BMW:: 5th E28/E34 series:: System of onboard electric equipment

1. Cars of the BMW 5-brand of a series
2. Engine
3. Cooling system
4. Power supply system
5. System of ignition
6. Control systems of the engine and decrease in toxicity of the fulfilled gases
7. System of production of the fulfilled gases
8. Coupling
9. Manual Box of Gear Shifting (MBGS) and automatic transmission (AT)
10. Transmission line
11. Steering and suspension bracket
12. Brake system
13. Body
14. Control body sizes
15. Heater and conditioner of air
16. System of onboard electric equipment
- 16.1. General information
- 16.2. The general information on search of malfunctions in electric chains
- 16.3. Removal and installation of the rechargeable battery
- 16.4. Check of a state and replacement of wires of the battery
- 16.5. General information on safety locks
- 16.6. General information on the relay
- 16.7. General information about system of a charge and precautionary measure during the work with it
- 16.8. Check of system of a charge
- 16.9. Removal and installation of the generator
- 16:10. Replacement of the regulator of tension
- 16:11. Check and replacement of brushes of the generator
- 16:12. General information about system of start of the engine and a precautionary measure
- 16:13. Check of a starter on the car
- 16:14. Removal and installation of a starter
- 16:15. Removal and installation of the traction relay
- 16:16. Check and replacement of breakers of indexes of turn and alarm system
- 16:17. Removal and installation of switches on a steering column
- 16:18. Removal and installation of the lock of ignition
- 16:19. Removal and installation of the radio receiver
- 16:20. Removal and installation of the antenna
- 16:21. Removal and installation of components of an instrument guard
- 16:22. General information on the panel of alarm lamps of a reminder on the term of service (SI)
- 16:23. Replacement of lamps in head headlights
- 16:24. Adjustment of a beam of head headlights
- 16:25. Removal and installation of the case of a head headlight
- 16:26. Replacement of lamps
- 16:27. Removal and installation of the motor of a screen wiper of windshield / glass of a door of a back
- 16:28. Check of work and repair of a heater of back glass
- 16:29. General information on an auxiliary security system (SRS)
- 16:30. Description and check of work of a control system of the speed (tempostat)
- 16:31. Description and check of work of system of the central blocking of doors
- 16:32. Description and check of work of system of power windows
- 16:33. Diagnostics of malfunctions of a suspension bracket of back wheels
17. Routine maintenance of the car
18. Size table and adjusting data
19. Schematic electric circuits
20. Governing bodies and methods of operation
21. System of onboard diagnostics - the principle of functioning and codes of malfunctions

16. System of onboard electric equipment

General information

Electric system of this car - twelve-volt, with a negative wire of grounding. Energy to lighting and other electric devices arrives from the lead-acid rechargeable battery which is charged with the generator.

In this Chapter procedures of repair and service of various electric components are described.

To prevent short circuits in chains, ignitions and possible injuries, before check, repair or replacement of electric components always disconnect a negative wire of the battery.

If the radio receiver on your car is equipped with system of protection against theft, make sure that you gathered the correct code before disconnecting a battery wire. Apply for information in the Section System of Protection of the Audio System from theft and language of an instrument guard before a wire detachment.

If after accession of a wire on your instrument guard there were inscriptions not in that language which is necessary to you, address the Section System of protection of the audio system against theft and language of an instrument guard where the procedure of installation of the necessary language is described.