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
   + 8.1.2. Specifications
   - 8.2. Automatic transmission
      8.2.2. Specifications
      8.2.3. Diagnostics of automatic transmission
      8.2.4. Draft of the selector of transmission
      8.2.5. kick cable - down - the mode
      8.2.6. The blocking backing signal switch / switch
      8.2.7. Removal and installation of transmission
      8.2.8. Epiploons of automatic transmission
      8.2.9. "Automatic machine"
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Useful tips

8.2.6. The blocking backing signal switch / switch

GENERAL INFORMATION

The switch blocks start of the engine in all provisions of the selector except P and N, and also includes a backing signal at transfer of the selector to situation R. Otherwise check or replacement of the switch is required.

Check, adjustment and replacement

PERFORMANCE ORDER

	1. Unscrew the screw of fastening of the handle of the selector and remove the handle. Hook and get a slip at the selector basis.
2. Transfer the selector to situation N, disconnect the socket with the wires conducting to the switch and check existence of a chain between conclusions with black-and-white and green-black wires.
3. Transfer the selector to situation P and again check existence of a chain between the same conclusions.
4. Transfer the selector to provisions D, 1 and 2 and check existence of a gap between conclusions with blue-white and greenish-yellow wires and also between conclusions with blue-white and green-black wires.
5. The chain has to be in the selector R family way between conclusions with black-and-white and greenish-yellow wires.