BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car



BMW E30
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engine
   + 3.1.2. Specifications
   + 3.2. Dismantle and capital repairs of the engine
   - 3.3. Engine electric equipment
      3.3.2. Specifications
      3.3.3. The battery - launch of the engine in emergency situations
      3.3.4. Removal and installation of the battery
      3.3.5. Power cables
      + 3.3.6. System of ignition
      + 3.3.7. System of a charge of the battery
      + 3.3.8. System of launch of the engine
      3.3.9. Malfunctions of the generator
      3.3.10. Main malfunctions of electric equipment
+ 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
+ 14. Useful tips




3.3.10. Main malfunctions of electric equipment

GENERAL INFORMATION

REASON
ELIMINATION METHOD
The starter does not rotate after inclusion of ignition
The rechargeable battery is discharged To charge the rechargeable battery.
The break in a wire 50 to the ignition switch lock, is damaged an ignition switch wire To eliminate break, to replace the damaged parts.
Break of a wire or conclusion of weight. The rechargeable battery is discharged To check a wire and a conclusion of the rechargeable battery. To measure tension of the rechargeable battery, if necessary, to charge the rechargeable battery.
Insufficient receipt of current because of the free or oxidized connections To clear poles and plugs of the rechargeable battery. To provide necessary connection between the rechargeable battery, a starter and weight.
Lack of tension on a conclusion 50 (the traction relay) The break in a wire, is damaged the ignition switch.
The starter works too slowly and does not rotate the engine
The rechargeable battery is discharged To charge the rechargeable battery.
The engine is not filled with winter or all-weather oil To fill all-weather oil.
Insufficient current because of the free or oxidized tips of wires To smooth out polar conclusions of rechargeable batteries, a starter and tips of wires, to delay connections.
Brushes do not contact to a collector, are got jammed in the mandrels, are worn-out, greasy or polluted To check brushes, to clear or replace. To check the brush holder.
Inadequate gap between brushes and a collector To replace brushes and to clear the brush holder.
On a collector deposit, risks, pollution Переточитть or to replace with the collector an anchor.
Lack of tension on a conclusion 50 (at least 8B) To check switching of the switch of ignition or the traction relay.
Bearings are beaten out To check bearings, if necessary to replace.
The traction relay is damaged To replace the traction relay.
The starter is hooked and begins to work, but the engine does not rotate or rotates breakthroughs
The gear mechanism (the drive gear wheel mechanism) is damaged To replace the gear mechanism.
The drive gear wheel is polluted To clear a gear wheel.
The gear wreath on a flywheel is damaged To repair a gear wreath, if necessary to replace a flywheel.
The gear mechanism is not separated
The gear mechanism or screw vents are polluted or damaged To clear or replace the gear mechanism.
The traction relay is damaged To replace the traction relay.
The returnable spring burst or weakened To replace a returnable spring.