Check of work and replacement of the switch of permission of the start / switch of fires of a backing. BMW the 5th E28/E34 series (from 1981 to 1993 of release)
Repair of BMW E28 and series E34 from 1981 to 1993
1. Cars of the BMW brand of 5-series
2. Engine
3. Cooling system
4. Power supply system
5. Ignition system
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 (RKPP) and automatic transmission (AT)
9.1. Manual box of gear shifting (RKPP)
9.2. Automatic transmission (AT)
9.2.1. General information
9.2.2. General information about diagnostics of malfunctions
9.2.3. Adjustment of a drive of the lever of the selector
9.2.4. Adjustment of a cable of a drive of a butterfly valve
9.2.5. Check of work and replacement of the switch of permission of the start / switch of fires of a backing
9.2.6. Removal and installation of automatic transmission
9.2.7. Replacement of epiploons
9.2.8. Diagnostics of malfunctions of automatic transmission
10. Transmission line
11. Steering and suspension bracket
12. Brake system
13. Body
14. Control body sizes
15. Heater and air conditioner
16. System of onboard electric equipment
17. Routine maintenance of the car
18. Size table and adjusting data
19. Schematic electric circuits
20. Governing bodies and operation receptions
21. System of onboard diagnostics - a principle of functioning and codes of malfunctions
 








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9.2.5. Check of work and replacement of the switch of permission of the start / switch of fires of a backing

If the engine is started not only at the provisions "P" (Parking) or “N” (Neutral) of the lever of the selector, or fires of a backing do not light up at lever installation in the situation "R" (backing), check the sensor switch of permission of start of a starter.

 PERFORMANCE ORDER

  1. Give the fixing screw of the handle of the lever of the selector and remove the handle. Hook and remove the covering panel round the basis of the lever of the selector.

If the scheme of an arrangement of plugs on the socket of the sensor switch of permission of start of your car does not correspond to any of given below, for check of operation of the sensor, probably, any special procedures be required. In this case provide sensor check to specialists of dealer office of the BMW service or a repair truck.


  1. On early models disunite sockets.
  1. Then check conductivity between the following plugs:
Position of the selector
Plugs
“P”
3 and 4
“R”
3 and 5
“N”
3 and 6
“D”
3 and 7
3
3 and 1
2
3 and 8
1
3 and 9

  1. On latest models disunite sockets.
  1. Then check conductivity between the following plugs:
Position of the selector
Plugs
“P”
1 and 3 and 7
“R”
1 and 4 and 7; 5 and 6
“N”
1 and 2 and 3
“D”
1 and 4
3
1 and 2
2
1 and 7
1
1 and 2 and 7


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9.2.4. Adjustment of a cable of a drive of a butterfly valve
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9.2.6. Removal and installation of automatic transmission