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BMW 3 Series E30since 1983-1994 releaseRepair and operation of the car |
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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 + 14. Useful tips |
13.1.18. Safety cushions
Pneumosafety sitema sensor arrangement
Late models are equipped with system of pneumosafety (SRS system) which is intended for protection of the driver in case of collision. Are a part of system the packed pillow mounted in the form of the module in the center of a steering wheel, 2 sensors of shock loading strengthened on forward mudguards in a motor compartment and the safety sensor which is in salon. The device of forcing is under a pillow and is connected to it an opening through which gas at receipt of an electric signal is supplied. The signal is given on the cable winded in a flexible spiral around a wheel shaft. 2 sensors at blow with the set force close a chain. Operation of the device of gas emission happens only at short circuit of contacts of the safety sensor on which signals from 2 sensors of shock loading arrive. The block which contains the safety sensor provides check of a condition of system of pneumosafety. The control lamp of system (AIRBAG lamp) at first lights up and at serviceable system dies away. If the system is faulty, then the lamp continues to burn or blink. In this case the car should be handed over immediately in car service for check. |
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