How do I know if my phantom battery is draining?

How do I know if my phantom battery is draining?

Pull the negative off the battery. Put the test light between the post and the ground wire. If the light illuminates, you have a draw. Use the fuse pull method to find the draw; when the light goes out, you found the draw.

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 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.

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.

How to find the cause of parasitic battery drain?

Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading.

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

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.

Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading.

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.