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03 civic with new battery and terminals won't turn over and has no power except to the brake lights, what am I missing?

Have you checked fuse's # 19 & 20 40 & 80 amp fuse's . Located in the under hood fuse/ relay box. Also the ELD unit electric load detection in the under hood fuse box . Do you have an know how to use a DVOM - digital volt ohm meter ,how to read a wiring diagram ? free wiring diagrams . Watch a few videos on yourtube for basic automotive electrical testing , Look at electrical distribution wiring diagram , start at the battery , check battery voltage , check at power distribution box Fuse's . Can you do that ? Honda ELD Is the B+ voltage at the I/P fuse box . Check B+ voltage at the ignition switch . Only U can find the problem by electrical testing , we would only be guessing .

Mar 02, 2017 | Cars & Trucks

1 Answer

P1298 code

CODE P1298. ELD Circuit High Voltage.
Possible causes:
- 7.5 Amp fuse in under the dash fuse/ relay box.
- Repair open wire between 7.5 Amp fuse and ELD.
- Check for open wire between ECM/ PCM and ELD.
- Substitute a good-known ECM/ PCM and then recheck.

May 03, 2013 | Honda Civic Cars & Trucks

1 Answer

Codes 1298,1706 need to find the problem!

Electric Load Detector (ELD) Circuit High Voltage
-ELD ground wire open or short.
- Wiring harness
Open in Transmission Range Switch Circuit
- Wiring harness.
- Transmission range switch maladjusted.
- Transmission range switch defective.

Apr 17, 2013 | 2001 Honda Civic

1 Answer

P1298 eld voltage hign

P1298 Electric Load Detector (ELD) Circuit High Voltage.
Possible causes:
- Fuse.
- Wiring.

Mar 17, 2013 | 2004 Honda Civic

1 Answer

My 99 cl has a check engine code of P1297 it says the ELD circuit low input. What does this mean and how do I fix it?


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This is just a fancy way of saying your instrument panel lighting is based on diodes.

Electroluminescent display: (More than you really want to know)

Electroluminescent Displays (ELDs) are a type of display created by sandwiching a layer of electroluminescent material such as GaAs between two layers of conductors. When current flows, the layer of material emits radiation in the form of visible light. Electroluminescence (EL) is an optical and electrical phenomenon where a material emits light in response to an electric current passed through it, or to a strong electric field.
Mechanism EL works by exciting atoms by passing an electric current through them, causing them to emit photons. By varying the material being excited, the colour of the light emitted can be changed. The actual ELD is constructed using flat, opaque electrode strips running parallel to each other, covered by a layer of electroluminescent material, followed by another layer of electrodes, running perpendicular to the bottom layer. This top layer must be transparent in order to let light escape. At each intersection, the material lights, creating a pixel.

Since you have a low reading, I'd check the wiring for a corroded ground or frayed wire,

All the best


Jun 05, 2011 | 1999 Acura CL

1 Answer

I need to replace the ELD sensor on my crv

Do you need to replace the Electrical Load Detector (ELD) or a sensor? The ELD is located inside the fuse and relay box that is in the engine compartment. The ELD proper is between the the 80A and 40A fuses. You will have to take out both of those before you can get at the ELD itself.

Before you start into the electrical system, disconnect the negative terminal of the battery.

You will have to detach the whole fuse/relay box from where it is mounted. You can use a flat-head screwdriver to pry the retaining clips near the corners to accomplish this. Once you have the box loose, you will need to take the bottom cover off as well. There are six places on the bottom that yu will need to use your screw driver to pry against.

Once you have the bottom cover off, you will need to use your screwdriver to push in the tab that locks the electrical connector onto the ELD. Now the ELD will come out easily.

Remember, when you reassemble it, the new ELD will only go in with the same orientation that the old one came out with. Make sure you take note of how everything was aligned before you take anything apart.

Good Luck and God Bless

Jul 20, 2010 | 2002 Honda CR-V

1 Answer

My brother in law asked me to find out what is the purpose of the eld unit inside the under-hoodfuse/relay box? he has a 1998 honda civic. we cant get the alternater to charge,even after changeing it out...

The ELD unit or Electrical Load Detector functions to monitor and regulate the output of the alternator. The ELD is located in the fuse box under the hood near the battery. It's a (typically) red rectangular box.
If the ELD unit is malfunctioning, it is very possible that it is preventing the alternator from putting out a charge. I do not know of a way to test it, other than to replace it.
Just to make sure, first check all battery connections, including the engine ground, for corrosion. All terminals and wires should be super clean, in order to rule out such a simple matter of a poor connection (this is very common). Also , make sure the power wires going into the fuse box and the ELD socket are free of corrosion.
I hope this helps. Good Luck!

Jul 30, 2009 | 1998 Honda Civic

2 Answers

P1298 Code Fuel/Air Metering

Are you sure you wrote the correct code. According to Honda, P1298 is a high ELD circuit voltage. If what I just put is correct, Honda has a service bulletin as this is a common problem( it could be another fault, but this is the most likely choice).
The ELD has a bad solder joint. I have done several of these, you will need to replace the ELD, and this is how.

1 D/C the negative battery cable (make sure you know your radio code, it will be needed to use the radio again)
2 Unbolt the fuse box that is in the engine bay.
3 Attached to the fuse box underneath there is a plastic cover, remove this cover.
4 There is a 3 pin connector under this cover. Remove it
5 Flip the fuse box back over, there are 2 big fuses bolted down, a 40 A and a 80A
6 Under these fuses is the ELD, remove it and pull the bar that sticks out of it.
7 Stick the bar in the new ELD
8 Put everything back together. Do the idle learn (just idle the car for 10 minutes with no loads on such as radio, headlights etc..)

This is probably the first thing they will do if you bring it to Honda assuming the code you have is P1298.

May 05, 2009 | 2004 Honda Civic

2 Answers

I have a 2004 Honda Civic 4 cyl. That has a code P1298 ''Manufacturer Control, Fuel/Air Metering''. This, I believe is causing multiple cylinder misfires. Can anyone tell me what the culprit is of the...

OK. Here's how to diagnose the P1298 error.

DTC P1298: ELD Circuit High Voltage

1. Reset the ECM/PCM (see HOW TO RESET THE ECM/PCM ).
2. Start the engine.
3. Turn on the headlights.

Is DTC P1298 indicated?

YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the ELD and at the ECM/PCM.

4. Turn the ignition switch and headlights OFF.
5. Disconnect the ELD 3P connector.
6. Turn the ignition switch ON (II).
7. Measure voltage between body ground and ELD 3P connector terminal No. 1.

Is there battery voltage?

YES - Go to step 8.
NO - Check the No. 4 ACG (10A) fuse in the under-dash fuse/relay box. If the fuse is OK, repair open in the wire between the No. 4 ACG (10A) fuse and the ELD.

8. Turn the ignition switch OFF.
9. Connect ELD 3P connector terminal No. 3 to body ground with a jumper wire.

10. Disconnect ECM/PCM connector E (31P).
11. Check for continuity between body ground and ECM/PCM connector terminal E15.

Is there continuity?

YES - Go to step 12.
NO - Repair open in the wire between the ECM/PCM (E15) and the ELD.

12. Check for continuity between ELD 3P connector terminal No. 2 and body ground.

Is there continuity?

YES - Go to step 13.
NO - Repair open in the wire between ELD and G201.

13. Reconnect the ELD 3P connector and ECM/PCM connector E (31P).
14. Start the engine and let it idle.
15. While measuring voltage between ECM/PCM connector terminals A24 and E15, turn the headlights on (high).

Does the voltage drop?

YES - Update the ECM/PCM if it does not have the latest software, or
substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.
NO - Replace the ELD.

May 04, 2009 | 2004 Honda Civic

1 Answer

Not starting

1. It's not the voltage regulator, that only controls the batter getting charged and at what rate.

2. It's probably not the ELD, if it was, you could go autozone (does this for free) or another friendly parts store and have them pull the OBD II diagnostic codes ... if the ELD is bad,  it would probably be throwing code(s).

3. It may likely be the ignition switch ( electrical contacts probably or maybe mechanical part)

Honda had some problems with ignition switches going bad prematurely in the 96-00 timeframe.  Go to the official Honda Owner Link website and join there and plug in your VIN.  There was a recall for ignition switches,  they will let you know if yours is one.  It's not out of the question that they would still repair for free(that's why you got a Honda in the first place!).

Oct 29, 2008 | 1996 Honda Civic

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