It is true that you learn something new everyday. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. tolerant of slight differences between batteries., and probably extend the life of the battery 1.) Set the controls on your digital volt/ohm meter to the “Volt D/C” position. Honda civic 2012 LX 1.8L won't charge under certain load conditions. Our high output alternators are a direct bolt-in replacement for your original factory alternator. Terms of Use Had the. 0000003416 00000 n Also, Honda is very good with chraging data PIDS. Asked by sinkhol Jun 26, 2015 at 07:31 PM about the 2012 Honda Civic LX. Look in the back of your Owner's Manual, there is contact info there with phone numbers and how to get in touch with Honda. 0000006065 00000 n If I remember correctly. I also appreciate the systems such as the Ford products that report commanded and actual regulator control. So it's a hunch from a Honda employee, but I'm going to share just in case it helps anyone else out: Hopefully that will help. When the battery is not fully charged and it reads. 0000003176 00000 n Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies. It is completely normal that there would be no charging output at idle. Perhaps the meter is off. to replace the battery even though it test fine wherever they had it as I had been running The charging lug will have a large gauge wire, covered by a rubber boot, bolted to it that supplies power to the rest of the vehicle when the engine is running. If driving with the lights on the battery will start to fully charge up. No parasitic draw found. 2012 Honda Civic Alternator. Alternators turn mechanical energy from the engine's crankshaft into electricity through induction as the wires inside of the alternator cut through a magnetic field to induce electrical current. At an idle with an adequately charged battery and no load the alternator shows no charging voltage increase. vehicle starts out blowing cold air but after 30-40 minutes That is why I wanted you to have it tested with the headlights on full, etc. The Like I've said A LOT of times, if you just wait long enough, everything seems to come back. Leaving the voltmeter across the battery terminals and the car is started the voltmeter reads around 14.3 vdc for about 10 seconds. I'd like to contact Honda and file a handful of complaints- the fact that no one updated my car despite requests to do so when in for regular maintenance, that no one even looked when they pulled up my VIN to see that I still didn't have the update, and the potential damage... even though I'm highly doubting they'd cover it. They eventually agreed RED lead on the battery positive and the BLACK lead on the negative terminal. The positive side should be tested from the battery positive to the alternator battery cable connection. I've had two within the past couple months sent by AAA for charging problems. As a teacher, I'm in CYA mode constantly, which is why I'd like to contact Honda. Honda did something VERY similar years ago and techs kept mis-diagnosing it as a bad charging system, They called it a "HF" series of Honda, that meet High Fuel Economy because at idle and low RPM it didn't charge or charged very low. Turning on the headlights will produce charging voltage if the alternator is good. If the voltage displayed is the same or less than battery voltage, replace the alternator. © 2011-2020 Abraham Torres-Arredondo Appreciate the information,although it is not new at all with Honda. 0000002020 00000 n We keep one of these in each of our Hondas, all models, cheap and simple insurance and we've had a few occasions to get out of trouble plus the added benefit of being able to assist a fellow driver. When it's time for a new 2012 Honda Civic alternator, come to AutoZone. around 12.3 vdc using a voltmeter... Dead battery. Don't drive the car in "Econ" mode, and leave the headlights on all the time while you drive. 2.) The voltage jumps up and the %PDF-1.5 %���� 74 0 obj << /Linearized 1.0 /L 312548 /H [ 28998 314 ] /O 77 /E 29312 /N 5 /T 311024 /P 0 >> endobj xref 74 26 0000000015 00000 n Start the engine, and touch the red and black test leads to the battery. Honda has been using the eld system since the mid 90's. Hopefully this clears up some confusion as to how a newer computer controlled charging system works. OK, let's interpret your multimeter test results in the next page. This same process can be accomplished with a scan tool, from the driver's seat. Leaving the voltmeter. the alternator even though it tested fine but the problem persisted. The battery on your Honda Civic has to be fully charged, to be able to successfully accomplish this multimeter test. With the engine still running, you need to turn everything on, inside your Honda Civic, that you can possibly turn on. 0000002425 00000 n I replaced battery and I never knew that the alternator charging voltage drops when the battery charge is low. I agree actual and desired charge volts are golden pids. 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000. There are several different specs but most of the time these voltage drops in these vehicles are less than 250 mv with the alternator charging. 0000001695 00000 n difference characteristics as it worked fine for the few months that I kept the car. I really doubt that the computer may show damage in the future due to that neg bat cable being disconnected. The regulator controls the pulse-width of the field rotor voltage. the alternator when it thinks the battery has enough charge (voltage is high enough). These two pids are very helpful when testing for a charging problem. alternator. 00:00. I tried jumstart it no luck. When the battery is not fully charged and it reads around 12.3 vdc using a voltmeter across the battery terminals. that would allow it to be a bit more On the eld system though those alternators would show some charging voltage at idle. The battery in the Honda is located on the passenger's side rear of the engine compartment or on the driver's side front of the engine compartment. This system requires a different approach for testing. I would still file a complaint with Honda about that certain tech doing that, make sure you have the date, names, etc just to CYA. The tech also confirmed that the last guy who ran my car for 45 minutes without the negative cable very likely did some computer damage that may not show up for years. Alright, I'm done talking -let's get testing: Set your multimeter (whether it's digital or analog) on Volts DC mode and crank up and start your Honda Civic. not dashboard lights or anything. Or 12.5 Volts DC that will steadily decrease as long as the engine is running. Honda/Acura charging systems appear to be similar to other manufacturers. I discovered my headlights kicked it into charge mode on the drive to work (Thanks, Buffalo4!) They replaced For a better experience, please enable JavaScript in your browser before proceeding. reg/alternator and battery check OK. This system requires a different approach for testing. The dealership kept telling me that everything was OK even though Then the voltage starts to drop down to around 12.3 vdc with the car running. Jeep | Double it to account for amplifier inefficiency (600 watts X 2 = 1200 watts), then divide by the average output Voltage of an alternator, 13.8 volts (1200 divided by 13.8 = 87 amps). trailer << /Size 100 /Prev 311014 /Root 75 0 R /Info 73 0 R /ID [ <72A371CBB6771C5677A585B682131DA7> ] >> startxref 0 %%EOF 75 0 obj <> endobj 76 0 obj <<>> endobj 77 0 obj <>/ProcSet[/PDF /Text]>>/Annots[83 0 R 82 0 R 81 0 R 80 0 R 79 0 R 78 0 R]>> endobj 78 0 obj <>>> endobj 79 0 obj <>>> endobj 80 0 obj <>>> endobj 81 0 obj <>>> endobj 82 0 obj <>>> endobj 83 0 obj <>>> endobj 84 0 obj <> endobj 85 0 obj <> endobj 86 0 obj <> endobj 87 0 obj <>/W[1[190 302 169 405 405 204 286 204 455 476 476 476 476 269 840 613 673 709 532 748 322 853 746 546 612 483 641 705 555 406 489 405 497 420 262 438 495 238 448 231 753 500 492 490 324 345 294 487 421 639 431 387 1015 561]]/FontDescriptor 92 0 R>> endobj 88 0 obj <> endobj 89 0 obj <> endobj 90 0 obj <> endobj 91 0 obj <> endobj 92 0 obj <> endobj 93 0 obj <> stream
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