1986-1991 Audi 80/90 (B3) Fuse Box Diagram
Fuse Block
| No. | A | Description | |
|---|---|---|---|
| 1 | 15 | Fog lights, rear fog light | |
| 2 | 15 | Emergency flashers | |
| 3 | 25 | Horn, brake lights | |
| 4 | 15 | Reading lights, luggage compartment, cigar lighter, interior lights, make-up mirror, Board Computer, radio, clock, auto climate control, alarm system | |
| 5 | 30 | Radiator cooling fan | |
| 6 | 5 | Side marker, park lights, right | |
| 7 | 5 | Side marker, park lights, left | |
| 8 | 10 | Hi-beam headlight, right, hi-beam indicator light | |
| 9 | 10 | Hi-beam headlight, left | |
| 10 | 10 | Low beam headlight, right | |
| 11 | 10 | Low beam headlight, left | |
| 12 | 15 | Instrument cluster, back-up lights, Auto-Check, cruise control, ABS, Board Computer, differential locks, electronic thermoswitch, throttle valve time control unit, radiator cooling fan after-run control unit | |
| 13 | 15 | Fuel pump, warm-up regulator | |
| 14 | 5 | Glove compartment, engine compartment, license plate lights | |
| 15 | 25 | Windshield wipers, thermoswitch, radiator cooling fan, turn signals, A/C pressure switch | |
| 16 | 30 | Rear window heat element, outside mirror heat element | 30 |
| 17 | 30 | Fresh air blower, A/C | |
| 18 | 5 | Power mirrors, rear window wiper (Coupe) | |
| 19 | 10 | Central locking system, heated lock system | |
| 20 | 30 | Radiator cooling fan (step 1), radiator cool fan after-run | |
| 21 | 10 | Diagnostic | |
| 21 | 25 | Rear cigar lighter | |
| 22 | - | - | |
| 23 | 30 | Power seats with memory, power seat control unit | |
| 24 | 10 | Engine control I | |
| 25 | 30 | Heated seats | |
| 26 | 5 | Daytime driving lights (Canada) | |
| 27 | 10 | Engine control I (from September, 1987) | |
| 28 | 15 | Engine control II | |
| 29 | 15 | Spare fuses | |
| Relay | |||
| I | Fog lights, J5 | ||
| II | up to 1990: Radiator cooling tan (stage 2), J101
from 1990: - |
||
| III | Radiator cooling fan after-run control unit, J138 | ||
| IV | up to 1990: -
from 1990: Headlight washer system, J39 |
||
| V | Load reduction relay, J18 | ||
| VI | up to 1990: A/C fresh air blower, J11
from 1990: Radiator cooling fan high speed relay, J101 |
||
| VII | Horn, J4 | ||
| VIII | Bridge between contact 36 and 38 for manual transmissions
Auto transmission, J60 |
||
| IX | Intermittent washer/wiper, J31 | ||
| X | Fuel pump, J17 | ||
| XI | Radiator cooling fan (stage 1), J26 | ||
Auxiliary relay panel
| No. | Description |
|---|---|
| 1 | ABS system, J156 |
| 2 | Seat belt, radio, parking light warning, J152 |
| 3 | Interior light control unit, J140 |
| 4 | A/C clutch control unit, J153 |
| 5 | - |
| 6 | Dynamic oil pressure warning (without Auto-Check), J114
Lamp control unit, front (with Auto-Check), J123 |
| 7 | - |
| 8 | - |
| 9 | - |
| 10 | - |
| 11 | - |
| 12 | Circuit breaker (power seats with memory, power windows, power sunroof), S43 |
| 13 | Seat heater control unit, passenger. J132 |
| 14 | Seat heater control unit, driver, J131 |
| 15 | Sunroof relay, J139
Sunroof and power window control unit, J139 |
| 16 | Sunroof and power window control unit, J139 |
| 17 | Wire distributor adaptor, (optional equipment connector) |
| 18 | - |