Cold start issue - Toyota Yaris Forums

vinny121 · 12-31-2020, 12:25 PM

Hey all,
My 165K Yaris doesn't want to start. When I turn the key, all I get is clicks, the engine doesn't make any noise. The 3yr old battery seems to be fine; it has 12.2 V. I checked OBD for codes and found none. Would anyone have any ideas on how to fix? Thanks for your help.
https://www.youtube.com/watch?v=3oRswndBVbM

WeeYari · 12-31-2020, 01:45 PM

If you haven't already done so, clean and reseat the battery terminals.

alanwagen · 12-31-2020, 06:51 PM

12.2 volts is low. You need to load test the battery. I think it's the battery.

vinny121 · 01-01-2021, 02:18 PM

I remove and cleaned the terminals with a steel wire brush then reseat them with dielectric grease. There was rust on the cabling and the terminal bolts but I think know the connections are now good. When I turned the key on, I noticed that the starter was turning the engine for a few secs but I didn't hear any ignition. Then the second time, I tried key on, I heard just 5 rapid clicks and the engine wont turn over. Thanks for the suggestions.

I connected jumper cables to it and then the yaris started fine. I think the issue was the rusty corroded battery terminals not allowing the alternator to charge the battery, I did a test drive and the yaris seemed to function normally. I tested with multi-meter and it has load voltage (ie headlights on) of 8.0V. I'll have to check the battery to see if the battery maintains 12.6 volts.

12-31-2020, 12:25 PM	#1
vinny121 Drives: 2007 Yaris Sedan Join Date: Jan 2011 Location: NY Posts: 25	Cold start issue Hey all, My 165K Yaris doesn't want to start. When I turn the key, all I get is clicks, the engine doesn't make any noise. The 3yr old battery seems to be fine; it has 12.2 V. I checked OBD for codes and found none. Would anyone have any ideas on how to fix? Thanks for your help. https://www.youtube.com/watch?v=3oRswndBVbM Last edited by vinny121; 12-31-2020 at 12:30 PM. Reason: add video link

12-31-2020, 01:45 PM	#2
WeeYari View User's Garage Drives: 06 5dr LE (deceased), 13 Soul Join Date: Oct 2008 Location: Georgetown, Ontario, Canada Posts: 5,827	If you haven't already done so, clean and reseat the battery terminals. __________________

01-01-2021, 02:18 PM	#4
vinny121 Drives: 2007 Yaris Sedan Join Date: Jan 2011 Location: NY Posts: 25	I remove and cleaned the terminals with a steel wire brush then reseat them with dielectric grease. There was rust on the cabling and the terminal bolts but I think know the connections are now good. When I turned the key on, I noticed that the starter was turning the engine for a few secs but I didn't hear any ignition. Then the second time, I tried key on, I heard just 5 rapid clicks and the engine wont turn over. Thanks for the suggestions. I connected jumper cables to it and then the yaris started fine. I think the issue was the rusty corroded battery terminals not allowing the alternator to charge the battery, I did a test drive and the yaris seemed to function normally. I tested with multi-meter and it has load voltage (ie headlights on) of 8.0V. I'll have to check the battery to see if the battery maintains 12.6 volts. Last edited by vinny121; 01-03-2021 at 04:04 PM. Reason: add link

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12-31-2020, 06:51 PM	#3
alanwagen Drives: 2015Yaris, Son's car, 10 Prius Join Date: May 2010 Location: Texas Posts: 183	12.2 volts is low. You need to load test the battery. I think it's the battery.