Question about Hyundai Motor 2002 Sonata

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2002 hyundai sonata headlights

I have a 2002 Hyundai Sonata. Since i have bought it i have had nothing but trouble with the headlights,fog lights blowing ! I have gotten the bulbs from the dealer but they still blow. Is there any one that can help me out on what to do??? thanks for the time....
norrie_c@yahoo.com

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  • Anonymous Jan 28, 2009

    Same headlight problems and turn/stop light problems burning out. Is there a solution?

  • Anonymous Mar 07, 2009

    I have the same problem with the same car but my problem is only with the fog lights. What i did is i took it to the dealer and i said fix it and they did.

  • Anonymous Apr 05, 2009

    I actually just failed inspection (Mass) because of my fog lights being out. I want to remove them entirely since they keep going out and it's expensive to keep fixing. I need to do it this weekend, though, since I'm not allowed to drive the car until the problem is "fixed".

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GENERATOR OUTPUT LINE VOLTAGE DROP TEST

This test determines the condition of the wiring from the generator "B" terminal to the battery (+) terminal (including the fusible link). 1. Be sure to check the following before testing: a. Generator installation and wiring connections b. Generator drive belt tension c. Fusible link d. Abnormal noises from the generator while the engine is running. 2. Turn the ignition switch to the OFF position. 3. Disconnect the negative battery cable. 4. Disconnect the generator output wire from the generator "B" terminal. Connect a DC test ammeter with a range of 0-100A in series between the "B" terminal and the disconnected output wire. (Connect the (+) lead of the ammeter to the "B" terminal. Connect the (-) lead of the ammeter to the disconnected output wire.) An inductive-type ammeter which enables measurements to be taken without disconnecting the generator output wire is recommended. Using this equipment will lessen the possibility of a voltage drop caused by a loose "B" terminal connection. 5. Connect a digital-type voltmeter between the generator "B" terminal and the battery (+) terminal. (Connect the (+) lead of the voltmeter to the "B" terminal. Connect the (-) lead of the voltmeter to the battery (+) cable.) 6. Reconnect the negative battery cable. 7. Connect a tachometer or the scan tool. 8. Start the engine. 9. With the engine running at approx. 2500 rpm, turn the headlights and other lights on and off to adjust the generator load on the ammeter slightly above 30A. Limit: max. 0.3V When the generator output is high and the value displayed on the ammeter does not decrease to 30A, set the value to 40A. Read the value displayed on the voltmeter. In this case the limit becomes max. 0.4V. 10. If the value displayed on the voltmeter is still above the limit, a fault in the generator output wire may exist. Check the wiring between the generator "B" terminal and the battery (+) terminal (including fusible link). If a terminal is not sufficiently tight or if the harness has become discolored due to overheating, repair, then test again. 11. After the test, run the engine at idle. 12. Turn off all lights and turn the ignition switch to the OFF position. 13. Disconnect the tachometer or the scan tool. 14. Disconnect the negative battery cable. 15. Disconnect the ammeter and voltmeter. 16. Connect the generator output wire to the generator "B" terminal. 17. Connect the negative battery cable.

Posted on Jun 05, 2008

  • 4 more comments 
  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008

    OUTPUT CURRENT TEST
    This test determines if the generator output current is normal.



    1.

    Before testing, be sure to check the following :



    a.

    Generator installation and wiring connections



    b.

    Battery



    c.

    Generator drive belt tension



    d.

    Fusible link



    e.

    Abnormal noise from the generator while the engine is running
    The battery used should be slightly discharged. The load needed by a fully-charged battery is insufficient for an accurate test.



    2.

    Turn the ignition switch to the OFF position.



    3.

    Disconnect the negative battery cable.



    4.

    Disconnect the generator output wire from the generator "B" terminal. Connect a DC test ammeter with a range of 0-100 A in series between the "B" terminal and the disconnected output wire. (Connect the (+) lead of the ammeter to the "B" terminal. Connect the (-) lead of the ammeter to the disconnected output wire.)
    Never use clips. Use bolts and nuts to connect the line. Otherwise, loose connections (e.g. using clips) may lead to a serious accident because of high current.
    An inductive-type ammeter which enables measurements to be taken without disconnecting the generator output wire is recommended.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008

    c



    5.

    Connect a voltmeter with a range of 0-20V between the generator "B" terminal and the ground. (Connect the (+) lead of the voltmeter to the "B" terminal, and then connect the (-) lead of the voltmeter to the ground.)



    6.

    Connect the negative battery cable.



    7.

    Connect a tachometer or the scan tool.



    8.

    Leave the hood open.



    9.

    Check that the reading on the voltmeter is equal to battery voltage.
    If the voltage is 0 V, the cause is probably an open circuit in the wire or fusible link between the generator "B" terminal and the battery (+) terminal.



    10.

    Start the engine, and turn the headlights on.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008




    11.

    Switch the headlights to high beam, turn the heater blower switch to high, increase the engine speed to approx. 2,500 rpm, and read the maximum current output displayed on the ammeter.
    Limit : 70% of nominal output current



    a.

    For the nominal current output, refer to the Generator Specifications page EE-2.



    b.

    Because the current from the battery will drop soon after the engine is started, steps 10 and 11 should be carried out as quickly as possible in order to obtain the maximum current output value.



    c.

    The current output value will depend on the electrical load and the temperature of the generator body.



    d.

    If insufficient electrical load is used while testing, the specified level of current may not be output, even though the generator is normal. In such a case, increase the electrical load by leaving the headlights on with the engine off to discharge the battery before testing.



    e.

    The specified level of current may not be output if the temperature of the generator body and/or ambient temperature is too high. In such a case, allow the generator to cool before testing.



    12.

    The reading on the ammeter should be above the limit value. If the reading is below the limit value and the generator output wire is OK, remove the generator from the engine and check the generator.



    13.

    Run the engine at idle speed after the test.



    14.

    Turn the ignition switch to the OFF position.



    15.

    Disconnect the tachometer or the scan tool.



    16.

    Disconnect the negative battery cable.



    17.

    Disconnect the ammeter and voltmeter.



    18.

    Connect the generator output wire to the generator "B" terminal.



    19.

    Connect the negative battery cable.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008


    REGULATED VOLTAGE TEST
    This test determines if the voltage regulator is correctly controlling the generator output voltage.



    1.

    Be sure to check the following:



    a.

    Generator installation and wiring connections



    b.

    Battery fully charged



    c.

    Generator drive belt tension



    d.

    Fusible link



    e.

    Abnormal noise from the generator while the engine is running



    2.

    Turn the ignition switch to the OFF position.



    3.

    Disconnect the negative battery cable.



    4.

    Connect a digital-type voltmeter between the generator "S" terminal and the ground. (Connect he (+) lead of the voltmeter to the "S" terminal. Connect the (-) lead of the voltmeter to a secure ground or to the battery (-) terminal.)



    5.

    Disconnect the generator output wire from the generator "B" terminal.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008




    6.

    Connect a DC test ammeter with a range of 0-100A in series between the "B" terminal and the disconnected output wire.
    (Connect the (+) lead of the ammeter to the "B" terminal. Connect the (-) lead of the ammeter to the disconnected output wire.)



    7.

    Reconnect the negative battery cable.



    8.

    Connect a tachometer or the scan tool. Check that the reading on the voltmeter is equal to the battery voltage.
    If the voltage is 0 V, the cause is probably an open circuit in the wire or fusible link between the generator "S" terminal and the battery (+) terminal.



    9.

    Make sure all lights and accessories are off.



    10.

    Start the engine.



    11.

    Increase the engine speed to approx. 2,500 rpm.



    12.

    Read the voltmeter when the current output of the generator becomes 10 A or less.



    13.

    If the voltage reading conforms to the value in the voltage regulation table, the voltage regulator is operating normally. If the voltage is not within the standard value, a malfunction of the voltage regulator or of the generator exists.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 05, 2008

    MOST POSSIBLE: a malfunction of the voltage regulator or of the generator exists.

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