Nissan Sunny service from 1991 to 1997 of release in n-14 body.
1. Maintenance instruction
2. Maintenance
3. Engines
4. Cooling system
4.1. Specifications
4.2. Hoses of system of cooling
4.3. Radiator
4.4. Thermostat
4.5. Electrofan
4.6. Sensors and switches of system of cooling
4.6.1. The thermoswitch (cars with carburetor engines)
4.6.2. Sensor of temperature of the engine
4.6.3. The sensor of temperature of cooling liquid
4.6.4. Temperature sensor of the conditioner
4.7. The pump of cooling liquid
5. Heating and ventilation system
6. Fuel and exhaust system
7. System of start-up of the engine
8. Coupling
9. Transmissions
10. Semi-axes
11. Brakes
12. Suspension brackets and steering
13. Body
14. Electric equipment


4.6. Sensors and switches of system of cooling

The thermoswitch will screw in a thermostat cover.


1. For check it is necessary to remove the switch, to ship in a heated-up vessel with water and to define temperature of short circuit of contacts.
2. Before short circuit of contacts resistance of the switch should be infinitely big.


1. Disconnect the battery from weight.
2. On the cooled-down engine merge a part of liquid to thermoswitch level.
3. Disconnect the thermoswitch socket.
4. Carefully turn out the thermoswitch, remove a sealant (if it is provided).


1. Clear the thermoswitch and put on a carving hermetic.
2. Replace a sealant (if it is provided).
3. Further assembly is carried out upside-down.
4. Start the engine and check switch operation.

4.5. Electrofan

4.6.1. The thermoswitch (cars with carburetor engines)