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Old 07-20-2019, 11:57 AM   #1
salmanghiyas
Fugitive
 
Drives: 2007 Yaris 4 Door Hatch
Join Date: Jul 2014
Location: Pakistan
Posts: 86
Hybrid system goes off

Hello all,

I have a 2012 Yaris 1.5L Hybrid, I have just purchased this vehicle from another guy near my town.

I am facing a strange yet weird issue in the car, whenever there are 3 or more persons in the car, suddenly the car's hybdrid system goes off and the car goes to safe mode and runs only on gasoline, then I have a disconnect the battery terminal grip for few minutes to reset the ECU.

I am attaching the pic of the speedometer as well.



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Old 07-20-2019, 02:17 PM   #2
justanotherdrunk
 
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Drives: 2016 SE
Join Date: Nov 2015
Location: Silicon Valley
Posts: 1,136
we are not fortunate enough to have the yaris hybrid here in the us for well understood reasons

dont get me started!

good luck with the car!
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Old 07-21-2019, 07:13 PM   #3
IllusionX
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Drives: 07 Yaris Sedan Aero
Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
You seem to have a CEL as well. Perhaps you should get it scanned to know why you get this issue.

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Old 07-22-2019, 06:54 AM   #4
bob225
 
Drives: Yaris
Join Date: Feb 2019
Location: Kent,UK
Posts: 69
Do you happen to have the AC on ? What do you mean safe mode ?

Once you pull away and get above 25-30 MPH or give it more than 15% throttle the engine will kick in, The engine will start if you have the AC on or it detects the car needs more power or the battery pack is low

Look at the animation on the screen it tells you the battery state and power distribution

Once the car is in ready mode, Do the lights (symbols) on the dash go out (self check)

Is this your first hybrid ? There may not be an issue at all just you may need to change your driving style


The Hybrid is a good little car - It has the eCVT, not a standard CVT (belt driven) what you find in a standard Toyota Auto (non hybrid)
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Old 07-22-2019, 11:04 AM   #5
S4F1S
 
Drives: 2019 Yaris HSD
Join Date: Jun 2019
Location: Greece
Posts: 2
From the vehicle's manual:

Hybrid system warning light (warning buzzer)
Indicates a malfunction in the hybrid system.
Immediately stop the vehicle in a safe place and contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.

Apparently there's something wrong with the hybrid system. Nothing to do with the way you drive...
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Old 09-29-2019, 03:59 PM   #6
funky2nite
 
Drives: 2013 Hybrid 1.5L T4
Join Date: Jan 2011
Location: EU
Posts: 46
Would be nice to post An update of your final findings mate for others to learn
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Old 10-01-2019, 02:11 PM   #7
stykerdk
Yaris Hybrid Limited 2015
 
Drives: yaris Hybrid limited 2015
Join Date: Mar 2012
Location: Denmark
Posts: 176
If it isnt solved yet, it could be as simple as the filter for the cooler fan for the hybrid battery need a cleaning.
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