Instrument Systems - Cabriolet Audi A4 B6

Instrument cluster

1. Obtain the anti-theft radio security code.
2. Switch the ignition off.
3. Disconnect the battery Ground (GND) strap.
4. After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Manual and/or Owner's Manual.

Note. Steps after reconnecting voltage supply. See BATTERY DISCONNECT PRECAUTIONS .

Fault message "dEF" on trip computer display

If the control module in the instrument cluster detects a malfunction in its permanent memory, the letters "dEF" will appear on the trip computer display.

1. If "dEF" is displayed, replace instrument cluster. See «INSTRUMENT CLUSTER, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/gauges-instrument-panels/#instrument-systems-cabriolet) .

Special tools and equipment

1. Special hook for front end 3370

Removing

Note. Do not disassemble instrument cluster.

1. Determining input values when replacing instrument cluster

Do this using vehicle diagnostic, testing and information system VAS 5051.

1. Pull steering wheel with adjusting mechanism fully out and move it downward.
2. Remove lower cover at instrument cluster to rear using 3370 special hook.
3. Disengage upper cover at instrument cluster.
4. Remove bolts -arrows-.
5. Remove instrument cluster to rear using 3370 special hook.
6. Unclip securing bracket of connectors -arrow-and disconnect connectors.

Installing

Installation is reverse of removal, paying attention to the following

1. After installation, perform a function test of the instrument cluster.
2. If the function test is OK, enter the input values for the instrument cluster

Do this using vehicle diagnostic, testing and information system VAS 5051.

Multi-pin connectors on instrument cluster

Note. All control lamps in instrument cluster are equipped with LEDs. Instrument cluster must be replaced when one control lamp fails.

1. Multi-pin connector 32-pin, green
2. Not assigned
3. Multi-pin connector 32-pin, blue

Multi-pin connector 32-pin, blue

1. Low washer fluid level
2. Low coolant level
3. Fuel gauge sensor
4. Coolant temperature
5. Push button circuit 2, navigation
6. Push button circuit 3, navigation
7. Push button circuit, Telematics
8. Menu switch
9. Not assigned
10. Hood switch
11. Fuel gauge sensor 2 (Quattro)
12. Menu selection switch (out A)
13. Not assigned
14. Not assigned
15. Not assigned
16. FDR/ASR (= ESP)
17. CAN comfort high
18. CAN comfort low
19. CAN Infotainment low
20. CAN Infotainment high
21. Outside temperature-input
22. S-contact
23. Oil level/oil temperature
24. Level control
25. Menu switch (Enter)
26. Not assigned
27. Not assigned
28. Menu switch (out B)
29. Not assigned
30. Transponder 2
31. Transponder 1
32. Terminal 31 (sensor)

Green 32-pin multi-pin connector

1. Terminal 58d
2. Terminal 30
3. Terminal 15
4. Not assigned
5. Speedometer input
6. Speedometer output 2
7. Airbag inverse
8. Right turn signal
9. Low brake fluid level
10. Left turn signal
11. Trailer turn signal
12. CAN powertrain low
13. CAN powertrain high
14. Terminal 61/charge indicator
15. Not assigned
16. Oil pressure 2
17. Terminal 58s
18. Terminal 31 load
19. Terminal 31 load
20. Not assigned
21. Speedometer output 1
22. ABS warning
23. K-wire
24. CAN powertrain screen
25. Tank cap switch
26. CAN-Diagnostic low
27. CAN-Diagnostic screen
28. CAN-Diagnostic high
29. Automatic vertical headlight aim control system
30. Belt buckle
31. Outside buzzer
32. Brake pad wear

Vehicles with front wheel drive

Fuel gauge sensor is located in luggage compartment, front right.

1. Remove luggage compartment lining.
2. Remove cover for connector flange -arrows-.
3. Carefully disengage and unplug electrical 4-pin harness connector -arrow-.

Terminal assignment of the 4-pin connector on fuel gauge sender

1. B+ activation of electrical fuel pump
2. Wire connection from fuel gauge sender to instrument cluster (fuel gauge)
3. Ground (GND) from sender for fuel gauge sensor (sensor Ground)
4. Ground (GND) electrical fuel pump

Vehicles with all wheel drive

Fuel gauge sensor is located under rear seat bench.

1. Remove rear seat bench.

See REAR SEAT BENCH, ASSEMBLY OVERVIEW .

Fuel gauge sensor I -G

1. Remove cover for right sealing flange -arrows
2. Carefully disconnect and unplug electrical 4-pin harness connector -arrow-, right side of vehicle.

Terminal assignment of 4-pin connector on fuel gauge sensor I -G

1. B+ activation of electrical fuel pump
2. Wire connection from fuel gauge sender to instrument cluster (fuel gauge)
3. Ground (GND) connection for fuel gauge sensor (sensor Ground)
4. Ground (GND) electrical fuel pump

Fuel Level Sensor 2 -G169

1. Remove cover for right sealing flange -arrows-.
2. Carefully disconnect and unplug electrical 4-pin harness connector -arrow-, right side of vehicle.

Terminal assignment of the 4-pin harness connector at fuel level sensor 2 -G169

1. Not assigned
2. Wire connection from fuel gauge sensor to instrument cluster (fuel gauge)
3. Ground (GND) for fuel gauge sensor (sensor Ground)
4. Not assigned

See also:
• BATTERY DISCONNECT PRECAUTIONS
• REAR SEAT BENCH, ASSEMBLY OVERVIEW
• INSTRUMENT CLUSTER, REMOVING AND INSTALLING