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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Sonata (2001 release)

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Hyundai Sonata
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Total system verification power
Check the voltage drop at the output of the generator
Check the output current
Checking the regulated voltage
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Total system verification power



If the warning light does not burn battery when the ignition is on, check the wiring to the alternator warning lamp serviceability and integrity of its chain. If the lamp still does not burn, check up an electric chain from the generator to the lamp. If all electrical connections are correct, then the generator is defective and should be replaced or repaired.
If the warning lamp lights up when charging the engine, stop the engine and check the condition and the tension drive a generator belt, and also connection of wires to the generator.
The voltage regulator can be checked as follows.
Connect a voltmeter to the battery and start up the engine.
Increase the speed to stabilize the voltmeter which should show in the 12-13, but not more than 14 V.
Turn on the maximum number of electrical consumers (lights, rear window heater, the heater fan). The voltage produced by the generator voltage regulator, should be 13-14 V.
If the voltage does not fit within these limits may have worn out brushes of the generator, weak springs of brushes, faulty voltage regulator or diodes, stator winding is broken or damaged slip rings of the rotor.




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Check the voltage drop at the output of the generator

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