Brushes or bearings are worn out;
Closing the electrical wiring;
The contacts are oxidized.
Generator or battery
The generator is out of order;
The alternator belt is torn;
The battery is dead.
The electrode of the candle is worn out;
Carbon deposits on candles;
Broken plug connector.
Electronic engine control module
Corrosion processes of the case after moisture ingress;
Damage to contacts on internal boards due to corrosion.
Fuel supply system to the engine
The fuel pump is out of order;
Damage to the fuel hose;
Clogged fuel filter.
Cylinder pressure deficiency;
Stretching the timing chain or belt;
Lack of contact of ignition wires;
Failure of the camshaft and crankshaft position sensors, oxygen, idle.
The reasons why the Toyota starter does not turn can be very diverse, and this breakdown itself is very unpleasant for the owner, since it does not allow the engine to start. The starter motor may not start at all, or it may turn on, but not have enough power to start the crankshaft. The result is always the same: the inability to move.
Does not turn on
Clicks, but does not start the crankshaft
Crankshaft rotation is too slow, due to which the internal combustion engine does not start