ELD Electrical Load Detector

[JimIsbell]

I did a search on these forums and found no mention of this device or what it does. I found it in reading the maintenance manual from cover to cover and it is located in the under the hood fuse box. I would like to know if possibly this is the device that tells the IMA charging circuits to become more aggressive when you turn on the headlights? If so, it might be able to put a switch in here to simulate the headlights coming on and use it to very simply increase charging when needed. Far simpler than a MIMA.

[Insightful Trekker]

Nope. Not integrated with the MCM or BCM.

Read your Insight manual more carefully regarding these devices.

IIRC Honda has used an ELD since the late 80's

[JimIsbell]

I looked for ELD and found only the location, the plug configuration and the name, but nothing about its function???

[Insightful Trekker]

ETM pgs 10 & 23-3. FSM pgs 11-18.

Now here's where the going gets tough: FSM pgs 11-84, 86

The FSM & ETM have a prerequsite that you already have a good working knowledge of automotive systems.If you know how to read the above you _understand_ that the ELD has no "connection" to IMA control logic, the ECM utilizes this signal to calculate load and subsequent IACV output control.

[JimIsbell]

I dont know why the automotive industry had to adopt their own idea of schematics. The schematics in the FSM make sense. The schematics in the ETM make some sense but too often they are virtually unreadable to an Electronics Engineer.

Then to make things harder there is no reference to the ELD in any of the tables of contents ...except the one on connectors, which is where I found the reference to it, and the name on the front cover, the name was why I became intrigued. But even having been pointed to the references you cite. I still dont know its function except that it seems to be more oriented toward detecting several electrical usages (EPS ABS, defogger, and others but not lighting) and reporting it to the ECM. But what happens thereafter is unknown.

[Insightful Trekker]

Originally Posted by JimIsbell

I dont know why the automotive industry had to adopt their own idea of schematics.

There's no way to cram an entire carreer of knowledge into a FSM or ETM. Its only a reference point. And there's a balance of propritary systems vs. sufficient information for troubleshooting.

I _gave_ you the ELD's function. Headlights on/off is a significant ELD input. Its output is to the ECM. The ECM has NO contol functions reguarding the IMA system.

If you want to make it more difficult, ummm OK. But I'm done here.