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Generator faulty

Generates electrical energy to power systems and charge the battery.

CostsDiscussionsDetails

Costs

Every car issue can be caused by different things. Here are the most common ones

Most Expensive

max.

Potential Causes

  • Spare parts
  • Work time
Moderate costs

max.

Potential Causes

  • Spare parts
  • Work time
Moderate costs

max.

Potential Causes

  • Spare parts
  • Work time
Moderate costs

max.

Potential Causes

  • Spare parts
  • Work time
Moderate costs

max.

Potential Causes

  • Spare parts
  • Work time
Cheapest case

max.

Potential Causes

  • Spare parts
  • Work time

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Attention! Critical error!

The power supply of the vehicle may no longer be guaranteed. This can cause the electrical systems or the engine to fail.

Discussions

User of our Carly Community asked the following questions regarding that fault:

Details

Probability

Based on the values and symptoms you have entered, a crude estimation of the probability of this problem can be made

high-probability

HIGH

Typical consequences

If this defect is detected, it may lead to the following problems:

  • Engine damage
  • Engine start not possible
  • Failure of the general inspection (may not apply in your country)

Function of the alternator

The generator is the central element of the energy supply in a vehicle. Connected to the engine by a belt drive, it converts mechanical energy into electrical energy. This is done by copper windings, the so-called phases (U, V, W), inside.

The AC voltage generated is rectified by power diodes to produce the required DC voltage. A multifunction regulator in the generator ensures a constant power supply and state of charge of the starter battery. Control by the engine control unit keeps the vehicle's energy balance constant, ensuring optimum operation.

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