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03 hynundai soanta charging system failure
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djellis
User
Jan 3, 2012, 7:20 PM
Post #1 of 71
(4007 views)
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03 hynundai soanta charging system failure
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changed alternator 4 times...changed battery...changed fusible link and ecm fuze...no reading over 12.2V and reading drops instantly when nturn on lights/heat....I am out of ideas...need help please
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 7:27 PM
Post #2 of 71
(3995 views)
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Re: 03 hynundai soanta charging system failure
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2.4L or 2.7L? Any trouble codes in the PCM? Some codes won't turn the check engine light on FYI.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jan 3, 2012, 7:28 PM)
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djellis
User
Jan 3, 2012, 7:40 PM
Post #3 of 71
(3989 views)
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Re: 03 hynundai soanta charging system failure
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2.4L....no codes.....no check engine light. Breaks down and drains battery. 3 different diagnostics indicate alternator. changed it out 4 times and still no charge over 12.2V
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 7:45 PM
Post #4 of 71
(3976 views)
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Re: 03 hynundai soanta charging system failure
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Unplug the 4 wire connector from the alternator. Check for battery voltage with your meter on the lug the battery cable connects to.
When you turn the ignition to run with the engine off, does the charge light stay on?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jan 3, 2012, 7:46 PM)
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djellis
User
Jan 3, 2012, 7:47 PM
Post #5 of 71
(3970 views)
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Re: 03 hynundai soanta charging system failure
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will do right now...be right back
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djellis
User
Jan 3, 2012, 7:52 PM
Post #6 of 71
(3969 views)
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Re: 03 hynundai soanta charging system failure
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12.5V is the reading without the alternator wires attached. Should I plug the wires back in before I turn the ignition to run (with engine off) and am I checking for the battery light?
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 7:55 PM
Post #7 of 71
(3963 views)
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Re: 03 hynundai soanta charging system failure
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Yes
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 7:58 PM
Post #8 of 71
(3959 views)
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Re: 03 hynundai soanta charging system failure
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yes...battery light is on when I turn it to run but not start it
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:02 PM
Post #9 of 71
(3954 views)
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Re: 03 hynundai soanta charging system failure
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Unplug the connector from the alternator again. Check for battery power on the orange wire terminal. It should be hot all the time.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 8:10 PM
Post #10 of 71
(3949 views)
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Re: 03 hynundai soanta charging system failure
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reading is .0004
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:17 PM
Post #11 of 71
(3931 views)
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Re: 03 hynundai soanta charging system failure
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Should be battery voltage on that wire at all times. Check your ECM fuse 10 A in the fuse block under the hood. If the fuse looks good, with the fuse plugged in check for battery voltage at the fuse.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 8:20 PM
Post #12 of 71
(3924 views)
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Re: 03 hynundai soanta charging system failure
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the reading off the top of the ecm fuse is 12.5
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:23 PM
Post #13 of 71
(3921 views)
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Re: 03 hynundai soanta charging system failure
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Remove the fuse from the panel. Take your meter and find out which terminal has battery power on it where the fuse plugs in. The one that isn't hot leave your red lead of the meter on. Set your meter to ohms and take the black lead and probe the orange wire at the alternator connector. You should have continuity through the orange wire from the fuse box to the alternator connector.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 8:30 PM
Post #14 of 71
(3916 views)
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Re: 03 hynundai soanta charging system failure
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reading directly from fuze box to the orange wire is 000000 and the meter just flashes from 0.fl to 0.000
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:34 PM
Post #15 of 71
(3908 views)
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Re: 03 hynundai soanta charging system failure
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Touch your meter leads together with it set on ohms. what does it say. Is the battery good in the meter?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 8:39 PM
Post #16 of 71
(3904 views)
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Re: 03 hynundai soanta charging system failure
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meter set on ohms, leads touched, reading is 0.354. Battery good?
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:42 PM
Post #17 of 71
(3898 views)
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Re: 03 hynundai soanta charging system failure
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The battery in the meter not only powers the meter, but also is used to send a small amount of current through a wire or conductor when your doing an ohm test. If the battery in the meter is weak, it may give you weird readings when you check a wire that has some length.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jan 3, 2012, 8:43 PM)
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djellis
User
Jan 3, 2012, 8:44 PM
Post #18 of 71
(3893 views)
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Re: 03 hynundai soanta charging system failure
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is the ohms reading when the leads touch a good reading or a bad one?
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djellis
User
Jan 3, 2012, 8:47 PM
Post #19 of 71
(3889 views)
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Re: 03 hynundai soanta charging system failure
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I have another meter, I will double check the last 2 readings
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 8:49 PM
Post #20 of 71
(3888 views)
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Re: 03 hynundai soanta charging system failure
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That looks like a good reading. Should be really close to 0 (whatever scale it is set on).
Recheck that orange wire again with your ohm meter. While you are checking the orange wire look at where the orange wire goes into the connector at the alternator. Give a little tug on the wire while watching the wire near the plug. If the insulation stretches, the wire maybe broken inside the insulation. Sometimes the wires break up near the connector from getting pulled on while unplugging the connector.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 8:59 PM
Post #21 of 71
(3883 views)
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Re: 03 hynundai soanta charging system failure
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going to do this real quick be right back
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djellis
User
Jan 3, 2012, 9:12 PM
Post #22 of 71
(3877 views)
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Re: 03 hynundai soanta charging system failure
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no give in the insulation with a slight tug. Rading from the hot side of the fuse box is 0.000 and it flashes to 0.fl. from the dead side of fuse box to orange wire the reading is 0.64 ohms. From ground off the alternator to the orange wire .15 ohms
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 9:25 PM
Post #23 of 71
(3861 views)
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Re: 03 hynundai soanta charging system failure
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Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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djellis
User
Jan 3, 2012, 9:28 PM
Post #24 of 71
(3857 views)
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Re: 03 hynundai soanta charging system failure
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I have a copy of this schematic. I ran the test exactly from the 10A fuse slot to the orange wire and got a 0.64 from dead side of fuse slot and a 0.000 from hot side.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 3, 2012, 9:31 PM
Post #25 of 71
(3853 views)
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Re: 03 hynundai soanta charging system failure
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Reinstall your fuse again and recheck your voltage at the orange wire.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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