VW Passat repair


+ 1. Ekspluatatsiiya of the car
+ 2. Maintenance
+ 3. Engines
+ 4. Cooling system
+ 5. Power supply system
+ 6. System of ignition
+ 7. Coupling
+ 8. Transmission
+ 9. Drive of forward wheels
+ 10. Suspension brackets
+ 11. Steering
+ 12. Brake system
+ 13. Wheels and tires
+ 14. Systems of heating, ventilation and conditioning
- 15. Electric equipment
   + 15.1. Technical characteristics
   15.2. Security measures during the work with electric equipment
   + 15.3. Detection of not closed chain
   + 15.4. Rechargeable battery
   + 15.5. Generator
   + 15.6. Starter
   15.7. Block of safety locks and relay
   15.8. Replacement of the lock of ignition
   + 15.9. Switches
   + 15:10. Combination of devices
   + 15:11. Internal lighting and lighter
   + 15:12. Headlights
   + 15:13. Screenwash
   15:14. Windshield washers
   15:15. Cleaner of back glass
   - 15:16. Central lock
      15.16.1. Search of malfunctions in the vacuum and delivery highway
      15.16.2. Vacuum and delivery pump
      15.16.3. Activators of door locks
   + 15:17. Hatch
+ 16. Body
+ 17. Electric circuits



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Repair Volkswagen Passat B3-B4/Passat B3-B4>> Electric equipment>> Central lock>> Search of malfunctions in the vacuum and delivery highway

Fig. 15.63. Device of vacuum and delivery system. On an insert the option for cars the versatile person is shown: 1, 12 – the vacuum and delivery pump; 2, 4, 9, 15 – a tee; 3 – activator of a back door; 5 – main activator of a forward door; 5 – a depression hose / raised davenuya; 7 – the direction to activators of doors; 8 – activator of a door of a bulk mouth of the fuel tank; 10 – cover; 11 – activator of a back door; 13 – activator of a stopper of a bulk mouth of the fuel tank; 14 – trunk lid activator; 16 – bellows-sealed connections


At serviceable system all locks have to be locked within about two seconds. If the pump works more than 5 with, or any of activators does not put the lock in action, then the refusal indicator will work. In fig. 15.63 the device of vacuum and delivery system is shown.
At the serviceable electric circuit of the central lock tightness of units and the highway of pneumatic system can be checked by means of the pump. For this purpose it is necessary to block consistently separate parts of the highway and to check operation of locks until the untight site is found.

Fig. 15.64. Detection of leak in pneumatic system by method of consecutive overlapping magistrali:1 – a pneumatic system branch; 2 – tee


For overlapping of hoses of system clips (fig. 15.64) are used . If after overlapping of the highway in any place malfunction disappears and locks begin to work, then that part of the highway which is cut from the pump by a clip is untight.