Battery Current Drain - Toyota Yaris Forums

karlb · 12-09-2008, 01:46 PM

I have a 2006 Vitz 1.0L Automatic.. Is it normal that when switched off ( even with the key taken out) it consumes 170mA??

PaidTimeOff · 12-09-2008, 02:20 PM

Sounds normal to me. Batter has to be running to some of the electrical equipment. This is why you don't have to reset the clock every time you start up the car but do have to if you disconnect the battery. 170mA isn't a lot. My touchscreen cell phone uses about that much when I turn on the screen to check the time.

karlb · 12-09-2008, 04:03 PM

So this is not the case that i have a short or a leak somewhere!! this is normal!?!?!? has anybody checked, ever??

BailOut · 12-09-2008, 04:28 PM

Yes, that is a normal drain amount. I measured it while watching the effects of my solar trickle charger on the 12V battery.

Also keep in mind that even without any devices drawing current the battery still leaks some charge through gassing off. This is true for all rechargeable battery types but it is especially an issue with unsealed batteries. Most autos, including the Yaris, come with an unsealed battery (flooded lead acid).

12-09-2008, 01:46 PM	#1
karlb Drives: Vitz 2006 Join Date: Dec 2008 Location: Malta Posts: 2	Battery Current Drain I have a 2006 Vitz 1.0L Automatic.. Is it normal that when switched off ( even with the key taken out) it consumes 170mA??

12-09-2008, 02:20 PM	#2
PaidTimeOff OMGWTFKITTYKATMEWMEWMEW Drives: 2008 Yaris S Join Date: Oct 2008 Location: Hawaii Posts: 273	Sounds normal to me. Batter has to be running to some of the electrical equipment. This is why you don't have to reset the clock every time you start up the car but do have to if you disconnect the battery. 170mA isn't a lot. My touchscreen cell phone uses about that much when I turn on the screen to check the time. __________________

12-09-2008, 04:28 PM	#4
BailOut Steals terrorist's lunch View User's Garage Drives: 2007 Yaris Liftback Join Date: Mar 2007 Location: Reno, Nevada, USA Posts: 1,299	Yes, that is a normal drain amount. I measured it while watching the effects of my solar trickle charger on the 12V battery. Also keep in mind that even without any devices drawing current the battery still leaks some charge through gassing off. This is true for all rechargeable battery types but it is especially an issue with unsealed batteries. Most autos, including the Yaris, come with an unsealed battery (flooded lead acid). __________________ - Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs.

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12-09-2008, 04:03 PM	#3
karlb Drives: Vitz 2006 Join Date: Dec 2008 Location: Malta Posts: 2	So this is not the case that i have a short or a leak somewhere!! this is normal!?!?!? has anybody checked, ever??