You probably have no refrigerant in the line. The compressor will shut off in that kind of situation. You'll need to determine how the refrigerant leaked out and then have it fixed. Then get some new refrigerant.
get a wheel alignment
If it's just occasionally, it may be a sticky thermostat.
sometimes it is working but after few seconds it is stopping
First off it is not a Toyota but is instead a Nissan. Of course it is fake and they do not even claim it is real.
If you treat your car properly 200K easily.
About 20 minutes
Changing wheel bearings on a Toyota RAV4 is similar to other vehicles. After properly and safely removing the tire, the cowling should be removed giving access to the bearings. Be sure to clean the housing area and properly pack the bearings.
If the engine is fuctioning properly try disconnecting the ground battery terminal for 1 minute. If the engine is fuctioning properly and this does not cure your needs. It will have to be reset by a mechanic with a diagnostic machine for Toyota.
Have you checked you heater control valve or heater core if working properly.
The best way to do this is to visit a mechanic. They will be able to do the tune up properly.
To reset the ABS and brake lights on a 2002 Toyota MR2, trying disconnecting the battery for 10 minutes. A Toyota dealer can also reset the lights.
Most likely because the speed sensor does not function properly.