The voltage regulator is NOT built in the alternator, it is part of the ECM, that is the Engine Control Module. The module (computer) monitors the charging system and signals the alternator how much voltage to send it to keep the system working properly. the voltage regulator is built in to the alternator
To cool the SMPS while the computer is working.
Cooling fan not working. need wiring diagram or some information on how to repair.
Cooling fans are controlled by the computer based on input from temperature sensor. After the vehicle is shut down, if the temperature is still high, the computer will turn on the fans to cool the engine.
Go to the control panel and troubleshoot it.
Yes you can take negative off on all cars and test it if it dies alternator is bad if car keeps running then its good. In older (not computer controlled) cars you can, but on some newer (computer control) cars is not recommended. Some newer cars will turn off even if the alternator is working good. Use a volt meter to test the voltage. Connect it to the battery and it should read a little above 12 volts when its off and 13 to 14 volts when its turn on. If the voltage does not go up, then the alternator is not charging.
your cooling fan(s) is/are not working your cooling fan(s) is/are not working
CAUTION!!! This may be a problem with the alternator and the charging. Blower fan will stop working if alternator is not charging. You may also see the battery light and brake light staying on as well! Advance Auto Parts or Auto-zone can test your alternator/battery.
Hi the tacho runs off the alternator & when it stops working it is normally a sign of a fault with the alternator so firstly i would check that the alternator is working corectly
To control and optimise the working temperature of the engine during differing load conditions.
I had the same problem...the alternator went bad. Both the alternator and battery had to be replaced.
if the computer is not working as fast or the computer is not working at all.
The working principle of an alternator is like that of a small turbine. The alternator spins and a series of copper wires and graphite brushes inside the alternator produce electricity. That electricity is then transferred to the battery to keep it charged enough to run all of the electric parts on the vehicle.
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No power to fan, fan motor is burned out, fan motor has seized up, control circuit for fan not working.
Cooling fan not working, or your cooling system needs a complete service. The cooling fan should be on continuously when the A/C is on.
Give principle of computer working?
Is the alternator actually working. It is possible to buy a new alternator that is defective.
no, the light has nothing to do with the alternator working properly, the light is only to warn you that it isn't charging the battery properly.
Is it the correct alternator for your vehicle? What are you working on? If you add a little more detail to your question I'm sure it will be simple to answer but we don't even know what you're working on.
No. If the alternator is working fine, the battery power is not used.
your barrery will die eventually because alternator isn't creating power for the vehicle to run on
How to Tell If Your Car Alternator Is Bad Check related link below…
The cruise control on a 2002 Mercedes ML320 will stop working if the fuse has blown or the wiring has become loose. An OBDII code reader can be connected to the vehicle's computer to help diagnose the problem.
Your computer might be affected by virus. Perform a virus scan. Or re-install your OS!