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


4.6.1. The thermoswitch (cars with carburetor engines)

The thermoswitch is screwed in a thermostat cover.


1. For check it is necessary to remove the switch, to ship in the heated vessel with water and to determine temperature of short circuit of contacts.
2. Before short circuit of contacts resistance of the switch has to 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 apply sealant on a carving.
2. Replace a sealant (if it is provided).
3. Further assembly is carried out upside-down.
4. Start the engine and check operation of the switch.

4.6. Sensors and switches of the cooling system

4.6.2. Engine temperature sensor