What causes Honda Odyssey battery to drain while parked?

What causes Honda Odyssey battery to drain while parked?

Honda Odyssey: Battery Draining While Parked 1 Battery Cables. You’ll want to take a look at your Odyssey’s battery posts where they bolt to the battery. 2 Bad Battery. When the battery drains when parked, the odds are that it’s the battery itself. 3 Alternator. 4 Odyssey Battery Draining While Parked. …

How can I tell if my car battery is drained?

Worked fine until it sat for a couple days. Battery is completely drained. No interior lights were left on. When the battery was the doors are opened. They won’t cut on with that switch at all but the back lights do. They will cut on if you manually press them. The little orange light that lights up the center console is not cutting on at all.

Where are the fuses on a Honda Odyssey?

There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time. I thought if the AC relay could cause this problem, then any one could be a problem seeing that they are the same relay.

Where are the AC relays on a Honda Odyssey?

I notice that there are 10 relays with the same part number as the AC relay. There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time.

What to do if Honda Odyssey battery is draining?

A multimeter (set to 10A mode) was used by removing the negative battery terminal and connecting one meter lead to that battery cable and the other meter lead to the negative battery post (reverse/swap the meter leads if the meter shows a negative current draw).

When does a car battery start to drain?

If the battery drains when the vehicle sits for three or four days, that’s a lower amp draw than one that drains the battery overnight. Discovering the source of an electrical draw is a process of elimination. First, check the easy stuff.

How to fix a parasitic drain on the battery?

A failed diode in the alternator creates a closed circuit that drains your battery even when the engine is off. If you’re too busy during the workweek and can’t get to it until you’re off, some short term fixes are to disconnect the battery at night, and carry a portable jump starter in your vehicle.

What does it mean when battery drain is slow?

A slow battery drain when everything is off is called a parasitic power loss. This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn’t.

How long does it take for a Honda battery to drain?

The electronic parking (EPB) is applied within 3 to 4 seconds of the vehicle being shut off, or… The EPB switch is held for a 3 to 4 second duration when the vehicle is off The VSA modulator will continue to draw 350mA of power after the vehicle is shut off. More than enough to drain the battery after a day or two.

Is the Honda Accord battery subject to parasitic drains?

Honda’s Underpowered Battery is Subject to Parasitic Drains Model Year Problem Count Accord 2018 Won’t Start 1 2017 Battery Died Prematurely 2 Won’t Start 3 2016 Battery Dies Prematurely 10

Why does my Honda CRV battery keep draining?

Unfortunately this TSB only applies to a specific VIN range of 2017 CR-Vs. The A/C relay in 4th generation CR-Vs may stay engaged after the engine is shut off, according to TSB #A11090M. An electrical short and failed resistor means the relay gets stuck in the open position, draining the battery through the multiplexing system.

Honda Odyssey: Battery Draining While Parked 1 Battery Cables. You’ll want to take a look at your Odyssey’s battery posts where they bolt to the battery. 2 Bad Battery. When the battery drains when parked, the odds are that it’s the battery itself. 3 Alternator. 4 Odyssey Battery Draining While Parked.

How much current does a Honda Odyssey drain?

As an electrical engineer with 50 years experience I fail to see how you are measuring excessive current drain with a test light. It measures voltage, not current. To trace excessive current you have to start with a CURRENT meter at the battery and determine first how much current is being drawn. Several hundred milliamp is normal.

I notice that there are 10 relays with the same part number as the AC relay. There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time.

There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time. I thought if the AC relay could cause this problem, then any one could be a problem seeing that they are the same relay.

As an electrical engineer with 50 years experience I fail to see how you are measuring excessive current drain with a test light. It measures voltage, not current. To trace excessive current you have to start with a CURRENT meter at the battery and determine first how much current is being drawn. Several hundred milliamp is normal.

Worked fine until it sat for a couple days. Battery is completely drained. No interior lights were left on. When the battery was the doors are opened. They won’t cut on with that switch at all but the back lights do. They will cut on if you manually press them. The little orange light that lights up the center console is not cutting on at all.

Where are the sensors on a Honda Odyssey?

Open the rear sliding door (if a door has had problems, start with that door), when fully opened, on the car body door frame on the rear side you will see the latch on the body that connects to the door when closing. And below that latch are two small round sensors side by side that make contact with the rear part of the sliding door when closed.

When does the ODY elite battery stop draining?

When the car is running, the battery should not be draining. We have a 2018 Ody Elite with the “more powerful” gel battery. When I had around 5k miles the battery died and could not be charged because I left the radio on for 20 minutes or so.

What should the battery voltage be on a Honda Odyssey?

My battery (a 2019 with 16,000 miles) was losing around 0.1 volts per day when I was posting about my problem. It was at 12.2v then degraded to 11.9v before they replaced it as the first “fix” for my stereo issue. A healthy battery is 12.6v. There was a post on another Honda forum (for Accords) talking about the alternator charging logic.

When did Honda Odyssey get gel battery upgrade?

It will receive the sliding door recall, 9-speed transmission software upgrade, and the audio system upgrade (my date has read April 12, 2000 since day one). Am I justified in asking for the upgraded gel battery?

Why does my Honda Accord battery keep dying?

The battery is new, as of January and is an OEM Honda battery so I don’t think its that, but I am watching it for now. Battery is dead from the car not being driven. Just starting it & letting it idle doesn’t charge the battery, you are only drawing it down. Get a battery charger / maintainer.

Why does my ATV battery keep draining while riding?

A bad or corroded connected connection will prevent the charging system from topping off the battery when you are riding and may even cause a small drain of the battery on its own. Simply removing any corrosion from the terminal or fastening any loose connections may be adequate to fix this issue.

How can I Stop my Bike battery from draining?

Here are a few tips you can implement to prevent your battery from draining when plowing: Always plow in low range gear if your bike has this option. Make sure your battery is in good shape and not too old. Get a battery tender to top off your battery between each time you plow.

Why does my Honda Accord battery keep draining?

The batteries also suffer from parasitic drains that continue to draw power as the vehicle sits unattended. The drain could come from the vehicle stability assist (VSA) system, a faulty A/C relay, or the wrong battery charge management mode. Certain generations of Accord and CR-V vehicles chew through batteries.

The electronic parking (EPB) is applied within 3 to 4 seconds of the vehicle being shut off, or… The EPB switch is held for a 3 to 4 second duration when the vehicle is off The VSA modulator will continue to draw 350mA of power after the vehicle is shut off. More than enough to drain the battery after a day or two.

Is the Honda CRV battery subject to parasitic drains?

Honda’s Underpowered Battery is Subject to Parasitic Drains Model Year Problem Count Won’t Start 40 CR-V 2019 Dead Battery 17 2018 Electrical Drains 2 2017 Battery Keeps Going Dead 19

Why is the battery light on on my Honda Odyssey?

If your Odyssey’s battery light came on while you were driving, but before you parked, it could be the alternator. If you didn’t see a battery light, and now the vehicle is dead when you go to start it, the first thing that you need to look at is the battery.

Open the rear sliding door (if a door has had problems, start with that door), when fully opened, on the car body door frame on the rear side you will see the latch on the body that connects to the door when closing. And below that latch are two small round sensors side by side that make contact with the rear part of the sliding door when closed.

What kind of interior does a Honda Odyssey have?

A 7-inch digital Driver Information Interface displays customizable information, including Honda Sensing® indicators, phone calls and select app controls. Elite shown in Gray Leather. Leather-trimmed interior standard on EX-L, Touring and Elite. Heated, leather-wrapped steering wheel standard on Elite. Elite shown in Gray Leather.

What are the tail lights on a Honda Odyssey?

The contemporary design of the LED taillights is striking. 2021 Elite shown in Crystal Black Pearl with Honda Genuine Accessories. With a host of Honda Genuine Accessories like fog lights and roof rails, the customization possibilities are nearly endless.

Are there power sliding doors on the Honda Odyssey?

Power sliding doors standard on EX, EX-L, Touring and Elite. Elite shown in Forest Mist Metallic. Power sliding doors standard on EX, EX-L, Touring and Elite. The power sliding doors open wide for easy cargo loading and passenger entry, and can be remotely opened or closed from up to 50 feet away with your key fob. Elite shown in Gray Leather.

What should the battery be on a Honda Odyssey?

A healthy battery is 12.6v. There was a post on another Honda forum (for Accords) talking about the alternator charging logic. Apparently (per the post), the alternator was not outputting 14.4v (which is standard) until the lights were turned on.

How do you jump start a Honda battery?

Then, connect the other clip of the red cable to the positive (red) terminal of the dead battery. Connect the black clip of the jumper cable to the negative (black) terminal of the good battery. Then, on the dead battery attach the black clip of the jumper cable to a solid metal surface, such as a bracket or bolt to serve as the ground. Figure 1.