Conventional symbols for the electrical circuit of cars with gasoline engines produced since 1993
| 5 | Front cigarette lighter |
| 10 | Distributor |
| 15 | Alternator |
| 21 | Right horn |
| 35 | Battery |
| 40 | Instrument cluster |
| 45 | Ignition coil |
| 50 | Junction box |
| 100 | Spark plugs |
| 150 | Engine speed sensor |
| 170 | Flash frequency sensor |
| 183 | Heater fan switch |
| 210 | Light switch |
| 211 | Left switch |
| 212 | Right switch (wiper) |
| 213 | Parking light switch |
| 299 | Buzzer switch |
| 300 | Ignition switch |
| 301 | Glove box light switch |
| 310 | Left door contact switch |
| 311 | Right door contact switch |
| 314 | Reversing light switch |
| 315 | Switches on the handbrake lever |
| 317 | Low brake fluid level warning switch |
| 319 | Brake light switch |
| 350 | Starter |
| 384 | Glove compartment light |
| 391 | Left license plate light |
| 394 | Heater control panel backlight |
| 436 | Fuel shut-off solenoid valve |
| 484 | Rear fog light |
| 488 | Front left turn signal |
| 489 | Front right turn signal |
| 490 | Rear left turn signal |
| 491 | Rear right turn signal |
| 492 | Front right parking light |
| 493 | Front left parking light |
| 494 | Rear right parking/side light |
| 495 | Rear left parking/side light |
| 499 | Reversing light |
| 500 | Left side direction indicator |
| 501 | Right side turn signal |
| 540 | Fuses |
| 588 | Rear fog light switch |
| 589 | Flashing beacon switch |
| 650 | Fuel sensor |
| 671 | Oil pressure switch |
| 680 | Ignition module |
| 694 | Front windshield wiper |
| 720 | Left cooling system fan |
| 740 | Interior light, left rear |
| 741 | Right rear interior light |
| 742 | Interior light, middle |
| 750 | Left brake pad wear indicator |
| 751 | Right brake pad wear indicator |
| 757 | Windshield washer pump |
| 765 | Radio |
| 780 | Supplying power to additional heating |
| 783 | Diagnostic connector |
| 786 | Left high/low beam headlight |
| 787 | Right high/low beam headlight |
| 790 | Heater fan motor |
| 825 | Low beam headlight relay |
| 834 | High beam headlight relay |
| 859 | Heater fan motor ballast resistor |
| 910 | Coolant temperature sensor |
| 970 | Coolant temperature alarm switch |
| 971 | Temperature switch on the radiator |
Wire color designations
| A = | blue |
| B = | white |
| BL = | blue |
| G = | grey |
| J = | yellow |
| M = | brown |
| N = | black |
| O = | orange |
| R = | red |
| Ro = | pink |
| V = | green |
| Vi = | violet |
The cable harness layout diagram shows the location of the wire harnesses and the approximate location of consumers.
The circuit diagram shows various current circuits depending on their functions. These diagrams should be used when troubleshooting electrical equipment.
