.
- Perform a function test after installation.
- If function test is OK
observe notes for the replacement of the
Instrument cluster (from M.Y. 2000)
Instrument cluster multi-pin connectors
Note:
On the Audi A4/S4, all control lamps are
equipped with LEDs which means that if one
control lamp malfunctions the instrument cluster
must be replaced.
Midline-instrument cluster
A - Green 32-pin multi-pin connector
B - Blue 32-pin multi-pin connector
C - Discontinued
D - Black 4-pin multi-pin connector for remote clock (not connected in
US)
Instrument cluster (from M.Y. 2000)
Highline-instrument cluster
A - Green 32-pin multi-pin connector
B - Blue 32-pin multi-pin connector
C - Gray 32-pin multi-pin connector
D - Black 4-pin multi-pin connector for remote clock (not connected in
US)
Instrument cluster (from M.Y. 2000)
Instrument cluster, terminal
assignments
Blue 32-pin multi-pin connector for basic functions
1 - Terminal 15
2 - Brake pad wear
3 - Tachometer output 1
4 - not occupied
5 - Tank sensor
6 - Tank warning OBD 2
7 - Terminal 31 (sensor Ground (GND))
8 - Coolant temperature
9 - Terminal 31 (load Ground (GND))
10 - Oil pressure 2 (high)
11 - RPM signal
12 - A/C shut-off
13 - E-Gas/glow plug control
14 - Level control
15 - Terminal 58d
16 - Trailer turn signal
Instrument cluster (from M.Y. 2000)
17 - High beam
18 - Left turn signal
19 - not occupied
20 - Terminal 58s
21 - Driver door contact
22 - Low coolant
23 - Terminal 30
24 - Terminal 31 (load Ground (GND))
25 - Consumption signal
26 - Right parking light
27 - Left parking light
28 - Tachometer input
29 - Brake
30 - S-contact
31 - Tachometer output 2
32 - ESP/ASR
Instrument cluster (from M.Y. 2000)
Green 32-pin multi-pin connector for auxiliary functions
1 - Door contact (all doors)
2 - Transponder 1
3 - not occupied
4 - not occupied
5 - W-wire
6 - Tailgate
7 - Right turn signal
8 - External buzzer
9 - External gong
10 - Airbag
11 - Stand-still time output
12 - Terminal 61
13 - Parking brake/BRAKE
14 - CHECK
15 - Oil level/oil temperature
16 - not occupied
Instrument cluster (from M.Y. 2000)
17 - Transponder 2
18 - CAN high speed (powertrain) (high +)
19 - CAN high speed (powertrain) (low -)
20 - CAN high speed (powertrain) (screen)
21 - ABS
22 - CAN low speed (comfort) (high +)
23 - CAN low speed (comfort) (low -)
24 - CAN low speed (comfort) (screen)
25 - Engine lid
26 - not occupied
27 - Belt buckle
28 - K-wire
29 - Outside temperature -input
30 - not occupied
31 - Selector range display
32 - not occupied
Instrument cluster (from M.Y. 2000)
Gray 32-pin multi-pin connector for multi-function display
1 - Menu selection switch (menu)
2 - Menu selection switch (out A)
3 - Menu selection switch (out B)
4 - Menu selection switch (Enter)
5 - CAN high speed display (high +)
6 - CAN high speed display (low -)
7 - CAN high speed display (screen)
8 - Passenger door contact
9 - Right rear door contact
10 - Left rear door contact
11 - Enable
12 - Clock
13 - Data
14 - Brake light
15 - Windshield washer fluid level
16 - Rear lights/low beams
Instrument cluster (from M.Y. 2000)
17 - Left board computer
18 - Right board computer
19 - Board computer, reset
20 - not occupied
21 - not occupied
22 - not occupied
23 - Button branch 1 navigation
24 - Button branch 2 navigation
25 - Button branch Telematic
26 - not occupied
27 - not occupied
28 - not occupied
29 - not occupied
30 - not occupied
31 - not occupied
32 - not occupied
Instrument cluster (from M.Y. 2000)
Engine speed signal, checking
If a malfunction of the RPM display at tachometer
is detected, signal at the tachometer must be
checked.
- Connect VAS5051 tester or VAG1551 scan tool
114 .
- Select display group number 001 and perform a
road test.
If the speed appears on the VAG1551 Scan Tool
display but not via the speedometer in instrument
cluster, the instrument cluster is faulty and must
be replaced.
If no speed is indicated on the VAG1551 Scan
Tool display either, the signal must be checked
at multi-function connection at instrument
cluster.
Instrument cluster (from M.Y. 2000)
- Connect VAG1598 tester with VAG1598/25
adapter to the blue 32-pin connector.
- Perform an acoustic continuity check of the
sensor and wire using the VAG1526 multimeter
between terminal 28 and socket 9 (load Ground
(GND))
Test
The beep signal of the resistance tester must
switch on and off several times while the vehicle
is rolled slightly forward and backward (approx.
1m)
If the test is not OK, the wire connection to speed
sender must be checked.
- Check wire connection according to wiring
diagram.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
If the wire connection is OK, the speed sender
must be replaced.
Instrument cluster (from M.Y. 2000)
Signal from sender for fuel gauge -G-,
checking
If a malfunction of the sender for fuel gauge is
detected at instrument cluster, check if the signal
at the instrument cluster is OK.
- Connect VAS5051 tester or VAG1551 scan tool
114 .
- Select display group number 2.
If the fuel level appears on the VAG1551 scan
tool display but not via the fuel gauge, the
instrument cluster is faulty and must be
replaced.
If no speed is indicated on the VAG1551 scan
tool display either, the signal must be checked at
multi-function connection at instrument cluster.
adapter to the blue 32-pin connector.
Instrument cluster (from M.Y. 2000)
- Measure resistance (sensor resistance) between
terminal 5 and 7 using VAG1526 multimeter.
Specified values:
Fuel tank empty: approx. 280 Ohm (Front Wheel
Drive/All Wheel Drive)
Fuel tank full: approx. 40 Ohm (Front Wheel
Drive/All Wheel Drive)
- If the specified values are not reached, check
wire connection between instrument cluster and
the sender for fuel gauge -G- (Front Wheel
Drive/All Wheel Drive) according to wiring
diagram.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
- If there is neither an open circuit nor a short
circuit, check the sender for fuel gauge -G-
(Front Wheel Drive/All Wheel Drive)
- Sender for fuel gauge, checking
Repair Manual, Fuel Supply System, Repair