Hyundai Matrix service from 2002 to 2006 of release
1. Operation and car maintenance
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
8.1. General information
8.2. External elements of a body
8.3. System of passive safety
8.3.1. General information
8.3.2. Precautionary measures
8.3.3. Electric system
8.3.4. The module of a safety cushion and the device for a naduvaniye of an airbag (gas generator)
8.3.5. Plait of wires of SRS
8.3.6. Activation of a control lamp of SRS
8.3.7. Hour spring
8.3.8. System of definition of presence of the passenger on a forward seat (PPD)
8.3.9. Sensor of lateral blow
8.3.10. Removal and check of the module of a face-to-face safety cushion of the driver (DAB)
8.3.11. Removal of the module of a safety cushion of the passenger (PAB)
8.3.12. Prednatyazhitel of seat belts (gas generator)
8.3.13. Removal of a prednatyazhitel
8.4. Heater and conditioner
8.5. Tables
9. Electric equipment schemes
 







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8.3.7. Hour spring

The hour spring (slip ring) consists of two current-carrying windings. The spring is established on a steering column and a steering wheel. Thus at rotation of a steering wheel continuous electric contact between modules of a safety cushion and system of passive safety is carried out.
For the correct work of an hour spring the steering wheel should be correctly established on a steering column (combination of the central provision of operated wheels and an hour spring). Otherwise the hour spring can be damaged.

Hour spring
Fig. 8.43. Hour spring


Components of an hour spring
Fig. 8.44. Components of an hour spring




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8.3.6. Activation of a control lamp of SRS
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8.3.8. System of definition of presence of the passenger on a forward seat (PPD)