HONDA ELD ELECTRIC LOAD DETECTION P1298

SHOWS MY DIAGNOSTIC PROCEDURE AND A CONFIRMED REPAIR

[@BigDog50001]

The ELD(A) data PID is an amp measurement that the PCM is converting from the ELD voltage signal (signal voltage at the PCM should usually be between 1v-3.5v approx). Some quick tests you can do on most newer Hondas is to check voltage on ELD signal wire and compare to data PID ELD(A) at idle (if you have the ELD voltage data PID that's even better). If you are close to these numbers you are probably ok. Idle only (vehicle warmed up), no loads: ELD signal voltage 3.3v-3.5v = ELD(A) PID reading of 13-15A Idle with Headlights ON: ELD signal voltage 2.5v-2.7v = ELD(A) PID of 25-27A Idle with Headlights ON HIGH/Defrost ON: ELD signal voltage 1.0v-1.2v = 56-57A When the PCM detects ELD signal voltage that is too low (usually below .5v or so) it activates MIL for P1297 (ELD circuit low). When the PCM detects ELD signal voltage that is too high (usually above 4v or so) it activates MIL for P1298 (ELD circuit high). Some of the ELDs on some Hondas are part of the under hood fuse box and fixing it requires replacing the fuse box. Hope this info helps somebody out.

[@jamesdanner7850]

+Big Dog50001 that's some good stuff ...u can't find info like that easily.. thanks

[@ltreyno]

Thanks for this info. Will a ELD going bad cause my, 2006 Honda Odyssey to stop charging or does it only throw codes? Can't figure out this charging issue

[@TheAngelacevedo]

@@ltreyno Do you fixed?

[@tiredowalkin]

My 2008 CR-V ELD is buried under 2 layers of panels in the under hood fuse box, I took it out and going to replace it. No charge condition after replacing alternator due to battery light on dash and no charge condition. I hope it fixes the problem. I did not use a code reader to diagnose the problem.

[@martinbullla7654]

@@tiredowalkin I just replaced the alternator in my Acura RSX and the battery lights on but it is charging and the computer does have control over the charge duty cycle so I don't know what's going on with mine the only reason why I changed the alternator was it was overcharging at 16 volts had no codes no battery light on nothing it was overcharging only so I changed it with a reman Nippondenzo which I heard are junk after I put it in but it charges fine now I have a battery light on but the computer still drops to low charge status and bounces to high charge status when it needs more power so I have no idea what the hell is going on

[@wyattoneable]

I'm not a professional technician so I don't see many broken vehicles but I'm glad I saw this video. I think I can help a neighbor with a similar issue.

[@truemechanicsinc2406]

thanks for posting the videos how about mechanic myself sometimes we do not know it all or sometimes we forget and it's just a great reminder and they do help a lot appreciate it

[@ckasprak22]

if your eld is blown then you should be experiencing the car starting but then slowly dying and then abruptly bog and kill its self. Basically what the eld does for the alternator is allow it to send power through the exciter/field wire to go back to the battery to charge it. If you don't have the eld working it cuts off the connection to the exciter/field wire thus not charging your battery so you are running off the battery's power. Also what I found is that when you have a blown eld ( may not be for everyone but in my case it was) is that it send way to much volts to the alternator which then effects the voltage regulator. Sometimes it's in the alternator, but sometimes it's external. If you have the voltage regulator in the alternator then you most likely need to change the alternator when replacing the blown eld fuze. Hopefully that helped some people because I was puzzled for about 3 days trying to figure it out.

[@Gnarlyhoodprops]

Dealing with same issues atm. ELD/Alternator In my case WHEN running will not engage Drive gear (wont drive in drive lol). Related? Troobleshooting Thanks for your summary though helps!

[@zaybarz9200]

Colin Kasprak hey just curious im experience this on my 2000 accord lx 5 speed. Just wondering since you mentioned changing the alternator after changing the blown eld fuse. I changed my alternator and every other electrical component about 3,000k miles ago. Is changing my alternator again necessary?

[@toprincegold]

Yes it did a lot I was lost an couldn't find out

[@AdinSLaboy]

Omg the same thing happen to me today also the car goes on bur with a jumper after I take it off rpm goes to 0 I put the gas all away down and make a big explosion 🤣

[@rwbishop]

I've 'heard' (note quotes) these things are just an inductive amp meter... there so the ecu can goose up drive by wire idle speed a little to compensate for large electrical loads... like the electric power steering being hard cranked. Have also heard they do fail now and again. Great videos, Thanks!

[@row1703]

Same thing happened to my 97 Honda Civic, turns out it was my "alternate s fuse" underneath my steering wheel. It turned on the P0135,P0141 And P1298. So check all ur fuses and BAM UR BACK ON THE ROAD!

[@truemechanicsinc2406]

I end up showing your videos and your brothers videos to Mike mechanics at my shop I run a mechanic shop myself and we do appreciate it thank you guys once again

[@jamesdanner7850]

+Richard Medina I'm glad you guys are watching. Appreciate the feedback. Thank you

[@Fatihdj]

@@jamesdanner7850 I changed this detector in my car, the key to my car is getting very hot and the tape is warming up

[@michaelsheppard6714]

My 2000 civic is 23 yrs old so I know my eld relay needs changed. I’ve bought a new battery and alternator and my voltage drops after 10 minutes of driving on the freeway when I come to a stop in gear. When I put it in park the voltage goes back to 14.3 but in drive it drops to like 12.6 so I know it’s old from wear and tear from all these years of driving.

[@mlb0611]

I have replaced about 10 of those all for keeping or intermittently turning on the charging /battery light on never for an emissions failure

[@markferraro5250]

Great video James thank you

[@wysetech2000]

Nicely done , James. I have never seen that on a Honda here in Canada. Where Steve Rob lives I don't think they even have Honda's at all. They would get buried with snow in the winter and their owners would not be able to find them. {:-)

[@jamesdanner7850]

+wysetech2000 Nice

[@JOHNPHUFNAGEL]

Great video Danner. The copper bar is called a BUS bar

[@SteveRobReviews]

Buddy I have never seen this before, interesting vid. Cheers

[@jamesdanner7850]

+STEVE ROB u very well may never up there in red green country

[@jamesdanner7850]

+STEVE ROB u very well may never up there in red green country

[@jamesdanner7850]

+Troy WT good times

[@haywardsautomotive6156]

Nice video Danner!

[@markymark2460]

I am from Quebec(Canada) and i once saw that code on a 2003 CR-V while doing an inspection but the customer didnt want to have it fixed so thanks for the pointer if i ever come across this code again i'll have an idea what to look for

[@jamesdanner7850]

+Markymark24 nice! . I was picking on Steve rob up there. With the USA models only and in one day ,I'm wrong.... sweet

[@jamesdanner7850]

+Markymark24 did it turn the check engine light on?

[@markymark2460]

James Danner well i cant tell because it also had idle control trouble codes and like i said the customer did not want it to be fix, but i just did a quick search on a honda tech forum and it seems that it does indeed turn the check engine light after a couple of trip

[@blackprelude1]

02 crv had no check engine light on.the car was idling highwhen pulling up to lights or in the driveway thought it was iacv cleaned it and it didnt help.i plugged it in and code pulled up .replaced the eld and problem went away never even heard of it or had to replace one before it was weird.but glad it was an easy fix

[@jamesdanner7850]

+rsxstype505 thanks for the input, I'll keep that in mind

[@justinwilliams3933]

good job man

[@201950201950]

Thanks this should help. I just need to figure out how to disconnect the fuse box from the car.

[@eddieknotek3024]

Hi James, Good video! I have a 2000 Honda accord SE with the same code; where is the ELD located on my accord? Thanks, Eddie K

[@ValtersPelns]

I have 05 Euro Accord. Also have P1298 ELD High voltage .. changed ELD (took a part whole fuse box to change that), but still this code appears in permanent section. It's possible that there is problem with ground wire somewhere in car. Also, when connected OBD2 computer, ELD shows minus 0,35A, normal would be some positive number, depends on turned on electronics. I am guessing, I need to change ground wires and hope for the best? But could bad ground wire mess with obd2 readings to show -0,35A?

[@jtaber66]

Where did you find the wiring diagrams you showed at the beginning of the video?

[@LeakyDiaper]

Ive seen the wire jacket at the plug dry up get hard and crack then touch.

[@Idahomie]

Good to know all the diagnostic, though di you check to see the TSB for this car. Another mechanic on KZbin showed us a TSB for this problem. thx again for the detail dx.

[@jamesdanner7850]

+garytrakas I did not. But at least I learned the system

[@SPADYMCGRADY]

How about code p0740, how do I go upon this situation with fixing it? What should I replace to get my car back to moving gears again?

[@5thsNGunz]

Can you can do a p1607 repair with several sensors having high voltage?

[@ozzstars_cars]

Thanks for the video, never heard of an ELD sensor before. Seems like it's an over engineered part for no real purpose?

[@jjreal9910]

The sole purpose is to allow the alternator to not work as hard as it should. This, in turn, makes the engine not run hard too. The end results are the MPG goes up. This is to satisfy the Government, who puts pressure on all of the car manufacturers. Look at all of the problems with batteries failing because the ELD is not a realistic solution. Not everyone drives 50+mph on the highway every day which is needed to properly charge the main car battery.

[@fdxdsm]

It looks remarkably similar to a current transformer. Senses current thru a circuit and trip a code if there is high or incorrect current draw in the circuit. After marked mods or additions by owners cause the problem you are seeing? Although In my experience I have only seen current transformers used in AC circuits where high amperage draw would be a problem and the circuit is disabled if the current transformer senses a problem. I have also seen them used to indicate that a circuit is live.

[@fdxdsm]

Pomona Bill Thanks! As you might have guessed in my post I generally see these in an AC circuit where they often do function as transformers. Just as James Danner mentioned for himself, I have never encountered one installed in an automotive application. Live and learn

[@angelacassens7994]

Im kinda confused, what voltage should i get testing the ELD if the car wont start bit i have the key turned into the on position?

[@PineHollowAutoDiagnostics]

Nice fix James! Hope that Dorman replacement holds up as well as the OEM ELD sensor did. I think Tobias already mentioned this below, but the ELD (A) Pid most likely indicates the total current amp draw by the vehicle. That was just a coincidence that it was 13-14Amps when you looked at it. A good test would be to turn on the headlights and see if it goes up to like 30Amps :)

[@MrHurricaneFloyd]

ELD failure = dimming again or just staying in the 12.5V mode.

[@ablackformula]

I'm late to the party, but I'd imagine the "A" in ELD(A) stands for amps.. that the pcm was converting the eld input to show the scan tool the amps of current going through the sensor.

[@rebelelite11]

i checked my honda civic 2005 and it has no eld what should i do?

[@Stronger2gether]

Can you give me an estimate how much something like that to get repaired would cost? Without the price of the part?

[@rawwlyoubeezy2421]

so I have a 2001 Honda Accord coupe but I can't find an eld for that year. will a 2002 fit my 2001? thanks

[@mctobbsi]

Hi James! I Think it was probably showing amperage on the ELD(A) PID!? Just a guess though.

[@jamesdanner7850]

+Tobias Jonsson good one tho. Never paid attention to that one before

[@tutiktokerfavorito2075]

Bro i have check engine light on with this code, but in the fuse box dont have the ELD and nor does it have the connector where the part goes, what can I do?

[@juscielrodrigues1244]

honda new civic 2008 flex esta com codigo p1298 mais não possui esse eld nesse lugar VC pode me ajudar localizar ele

[@billrimmer5596]

Good afternoon James. Where do u get the t pins that u and your brother use for back probing? Thank u! Anytime u use the Vantage Pro for recoding then viewing the recording it would b helpful to go over that where we can watch u push the buttons. U do it so fast u lose me.

[@jamesdanner7850]

+Bill Rimmer got it. . T pins are wig pins from Sally beauty supply. ..my wife owns a salon... ha

[@HowTwo007]

So i have a 02 accord 4 cyl sedan. After having it sit for 2 weeks and i went to start it it refuses to start the fuel pump wont come on and engine light is one. So it cranks and turns over perfectly but wont start. I have an obd scanner coming in the mail in 2 weeks but want to figure this out asap. I removed the fuel pump and connectes it to the battery directly and it comes on and works fine. I changed the main relay and it made no difference. when ever i connect the pump to the car it wont come on. Also even thought the battery is full whenever i crank the car in that breif moment all the lights come off and the clock resets. I canot even get windows to move. Any advise would help Edit: turns out it was a bad ground

[@jeurycisneros17]

Fuel pump relay

[@HowTwo007]

@@jeurycisneros17 thanks. I found out it was a bad ground

[@texmex8615]

Nice video, I have a 97 prelude with charging issues, a new battery has been installed and the alternator was rebuilt and tested fine afterwards off the car. When I turn on car it starts at 14.1 volts then slowly just draws the battery down, when electrical load is applied it reads about 13.5 and eventually the battery light and E brake light on gauge will illuminate once the voltage gets lower. I cleaned up the grounding points and checked cables for excessive resistance and even installed my obd 1 ECU to see if that could be the problem, same results occured. No CEL light has came on but do you still think this could be the cause and not allowing ecu to send the signal to alternator? I am still going to remove and visually check it meanwhile. Do you have any other suggestions, thanks in advance.

[@jamesdanner7850]

+Tex Mex 86 that's a good question. I'll try to research it a little and get back. I'm not sure what you mean by an obd1 computer. Anything in USA should have obd2 96 and up

[@texmex8615]

On hondas you are able to do an obd2 to obd1 conversion by using a wire harness and obd1 ecu for tuning purposes. I swapped it to rule out the ECU as the problem

[@stichy420]

@@texmex8615 was this your problem?

[@anoktokbatosai8113]

hey James, will this effect the alternator voltage?

[@SerenoOunce]

Sort of... More accurately, I believe it controls the duty cycle of the Alt.

[@stevewilson4321]

@@SerenoOunce Ok so depending on by how much the duty cycles changes (time on vs time off) wont a bad ELD mimic a bad alternator?

[@swav100]

good video.. did YOU! finish your brothers truck yet.

[@jamesdanner7850]

+swav100 yeah. He just wants to drag it out as far as he can. Ha

[@geraldvaldez6036]

10 cents check, at idle runs on battery voltage with no major electrical load. To test, turn on headlight then see if battery voltage goes 13.5V to 14.8 V. ELD should be ok. My thought.

[@GUANAJUATOMEX]

Thanks wat the name of the part the one you change

[@HeyMrFarley]

I JUST CHANGED A WHOLE ALTERNATOR BECAUSE THE BATTERY LIGHT CAME ON AND THIS WAS THE PROBLEM THIS COST 22 DOLLARS TO FIX THAT ALTERNATOR WAS 471!!!

[@one-n-onlyhq9294]

So this fixed the alternator charging issue

[@AR-tg2pz]

Will this ELD mess with the ECU? I have an issue with the O2 sensor heater wire there is a malfunction and I just changed it but the issue still persist. I wanted to know if the ELD had anything to do with that issue. Can anyone help?

[@jamesdanner7850]

+Alder Ruiz not sure. What year and model and what is the o2 code number?

[@TrimJazz]

james happy belated birthday, 18 again?

[@jamesdanner7850]

+Trim Jazz yep. Somewhere around the 29th aniversary of my 18th birthday

[@TBKwolfwolf10]

I have a 96 integra, that was B20B engine swapped and i have a code for a P1298 (ELD) but i go to the fuse box and their is no ELD, like no slot, so im at a stand still any help on that?

[@jamesdanner7850]

Urs is probably built into the fuse box. Some were. U gotta change the whole thing

[@TBKwolfwolf10]

@@jamesdanner7850 comes to find out changing the O2 sensor gets rid of the code.

[@erictech201]

TBKwolfwolf10 holy shit you’re right I had two bad o2 sensors and bam changed the o2 sensors booooommm code 01298 went away!!!

[@TBKwolfwolf10]

@@erictech201 I'm glad I was able to help someone out!

[@codywichman213]

I'm sure that will not set the cel for that code. I've seen most of those elds fail at 4.5v always voltage high failure

[@jamesdanner7850]

+Cody Wichman yea. It looks like the computer supplies that voltage and it gets pulled down

[@miguelfussion]

have odyssey 2006,where is located?ELD !

[@dhestondh]

Do you know how to bypass the electronic load detector so the alternator was stay at higher voltages all the time please let me know because my system is suffering because of it

[@jamesdanner7850]

+Don Heston sorry. I never tried

[@dhestondh]

+James Danner I've read that if you put a 820 Ohm resistor on it that it'll drop the voltage enough to make the alternator stand high output mode if you Google it it's under is Steve Meade post it goes into detail with a relay and everything but from what I've read if you just use the resistor will do it check it out

[@AR-tg2pz]

sorry the code I actually got was p0141

[@toprincegold]

What about 2000 I don't see a 2000

[@isjesse1]

what year of car is this

[@jamesdanner7850]

+Jesse Langdon 01 civic. Sorry I wasn't clear

[@isjesse1]

+James Danner oh, got this code on my 98, yet I don't have a eld

[@jamesdanner7850]

Some of the older ones it was part of the whole fuse box. I'll look into it

[@jamesdanner7850]

+Jesse Langdon my Mitchell program shows one in fuse box behind right strut tower. It's top left if u are looking at it with the 2 main power wires on the left. Looks like 2 offset screws with maxi fuses at either end

[@isjesse1]

Am I able to replace my fuse box from 98 to a fuse box from a 2001+

[@labortechs5661]

What an ELD" is an electric ... load detector. Lol😂

[@mikethompson3534]

Dorman garbage parts

[@Blazer02LS]

Typical over engineering. Reads the amps being drawn across that bar, converts it to a voltage and that tells the ECM how much current the alternator needs to put out to keep things happy. Basically takes the place of the voltage sense wire on most other brands.

[@jgizzy]

Amperage is a much better way to sense load. You can still have a high voltage with bad cabling but the current will be reduced causing you problems. This way, measuring amperage, it cannot happen.

[@user-yn6nr2cc1m]

A whole lot of bla,bla, bla,replace the part already an fix it

[@wang744]

Them "O's" are horrible

[@juscielrodrigues1244]

honda new civic 2008 flex esta com codigo p1298 mais não possui esse eld nesse lugar VC pode me ajudar localizar ele