Ecu Drawing 2 Amps While Car Is Off - DIY Omex Loom | ClioSport.net / To keep the memory alive while the car is off, the ecu has a direct line, through a fuse, that goes right to the battery.. 2008 highlander hybrid new battery died, and we've been having problems, so i checked the amps, and we're losing about.47a to.6a to some sort of parasitic load. While the connector is off check for the presents of engine oil which sounds kind of weird. This is the best way i have. I have a pretty solid understanding of most car systems through working on my own car and doing tons of online research, and i understand a decent amount about what is done when you tune our reflash an ecu, but this is. I powered up a lot of pins and when properly powered the ecu should draw around 400 ma of current.

Onboard ecus may run for a short while after going to ignition off and so my original thought (which i didn't. While a typical car is off, how many amps does it pull from the battery? This is the best way i have. I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested. My battery was drawing about 85 milliamps when the car is off.

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The challenge facing techs is not only to verify that the ecu is faulty, but also to identify what killed it in the first place. I am all in for quality. I powered up a lot of pins and when properly powered the ecu should draw around 400 ma of current. If cruise control is off and you press the res button again it will reset the cruise control to 0 km/h. I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested. Parasite current draw tests can be a nightmare. I know im going to get an inteli by comparison, strobes, leds, and monitors draw a minimal amount of power. Once i got home i checked the voltage coming off the battery and it was low.

Hi, this engine control unit (ecu), is just like a eprom, you need to connect to a laptop/system to reprogram it.

The challenge facing techs is not only to verify that the ecu is faulty, but also to identify what killed it in the first place. 2008 highlander hybrid new battery died, and we've been having problems, so i checked the amps, and we're losing about.47a to.6a to some sort of parasitic load. A 9 amp drain would take quite a while to drain a good battery, perhaps overnight. Thick wires are 12v (incl black wire) and thin wires are ground. An engine control unit (ecu), also commonly called an engine control module (ecm) is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance. I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested. To keep the memory alive while the car is off, the ecu has a direct line, through a fuse, that goes right to the battery. When a car has battery drain proper testing is vital to finding the problem. (as it turns out, this old slow dog ecu, makes a perfect worst (the ford maf drawing, is no clue to this). The battery is a toyota battery, replaced under. Once i got home i checked the voltage coming off the battery and it was low. Wiring in two or more amps is more complicated than wiring a single amp, but there are situations that warrant the extra work and expense. While a typical car is off, how many amps does it pull from the battery?

I guess i should have clarified this in my answer. Thick wires are 12v (incl black wire) and thin wires are ground. Try to hold the car in a particular zone until the plus or minus sign turns into an. (as it turns out, this old slow dog ecu, makes a perfect worst (the ford maf drawing, is no clue to this). I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested.

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The ecu also needs to be powered up via a car battery or power supply. I traced the reason to my battery dying to my alternator drawing 3.4amps when the car is off. Dedicated solutions i did not quite understand that part. You can look at raw can data by running. My battery was drawing about 85 milliamps when the car is off. To keep the memory alive while the car is off, the ecu has a direct line, through a fuse, that goes right to the battery. I am all in for quality. You're right rory but some vehicles take longer to come to rest.

One can use potentiometers to make sensors.

The battery is a toyota battery, replaced under. Onboard ecus may run for a short while after going to ignition off and so my original thought (which i didn't. 2008 highlander hybrid new battery died, and we've been having problems, so i checked the amps, and we're losing about.47a to.6a to some sort of parasitic load. These computers are called electronic control units (ecu) and communicate with each other over a network. /r/cars is the largest automotive enthusiast community on the internet. I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested. Thick wires are 12v (incl black wire) and thin wires are ground. I traced the reason to my battery dying to my alternator drawing 3.4amps when the car is off. While a typical car is off, how many amps does it pull from the battery? Ok, how do i figure out how many amps my car is pulling? Dedicated solutions i did not quite understand that part. (as it turns out, this old slow dog ecu, makes a perfect worst (the ford maf drawing, is no clue to this). This will expose the connector pins which will be used for testing purposes.

Try to hold the car in a particular zone until the plus or minus sign turns into an. You can check / modify this using the software, many after market ecu is available for two wheeler s and four wheeler s, but if you know mechanics (automotive) and little of electronics. While a typical car is off, how many amps does it pull from the battery? All cars use wiring harnesses to connect various sensors and accessories to the computer ecu in order for the systems to work. 2008 highlander hybrid new battery died, and we've been having problems, so i checked the amps, and we're losing about.47a to.6a to some sort of parasitic load.

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Onboard ecus may run for a short while after going to ignition off and so my original thought (which i didn't. Once i got home i checked the voltage coming off the battery and it was low. I hooked it up to a charger and let it do its thing, but ultimately the battery appears to have a bad cell when load tested. Thick wires are 12v (incl black wire) and thin wires are ground. Hi, this engine control unit (ecu), is just like a eprom, you need to connect to a laptop/system to reprogram it. I traced the reason to my battery dying to my alternator drawing 3.4amps when the car is off. To keep the memory alive while the car is off, the ecu has a direct line, through a fuse, that goes right to the battery. I guess i should have clarified this in my answer.

The challenge facing techs is not only to verify that the ecu is faulty, but also to identify what killed it in the first place.

You can look at raw can data by running. One can use potentiometers to make sensors. /r/cars is the largest automotive enthusiast community on the internet. Wiring in one amplifier can be complicated enough, especially when you're dealing with a factory car. A 9 amp drain would take quite a while to drain a good battery, perhaps overnight. Fixed issue with mod spamming ecu_mod_logs.txt when pressing the write chip button and the programmer would write the error messages to the screen. Also know that some cars newer, the ecu will kill spark then fueling of it sees the cmp and ckp grossly out the winner is below. I know im going to get an inteli by comparison, strobes, leds, and monitors draw a minimal amount of power. You're right rory but some vehicles take longer to come to rest. I guess i should have clarified this in my answer. I am all in for quality. While a typical car is off, how many amps does it pull from the battery? In cells of the left column there are descriptions of particular options, while in the right column there are its values.