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Key to the instrument panel diagram
| Index | Schematic element | Coordinates |
| A1 | Combination device | 21A |
| A1e1 | Flashing light indicator, left | 11A |
| A1e2 | Flashing light indicator, right | 10A |
| A1e3 | High beam indicator | 9A |
| A1e5 | Battery charge indicator/alternator warning light | 9A |
| A1e6 | Warning light of the brake lining wear limit indicator | 30A |
| A1e7 | Brake fluid level/parking brake warning light | 8A |
| A1e11 | Coolant level indicator light | 30A |
| A1e12 | Oil level indicator | 8A |
| A1e13 | Windscreen washer fluid level indicator | 30A |
| A1e14 | Indicator of failure of incandescent lamps | 7A |
| A1e15 | SRS Air Bag Indicator/Warning Light | 29A |
| A1e17 | ABS warning light | 28A |
| A1e21 | ASR system operation indicator | 31A |
| A1e22 | ASR system warning light | 31A |
| A1e24 | ASD system signal light | 31A |
| A1e25 | ASD Functionality Indicator | 31A |
| A1e26 | CHECK ENGINE indicator | 32A |
| A1e27 | ADS indicator, suspension | 28A |
| A1h1 | Warning noise indicator | 16B |
| A1p1 | Coolant temperature indication | 17C |
| A1p2 | Fuel level indicator device | 16C |
| A1p4 | Outdoor temperature indication | 27B |
| A1p5 | Tachometer (speedometer) | 26C |
| A1p6 | Electronic clock | 27C |
| A1p8 | Electronic speedometer (tachometer) | 17B |
| A1r1 | Adjusting resistor for instrument lighting | 15A |
| A2 | Radio tape recorder | 14M |
| A7 | Hydraulic unit of the ABS system | 31M |
| A7/3 | Hydraulic unit of the ASR system | 32M |
| A37/2 | Pneumatic control unit, centrally controlled door lock system (ZV) | 27M |
| A37/4 | Pneumatic control unit, centrally controlled door locking system (ZV), vacuum maintenance in the intake manifold (SRU) | 27M |
| B4/1 | Fuel level indicator sensor in the left half of the tank | 26M |
| B4/2 | Fuel level indicator sensor in half tank on the right | 25M |
| B13 | Coolant temperature indicator temperature sensor | 20M |
| E3 | Rear side light left | 13M |
| E3e1 | Flashing light | 13M |
| E4 | Rear side light on the right | 13M |
| E4e1 | Flashing light | 14M |
| E6/1 | Left turn signal light | 12M |
| E6/1e1 | Flashing light | 12M |
| E6/2 | Right turn signal light | 11M |
| E6/2e1 | Flashing light | 11M |
| E15/2 | Ceiling light with delayed switch-off and reading light in front | 29M |
| E19/1 | Left license plate light | 16M |
| E19/2 | Number plate light right | 17M |
| F1/1 | 12-slot fuse socket, in fuse box and in relay box | F1 |
| F1/1-4 | Fuse 4, terminal 30 | 19H |
| F1/1-6 | Fuse 6, terminal 15 | 6L |
| F1/1-12 | Fuse 12, terminal 15 | 6L |
| F3 | 18-slot fuse socket in fuse box and relay box | F1 |
| F3-19 | Fuse 19, terminal 56a | 7L |
| F3-25 | Fuse 25, terminal 56a | 6L |
| F3-26 | Fuse 26, terminal 15R | 23H |
| G2 | Generator | 3A |
| N₂/2 | Control unit of the GUS system with an inflatable safety airbag AB | 33M 34M |
| N3/4 | Hot Film Management (HFM) Engine Control System | 21M 22M |
| N 3/6 | RMC (Reluctance Motor Control) Control Unit | 23M 24M |
| N7 | Lamp control device | 4A |
| N10 | Combination relay (flashing light, heated rear window, windscreen washer motor) | 9M |
| N₂6 | Control device of the anti-theft device burglar alarm system | 30M |
| N30 | Anti-lock braking system control device | 1A 30M |
| N30/1 | ASR system control unit | 2A 5A 32M 38M |
| N30/2 | Automatic differential lock control unit | 2M 39M |
| R3 | Cigarette lighter with ashtray lighting in front | 15M |
| RSe1 | Lighting | 15M |
| R3x1 | Cigarette lighter plug connection | 15K |
| S1 | Rotary light switch | 18M |
| S4 | Combination switch | 10M |
| S4s1 | Turn signal switch | 10M |
| S4x1 | Plug connection of combination switch | 9I |
| S6 | Hazard warning light switch | 8M 19M |
| S8/1 | Warning noise signal (buzzer) contact | 26M |
| S9/1 | Brake light switch, 4-pole, | 4M |
| S10/1 | Contact sensor for brake lining wear, front left | 35A 38A |
| S10/1x1 | Plug connection for brake lining wear sensor, front left | 35C 38C |
| S10/2 | Contact sensor for brake lining wear, front right | 34A 37A |
| S10/2x1 | Plug connection for brake lining wear sensor, front right | 34C 37C |
| S10/3 | Contact sensor for wear of friction brake linings, rear left | 36M |
| S10/4 | Brake lining wear contact sensor rear right | 36M |
| S11 | Brake fluid level control switch | 39A |
| S12 | Brake control switch, parking brake system | 6A |
| S17/3 | Door light switch in the body, front left | 27M |
| S17/4 | Door light switch in the body, front right | 28M |
| S41 | Coolant level control switch | 33A |
| S42 | Windscreen washer fluid level control switch | 32A |
| S43 | Oil level control switch | 4A |
| U67 | Valid for taxi | |
| U68 | Valid until 06.1993. | |
| U69 | Valid since 07.1993. | |
| W1 | The bulk (behind the combination instrument) | |
| W6 | Trunk weight (wheel rotation to the left) | |
| W7 | Trunk weight (wheel rotation to the right) | |
| W16/3 | Mass of aggregate space on the left, specific gravity | |
| W16/4 | Mass of the aggregate space on the right, specific gravity | |
| W18 | Seat frame cross member weight front left | |
| W19 | Front right seat frame crossmember mass, ground connection point without designation, structural element located directly on the engine, chassis or body | |
| X11/4 | Test coupling for technical diagnostics | 21I 22I 23I 34I |
| X11/18 | Plug connection between the electronic accelerator pedal and the body | 35N |
| X18 | Plug connection between interior and rear light wiring harness | 11F 27I 17H |
| X20/2 | Intermediate plug connection of the foot brake mechanism of the parking brake system | 6E |
| X24 | Plug connection of wiring harness to rear side lights, 6-pin | 11H |
| X26 | Plug connection between the interior and the engine, | 3G 20H 21H 22H 23H 24H |
| X26/9 | Plug connection between interior and units, 8-pole | 2G |
| X26/25 | Plug connection between engine and body, 24-pin | 3E 20I |
| X28/12 | Intermediate plug connection for the passenger airbag next to the driver | 33N |
| X62/1 | Plug connection speed sensor/brake lining wear indicator (BBV) rear axle left | 35K |
| X62/2 | Plug connection speed sensor/brake lining wear indicator (BBV) rear axle right | 36K |
| X62/3 | Plug connection rear axle speed sensor, ASR system, 6-pin | 36N |
| X62/12 | Front Overspeed Signal Wire Connector, Single Pole | 27F 37I |
| Z2 | TD End Sleeve | 22I |
| Z23 | ABS control end sleeve, powered by ASR control unit, 32I | |
| Z30/1 | The end sleeve of the flashing light signaling device on the left is powered by a combination relay | 12H |
| Z23/2 | ASR control end sleeve | 32I 39I |
| Z30/2 | The end sleeve of the flashing light signaling device on the right is powered by a combination relay | 14H |
| Z81 | Terminal end sleeve 58d | 16F |
| Wire diameters may differ from those shown | ||
| Current wiring changes are outlined in a box | ||