Toyota Corolla

1992-1998 of release

Repair and operation of the car



Toyota Corolla
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
- 4. Cooling systems, heating
   4.1. Specifications
   4.2. Antifreeze
   4.3. Thermostat
   4.4. Fan and relay of turning on of the fan
   4.5. Radiator and broad tank
   4.6. Pump of cooling liquid
   4.7. Sensor of temperature of cooling liquid
   4.8. Fan block
   4.9. Heater radiator
   + 4.10. Control panel heater and conditioner
   4.11. Vlagootodelitel of the conditioner
   4.12. Compressor
   4.13. Condenser
   4.14. Evaporator and broad valve
+ 5. Fuel, exhaust systems
+ 6. System of decrease in toxicity
+ 7. Transmissions
+ 8. Coupling and half shafts
+ 9. Brake system
+ 10. Suspension bracket and steering
+ 11. Body
+ 12. Electric equipment



4.7. Sensor of temperature of cooling liquid

GENERAL INFORMATION

Prevention

Start works only after full cooling of the engine.


Check

PERFORMANCE ORDER
1. In case of refusal the sensor at first check safety locks (see subsection 12.1).
2. If later small time after start of the engine the sensor shows the overestimated temperature, be guided by subsection 1.9.
3. If the sensor shows a condition of "Hot" ("hot") right after start-up of the cold engine, disconnect a wire from the sensor. On engines 4E-FE the sensor will be screwed sideways in a thermostat cover, and on engines 4A-FE and 7A-FE – in a branch pipe of the pump of cooling liquid. If the indication falls, replace the sensor. If the indication remains overestimated, the reasons can be short circuit on the mass of a wire of the sensor, or malfunction of the sensor.
4. If the sensor ceases to show temperature after full warming up of the engine (about 10 minutes later after start-up), and safety locks are serviceable, arrive as follows. Stop the engine, disconnect a wire from the sensor and by means of an additional piece of a wire close a sensor wire on well cleared engine site. Include for a short time ignition, but do not start the engine. If the sensor shows "Hot" now, replace the sensor.
5. If indications of the sensor are absent, break in chains, or malfunction of the sensor can be the cause.

Replacement

PERFORMANCE ORDER
1. Merge cooling liquid (see subsection 2.8.4).
2. Disconnect the conducting socket from the sensor.
3. A deep face head, or Rozhkov a key turn out the sensor.
4. Wrap the new sensor and reliably tighten. To condense a sensor carving with sealant it is not allowed as violation of contact of the case of the sensor with a weight is possible.
5. Attach the conducting socket, fill in liquid, start the engine, check existence of leaks and operation of the engine.








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