Connections with «weight» and connections to the power source (circled)
| 1 | Ground cable, battery/body |
| 2 | Ground cable, gearbox/motor |
| 12 | Ground location, in the engine compartment, on the left, under the battery |
| 13 | Ground location, in the engine compartment of the engine, on the right |
| 15 | Ground location, on the cylinder head |
| 29 | Ground location, near brake booster |
| 30 | Ground location -1-, next to relay circuit board (connection with «weight») |
| 32 | Earth location, behind the instrument panel, on the left |
| 33 | Ground location, behind the instrument panel, on the right |
| 42 | Connector, 42-pin, in engine, left |
| 44 | Ground location, A-pillar, bottom left |
| 45 | Ground location, behind instrument panel, center |
| 57 | Ground location, door jambs, rear left |
| 68 | Connector, 68-pin, in Motronic control unit |
| 71 | Ground location, front roof tire |
| 81 | Earth connection -1-, on switch harness (switchboard) |
| 84 | Ground connection, engine block, in wiring harness, right |
| 85 | Ground connection -1-, in engine wiring harness |
| 86 | Ground connection -2-, in rear wiring harness |
| 98 | Earth connection, in rear door wiring harness |
| 119 | Ground connection -1-, in headlight wiring harness |
| 120 | Earth connection -2-, in headlight wiring harness |
| 128 | Earth connection -1-, in wiring harness for interior lighting |
| 135 | Earth connection -2-, in control panel wiring harness |
| 137 | Ground connection (output stage), in Motronic wiring harness |
| 138 | Ground connection (control device), in Motronic wiring harness |
| 139 | Ground connection (mass sensor), in Motronic wiring harness |
| 156 | Earth connection, in injection harness |
| 196 | Ground connection -3-, in rear wiring harness |
| 220 | Ground connection (mass sensor), in the wiring harness of the engine compartment of the engine |
| 247 | Ground connection (anti-theft device) in the instrument panel wiring harness |
Designation of elements of electrical circuits
| A | Accumulator battery |
| A1 | positive connection (30a) in the instrument panel wiring harness |
| A4 | positive connection (58b), in the instrument panel wiring harness |
| A9 | positive connection (56b), in the instrument panel wiring harness |
| A20 | Compound (15a), in the instrument panel wiring harness |
| A32 | positive connection (30), in the instrument panel wiring harness |
| A60 | Compound (speed signal), in the switch harness (switchboard) management |
| A76 | Connection, in instrument panel wiring harness |
| A78 | Connection, in instrument panel wiring harness |
| A80 | Positive connection -1- (X), in the instrument panel wiring harness |
| A81 | Positive connection in instrument panel wiring harness |
| A82 | Compound (window heating), in the wiring harness on the instrument panel |
| B | Starter |
| C | Generator |
| C1 | Voltage regulator |
| C12 | Positive connection -1-, in headlamp wiring harness |
| C15 | connection -1-, in headlight wiring harness |
| C16 | connection -2-, in headlight wiring harness |
| C19 | Connection -1- (turn signal lamp, right), in the headlight wiring harness |
| C20 | Compound (turn signal lamp, left), in the headlight wiring harness |
| C25 | Compound (fog lights), in the wiring harness of the front lighting |
| C27 | Positive connection -2- (30), in the headlight wiring harness |
| C28 | Connection -1- (56b), in the headlight wiring harness |
| C29 | Connection -2- (56b), in the headlight wiring harness |
| C30 | Connection -2- (turn signal lamp, right), in the headlight wiring harness |
| C33 | Connection -5-, in headlamp wiring harness |
| D | Ignition and starter switch |
| D2 | Reading winding, anti-theft device |
| D17 | Positive connection -1- (15), in the engine wiring harness |
| D50 | positive connection (30), in the wiring harness of the engine compartment of the engine |
| D52 | positive connection (15a), in the wiring harness of the engine compartment of the engine |
| D70 | Compound (53a) in the wiring harness of the engine compartment of the engine |
| E1 | Switch |
| E2 | Turn signal switch |
| E3 | Switch, alarm |
| E4 | Dipped headlight / signal light |
| E6 | Positive connection -1- (15), in Motronic wiring harness |
| E7 | positive connection (87a), in Motronic wiring harness |
| E9 | Switch, fresh air fan |
| E19 | Switch, sidelights |
| E20 | Switch and instrumentation, lighting |
| E22 | Switch, interval modes |
| E23 | Switch, fog lights |
| E102 | Device for changing position, adjusting the range of light |
| E109 | Memory switch for multi-function display |
| E159 | Switch, fresh air and circulating air |
| E161 | Switch, heated rear window and outside rear view mirror |
| E180 | Switch, heated windshield |
| F | Brake light switch |
| F1 | Oil pressure switch |
| F2 | Door contact light switch, driver's side |
| F3 | Door contact light switch, attendant's side |
| F4 | Reversing light switch |
| F8 | Throttle hard depress switch |
| F10 | Door contact light switch, rear left |
| F11 | Door contact light switch, rear right |
| F22 | Oil pressure switch (0.3 bar) |
| F25 | Connection -1-, in the wiring harness of the injection system |
| F26 | Connection, in injection harness |
| F31 | Compound (glow plug engine), in the wiring harness of the injection system |
| F32 | Compound (coolant heating element), in the wiring harness of the injection system |
| F33 | positive connection (30), in the wiring harness of the injection system |
| F34 | Warning contact, brake fluid |
| F36 | Clutch pedal switch |
| F38 | Outdoor temperature switch (with water heating D3W) |
| F47 | Brake pedal switch |
| F60 | Idle switch |
| F160 | Door contact light switch, rear door |
| F214 | Switch, engine room lighting |
| G | Fuel level sensor |
| G1 | Fuel consumption meter |
| G2 | coolant temperature sensor |
| G3 | Remote thermometer |
| G5 | Tachometer |
| G6 | Fuel pump |
| G8 | Oil temperature sensor |
| G17 | Outdoor temperature sensor |
| G21 | Speedometer |
| G22 | speedometer sensor (hall sensor on gearbox) |
| G28 | Engine speed sensor |
| G32 | Sensor, insufficient coolant |
| G39 | Lambda probe |
| G40 | Hall Sensor |
| G61 | knock sensor I |
| G62 | coolant temperature sensor |
| G66 | knock sensor II |
| G69 | Throttle Potentiometer |
| G70 | Mass Air Volume Sensor |
| G72 | intake pipe temperature sensor |
| G79 | Gas pedal position sensor |
| G80 | Needle lift sensor |
| G81 | Fuel temperature sensor |
| G88 | Throttle valve adjuster |
| G98 | EGR temperature sensor |
| G149 | Modulated piston motion sensor |
| H | Alarm push button |
| H1 | Additional sound signal |
| H11 | Audible buzzer, oil pressure control |
| J | Engine control unit, behind instrument panel, left |
| J2 | Relay, alarm |
| J4 | Relay, auxiliary horn |
| J5 | Relay, fog lights |
| J6 | Voltage regulator |
| J9 | Relay, heated rear window |
| J17 | Fuel pump relay |
| J30 | Rear wiper relay |
| J31 | Relay, Interval Mode/Washer |
| J33 | Headlamp relay, above relay circuit board |
| J47 | Relay, heated windshield |
| J52 | Glow plug relay |
| J59 | Unload relay for contact X |
| J119 | Multifunction indicator |
| J138 | Fan operation controller, in the engine compartment of the engine, on the left |
| J152 | Buzzer, light on |
| J162 | Cabin heating control device (with water heating D3W) |
| J164 | Disconnect Relay, preheated air fan |
| J220 | Motronic control unit |
| J248 | Injection control unit, behind instrument panel, left |
| J271 | Electric current relay |
| J285 | Control device with indication, switch (switchboard) |
| J299 | Relay for secondary air |
| J317 | Electric current supply relay |
| J338 | Throttle control part |
| J359 | Heating output relay, low temperature |
| J360 | Heating output relay, high temperature |
| J361 | Simos control unit, behind the instrument panel, on the left (only ADY engine) |
| J362 | Anti-theft device control unit, behind the instrument panel, on the left |
| J363 | Electric current relay for Simos control unit (only ADY engine) |
| J384 | Wiper motor unload relay |
| J385 | Control device with indication |
| J400 | Controller for wiper motor, on wiper motor |
| K1 | High beam warning lamp |
| K2 | charging lamp |
| K3 | Oil pressure warning light |
| K4 | Warning light, parking lights |
| K6 | Warning light, emergency signal |
| K7 | Warning light, brake system |
| K10 | Warning light, rear window |
| K13 | Warning light, rear fog light |
| K17 | Warning light, fog lights |
| K28 | Signal lamp of insufficient amount of coolant |
| K65 | Flashing control light, left |
| K94 | Flashing control light, right |
| K105 | Warning light, remaining fuel |
| K114 | Warning light, fresh air/circulating air |
| K122 | Warning light, windshield |
| L1 | Double filament bulb, headlight, left |
| L2 | Double filament bulb, headlight, right |
| L9 | Incandescent lamp, light switch |
| L10 | Incandescent lamp, switch (switchboard) |
| L15 | Incandescent lamp, ashtray |
| L16 | Incandescent lamp, fresh air control |
| L22 | Incandescent lamp, fog lamp, left |
| L23 | Incandescent lamp, fog lamp, right |
| L28 | Incandescent lamp, cigarette lighter |
| L29 | Incandescent lamp, lighting of the engine compartment of the engine |
| L39 | Incandescent lamp, rear window switch |
| L46 | Incandescent lamp, rear fog light, left |
| L47 | Glow lamp, rear fog light, right |
| L75 | Incandescent lamp, digital indicator |
| M1 | Incandescent lamp, side light on the left |
| M2 | Incandescent lamp, right rear position light |
| M3 | Incandescent lamp, side light on the right |
| M4 | Incandescent lamp, left rear position light |
| M5 | Incandescent lamp, front left turn signal |
| M6 | Incandescent lamp, turn signal, rear, left |
| M7 | Incandescent lamp, front right turn signal |
| M8 | Incandescent lamp, turn signal, rear, right |
| M16 | Incandescent lamp, reversing lamp, left |
| M17 | Incandescent lamp, reversing lamp, right |
| M18 | Incandescent lamp, left side light |
| M19 | Incandescent lamp, right position light |
| M21 | Stop lamp and tail light, left |
| M22 | Stop lamp and tail light, right |
| N18 | EGR valve |
| N24 | Resistance, fresh air fan |
| N30 | Nozzle, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N75 | Boost pressure control valve |
| N79 | A heating element (crankcase ventilation) |
| N80 | Solenoid valve 1, activated carbon cleaning system |
| N83 | Injector, cylinder 5 |
| N84 | Injector, cylinder 6 |
| N108 | Injection start control valve |
| N109 | Fuel shut-off valve |
| N112 | Inlet valve, secondary air system |
| N152 | high voltage transformer |
| N157 | Output stage, high voltage transformer (only ADY engine) |
| P | Plug wire to spark plug |
| Q | Spark plug |
| Q6 | glow plugs |
| R | Radio (radio tape recorder) |
| R2 | Compound (door contact light switch, left), in the wiring harness of the door light contact switches |
| R3 | Compound (door contact light switch right and left), in the wiring harness of the door light contact switches |
| R4 | Connection -1-, in wiring harness for interior lighting/door contact light switch |
| R6 | Positive connection -1-, in wiring harness for door light contact switches |
| S61 | Fuse, via hidden relay board |
| S109 | Fuse, coolant heating element |
| S125 | Fuse, glow plugs, above relay circuit board |
| S127 | Heated rear window fuse |
| S128 | Fuse for wiper motor |
| S130 | Fuse for secondary air pump |
| S143 | Fuse, coolant heating element |
| T1a | Simple plug block |
| T1d | Simple plug block |
| T1c | Simple plug-in block, behind the relay circuit board |
| T1f | Connector, 1-pin, near starter |
| T1o | Single plug, door jambs D, bottom left |
| T1v | Simple plug block |
| T1w | Simple plug block |
| T1x | Simple plug block |
| T1y | Simple plug block |
| T2 | Connector, 2-pin, on fresh air blower switch |
| T2a | Connector, 2-pin |
| T2b | Connector, 2-pin |
| T2c | Connector, 2-pin |
| T2d | Connector, 2-pin, near high pressure fuel pump |
| T2g | Connector, 2-pin, near washer nozzle, left |
| T2h | Connector, 2-pin, near washer nozzle, right |
| T2k | Connector, 2-pin, under door jamb trim D, bottom left |
| T3 | Connector, 3-pin, on the anti-theft control device |
| T3b | Connector, 3-pin, behind relay circuit board |
| T3d | Connector, 3-pin, near cylinder head cover |
| T3c | Connector, 3-pin |
| T3g | Connector, 3-pin, near starter |
| T3h | Connector, 3-pin, behind steering column switch trim |
| T3i | Connector, 3-pin, near cylinder head cover |
| T3j | Connector, 3-pin, high pressure fuel pump |
| T3k | Connector, 3-pin, on wiper motor, rear |
| T3m | Connector, 3-pin, near engine speed sensor |
| T4 | Connector, 4-pin, close to lambda probe |
| T4a | Connector, 4-pin, on fresh air fan resistance |
| T4b | Connector, 4-pin, in tail light, left |
| T4d | Connector, 4-pin, behind relay mounting plate |
| T4e | Connector, 4-pin, to left rear position light |
| T4fm | Connector, 4-pin, to right tail light |
| T5 | Connector, 5-pin, near wiper motor control unit |
| T5d | Connector, 5-pin, behind door frame D, bottom left |
| T5e | Connector, 5-pin, in high voltage transformer |
| T6 | Connector, 6-pin, on the anti-theft control device |
| T6a | Connector, 6-pin, rear of relay mounting plate |
| T6b | Connector, 6-pin |
| T6d | Connector, 6-pin, behind relay mounting plate |
| T6e | Connector, 6-pin, behind steering column trim |
| T6m | Connector, 6-pin, in roadblock control unit |
| T7d | Connector, 7-pin, behind headlight, left |
| T7e | Connector, 7-pin, behind headlight, right |
| T8 | Connector, 8-pin, on radio |
| T8b | Connector, 8-pin, behind left door frame A/dashboard shroud |
| T8d | Connector, 8-pin, on fresh air blower switch |
| T8e | Connector, 8-pin, behind relay mounting plate |
| T8f | Connector, 8-pin, behind door jamb trim D, bottom left |
| T8g | Connector, 8-pin, behind relay mounting plate |
| T8i | Connector, 8-pin, near high pressure fuel pump |
| T9a | Connector, 9-pin, in engine immobilizer, automatic transmission |
| T10 | Connector, 10-pin, on the light switch |
| T10a | Connector, 10-pin, behind relay circuit board |
| T12 | Connector, 12-pin |
| T16 | Connector, 16-pin, on ashtray body |
| T24 | Connector, 24-pin, in the engine on the left |
| T28 | Connector, 28-pin, on the switch (switchboard) |
| T28a | Connector, 28-pin, in engine, left |
| T28b | Connector, 28-pin, on engine, left (only ADY engine) |
| T42 | Connector, 42-pin, in throttle valve control |
| T68 | Connector, 68-pin, on Simos control unit (only ADY engine) |
| T68v | Connector, 68-pin, for Motronic devices |
| TV2 | Junction box for terminal 30, behind relay mounting plate |
| TV5 | Junction box for terminal 15a, behind the dashboard, on the left |
| TV8 | Junction box for terminal 58b, behind instrument panel, left |
| TV11 | Junction box for terminal 54, behind instrument panel, left |
| TV13 | Speed signal junction box, behind instrument panel, left |
| TV14 | Self-diagnosis box, behind the instrument panel, on the left |
| TV17 | Junction box for door contact light switch |
| U1 | cigarette lighter |
| U5 | 12-volt socket, in the boot space, rear left |
| V | wiper motor |
| V2 | Fresh air fan |
| V12 | Wiper motor, rear |
| V48 | Executive electric motor, left |
| V49 | Executive electric motor, right |
| V59 | Washer pump, front and rear |
| V60 | throttle control element |
| V101 | secondary air pump |
| W | Interior lighting, front |
| W1 | Interior lighting, trunk |
| W6 | Glove box lamp |
| W7 | Compound (right turn signal), in the rear wiring harness |
| W9 | positive connection (30), in the rear wiring harness |
| W13 | Compound (58L), in the rear wiring harness |
| W14 | Compound (58R), in the rear wiring harness |
| W15 | Connection -1- (trunk lighting), in the rear wiring harness |
| W18 | Trunk light, left |
| W19 | Connection -2- (trunk lighting), in the rear wiring harness |
| W35 | Trunk light, right |
| X | License plate lamp |
| Y2 | Electronic clock with digital readout, near interior lamp, front |
| Y4 | Daily trip counter |
| Z | Ground connection connection in the heated window wiring harness |
| Z1 | Heated rear window |
| Z2 | Heated windshield |
| Z6 | Positive connection in heated glass wiring harness |
| Z20 | Heated washer nozzle, left |
| Z21 | Heated washer nozzle, right |
Wire sheath color designations
- bl (blau) = blue
- br (braun) = brown
- ge (gelb) = yellow
- gn (grün) = green
- gr (gris) = gray
- li (violett) = purple
- ro (rot) = red
- sw (schwarz) = black
- ws (weiss) = white
List of fuses
- 30 A = grn (green)
- 15 A = blau (blue)
- 25 A = weiss (white)
- 10 A = rot (red)
- 20 A = gelb (yellow)
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