2.16.7. Thermal sensor of circulation of cooling liquid

Check of the thermal sensor

A. Connecting plug

B. Thermal sensor

1, 2, 3, 4. Contacts


1. To switch on and off ignition.
2. To remove the connecting plug (A).
3. To connect an additional wire contacts 1 and 2.
4. At cars without circulating pomp the electric fan has to start working. At cars with a circulating pomp the pomp has to earn. The circulating pomp is, for example, at the 4-cylinder petrol engine under the left fan.


As the timer after inclusion and switching off of ignition works only 10–12 min., to make check within this time.

5. If the electric fan does not work, to check an electrical wiring according to the electrical circuitry and to eliminate break, if necessary to replace a timer.
6. To include ignition.