Subaru Legacy

since 1990-1998 release

Repair and operation of the car



Subaru of Legasi
+ 1.1. Identification numbers
+ 2. Maintenance
+ 3. Engines
+ 4. Heating, ventilation
+ 5. Fuel system
- 6. Exhaust system
   6.1. Service of final system
   - 6.2. Reduction of toxicity of exhaust gases and management of operation of the engine
      6.2.1. Technical characteristics
      6.2.2. System of self-diagnostics (OBD) and codes
      6.2.3. Block of electronic control (ECM)
      6.2.4. Sensor of temperature of cooling liquid
      6.2.5. Sensor of provision of a butterfly valve
      6.2.6. Sensors of a cranked shaft, camshaft, car speed
      6.2.7. Oxygen sensor
      6.2.8. Air stream sensor
      6.2.9. Detonation sensor
      6.2.10. Pressure sensor in an inlet collector
      6.2.11. Replacement of the sensor of temperature of cooling liquid
      6.2.12. Replacement of the sensor of a stream of air
      6.2.13. Replacement of the sensor of oxygen
      6.2.14. Replacement of the sensor of provision of a butterfly valve
      6.2.15. Replacement of the sensor of an angle of rotation of a cranked shaft
      6.2.16. Replacement of the sensor of provision of a camshaft
      6.2.17. Replacement of the sensor of a detonation
      6.2.18. Replacement of the sensor of speed of the car
      6.2.19. Replacement of the sensor of pressure
      6.2.20. System of repeated burning of exhaust gases (EGR)
      6.2.21. System of catching of vapors of fuel (EVAP)
      6.2.22. System of compulsory ventilation of a case (PCV)
      6.2.23. Catalyst
+ 7. Systems of start, ignition
+ 8. Transmissions
+ 9. Coupling, shaft
+ 10. Brake system
+ 11. Suspension bracket
+ 12. Steering
+ 13. Body
+ 14. Electric equipment


3a942d17



6.2.6. Sensors of a cranked shaft, camshaft, car speed

GENERAL INFORMATION

Principle of operation of the sensor of provision of a cranked shaft


Arrangement of the sensor of provision of the left camshaft and form of the impulses created by the sensor


Check of resistance of the sensor of provision of a cranked shaft

Sensors represent a magnet, from above on which the coil with a wire is installed. The steel disk established on cranked and distributive to a shaft has teeths at which passing about a magnet of the sensor the electric impulse in the sensor is created. The signal of the sensor is used by the ESM block for definition of provision of a cranked shaft and speed of the car. For check of the sensor it is necessary to measure sensor winding resistance.

PERFORMANCE ORDER
For check of the operational mode of the sensor remove the sensor from the car, connect the voltmeter to contacts of the sensor and, turning the sensor drive, watch indications of the voltmeter. Fluctuations of indications of the voltmeter show that the sensor creates electromagnetic impulses.