BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car



BMW E30
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
- 13. Electric equipment
   13.1.2. Search of malfunctions
   13.1.3. Safety locks
   13.1.4. Relay
   13.1.5. Breaker of indexes of turn / alarm system
   13.1.6. Switches on a steering column
   13.1.7. Ignition lock
   13.1.8. Receiver
   13.1.9. Antenna
   13.1.10. Guard of devices
   13.1.11. Payment SI (index of maintenance)
   13.1.12. Headlights – replacement of lamps
   13.1.13. Adjustment of headlights
   13.1.14. Headlight case
   13.1.15. Replacement of lamps
   13.1.16. Screen wiper electric motor
   13.1.17. Heater of back glass
   13.1.18. Safety cushions
   13.1.19. System cruise control
   13.1.20. The central locking system
   13.1.21. Electric stelokpodjemnik
   - 13.2. Electrical circuitries
      13.2.1. Systems of start-up, akuumulyator charge, indexes of turns
      13.2.2. Headlights / back lamps
      13.2.3. Diagnostics block
      13.2.4. Guard of devices and lighter
      13.2.5. Control system of the Motronic engine
      13.2.6. System cruise control
      13.2.7. Central lock, security alarm system, on-board computer
      13.2.8. Washer of headlights
      13.2.9. Power windows
      13.2.10. Heater and conditioner
      13.2.11. Heaters of seats
      13.2.12. The electric drive of seats with the memory block
      13.2.13. The electric drive of seats without memory block
      13.2.14. Receiver and audio system
      13.2.15. System of injection of L-Jetronic fuel
+ 14. Useful tips



13.2.7. Central lock, security alarm system, on-board computer

GENERAL INFORMATION

1. Contact socket
2. The contact socket for connection of the service equipment
3. Contact socket of the control unit of the central lock
4. The control unit of the central lock (a face payment on a forward rack of a body)
5. The contact socket of a wire from the lock
driver's doors
6. The socket 13-contact from the control unit
the central lock to conducting of a door of the driver
7. The contact socket from the control unit
the central lock to conducting of a door of the passenger
8. The contact socket from проводкм the lock
the driver's doors to the switch
9. Switch of the central lock /
stopornyymekhanizm (it is mounted on the lock
driver's doors)
10. Socket 6-contact electric drive
lock of a door of the driver
11. Electric drive of the lock of a door of the driver
12. Contact socket of the microswitch
lock of a door of the passenger
13. Microswitch of the lock of a door of the passenger
14. Contact socket of the electric drive of the lock of a door of the passenger
15. Electric drive of the lock of a door of the passenger
16. Socket 6-contact trunk lid lock electric drive
17. Trunk lid lock electric drive
18. Socket 6-contact electric drive of the lock of a jellied mouth of a tank
19. Electric drive of the lock of a jellied mouth of a tank
20. Contact socket of the electric drive of the lock of a back left door
21. Electric drive of the lock of a back left door
22. Socket 6-contact electric drive of the lock of a back right door
23. Socket 7-contact conductings back
right door
24. Socket 7-contact conductings of a back left door
25. Electric drive of the lock of a back right door
26. Switch of a heater of back glass
27. The control unit of the security alarm system (at the left on a steering column)
28. Socket 26-contact control unit of the security alarm system
29. Socket 4-contact conductings of the assembly block of the relay
30. Socket 4-contact control unit of the security alarm system
31. Contact socket of the main thing
plait of wires
32. Light-emitting diode of the security alarm system
33. Contact socket of lighting of the luggage compartment
34. Lighting lamp of the luggage compartment
35. Trailer switch of a forward left door
36. Trailer switch of a forward right door
37. Trailer switch of back
left door
38. Trailer switch of back
right door
39. Trailer switch of luggage
offices
40. Trailer switch of a cowl
41. Heater of back glass
42. Contact socket of conducting of the onboard computer / security alarm system
43. Sound signal
44. Contact socket of a light-emitting diode
45. Diode
46. Contact socket of conducting of the security alarm system / central lock
47. The sound alarm system (at the left on a steering column)
48. Contact socket of the sound alarm system
49. Contact socket of conducting of a control system of the L-Jetronic engine
50. Ignition lock
51. Remote switch of an onboard komp.ter
52. The contact socket of a wire from the air temperature sensor to the on-board computer
53. The contact socket of a wire to the air temperature sensor
54. Air temperature sensor
55. Contact socket of a wire of an additional heater of the external antenna
56. The control unit of heating of the parked car (is under the right seat)
57. Contact socket of the control unit
58. The relay of a heater of the parked car
59. Contact socket of conducting of the onboard computer / additional heater
60, 61. Contact socket of conducting of a guard of devices
62. The on-board computer (is on the right on a guard of devices)
63. Contact socket of the on-board computer
64. Contact socket of a guard of devices
65. Guard of devices
66. Contact socket of a guard of devices
67. Contact socket of the digital watch
68. Contact socket of a wire of a heater
69. Contact socket of conducting of the fuel pump
70. Contact socket of conducting of a heater
71. Additional resistor of a heater
72. Temperature sensor
73. Heater electric motor
74. The switch of a heater of the parked car at an overheat
75. An insert of a heater of the parked car
76. Heater block
77. Fuel pump
78. Contact socket of the remote switch of the on-board computer
79. The contact socket of the regulator of loudness depending on speed
80. Contact socket of a wire cruise control
81. Fuel level sensor
82. Speed sensor
83. Socket 4-contact wires of the digital watch
84. Socket 2-contact wires of the digital watch
85. Digital watch