Voltage and resistance reading on ECU
 

Does anybody have the voltage or resistance readings on any ECU?

Re: Voltage and resistance reading on ECU
 

Can you be more cryptic?

If I put my lead on one part of the ecu lid and the other on just about any other area of the ecu lid, I get about 3 ohm resistance and zero volts.

If you are talking about specific pins of the 50+ pins of a specific ecu, you will have to be more specific.

Re: Voltage and resistance reading on ECU
 

Lol. I checked for voltage on my ecu lid and it's only getting 100 horsepower. I was wondering at every pin. Does anyone have a schematic like that already? Thanks

Re: Voltage and resistance reading on ECU
 

no, yer welcome

Re: Voltage and resistance reading on ECU
 

What in tarnation are you smoking? voltage does NOT equal horsepower. I highly suggest you stop working on your vehicle until you know what you're doing. If you insist on doing it yourself, pick up a Factory Service Manual. It'll tell you VOLTAGE (not horsepower) at each pin

Re: Voltage and resistance reading on ECU
 

I believe this is a troll thread and you just got pulled in.

No ECU was named, obvious rhetoric was tossed out, and even when attempting to bring out the info, response was cryptic and vague.

Should just let this thread float to the bottom with the rest of the muck and mire.

Re: Voltage and resistance reading on ECU
 

I think hes being serious tomcat. Its harder for us to read it because younger generations are raised in burbles amd snaps, and were only use to reading Microsoft word outlines for texts. Todays generation doesnt use microsoft office, just smart phones


Anyways to answer your question, yes. There are multiple "pinouts" of ecus online to tell you wajt voltage to expect in every situation from every pin.

The factory service manual details these. You can also find the pins by searching on google

Re: Voltage and resistance reading on ECU
 

I'm 34 and an industrial electrician. I know its not horsepower and what manual tells you voltage? Every manual I own has color code and termination points. Thats it. I couldnt find one on here and was hoping everyone would chip in and make a diagram for the ones that want to learn. Help them come to an understanding just in case they have and open or short circuit.

Re: Voltage and resistance reading on ECU
 

The factory service manual provides voltage on many pins. However, it's not all in one spot.

For example, to test the O2 sensor, the FSM has you short together two pins and read the voltage between two other pins etc.

You would need to go through all the diagnostics and piece together all the bits of information into one consolidated reference.

Re: Voltage and resistance reading on ECU
 

Alright I guess I'll get a factory manual and do a write up on it.
Thanks,
Eric

Re: Voltage and resistance reading on ECU
 

I hope you understand that one FSM will only cover a couple of ECU's. You never did specify any specifics. As such your "write up" is not going to be any kind of end all be all resource, it will only be for the specific ECU of that trim and year vehicles.

The 92-5 civic manual does not apply to the 96-98 civic which is also different than the 99-00 civic, All of which differ from the similar year accords, which differ from the preludes which differ from the Acura integra, which differs from......

I think you get the idea.

Re: Voltage and resistance reading on ECU
 

Yes I understand. I'll even put the ecu part number. Just trying to help people learn on their own instead them having to post things repetitively. It'll give them a chance to do hands on themselves.