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2019 Forester 2.5 Premium CVT, SI-Drive (S & I modes) Auto Start/Stop
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228 Posts
Discussion Starter #1
BTW in the AUS Spec SJ NA 2.5 Forester the Auto Start-Stop is disabled when a trailer is connected :)
 

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2014 Forester CVT
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29 Posts
start/stop question

I understand that the 2019 Forester will have start/stop engine technology ( God help us). I was wondering if anyone knows if it can be deactivated.
Thanks for any info you can provide.
 

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2019 Forester Sport
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2,452 Posts
It can not based on other regions of the world that have this technology already in their vehicles.
 

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2018 Forester
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305 Posts
I understand that the 2019 Forester will have start/stop engine technology ( God help us). I was wondering if anyone knows if it can be deactivated.
Thanks for any info you can provide.
Looking at the instructions above, I guess you can technically disable it if you don't wear your seat belt, but that isn't a good tradeoff.

Otherwise, you can learn to press the Auto start/stop disable everytime you start the car.

Otherwise, you can train yourself to press lightly on the brake instead of all the way down.
 

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2017 2.5i Touring SBM Lineartronic CVT with X-Mode
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262 Posts
Sounds like it would be easy to make a plug for the trailer connection module to keep the auto start/stop feature from activating. All you would need is a pinout or schematic to figure it out.
 

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2016 Toyota RAV4 Auto
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150 Posts
How to permanently disable Auto Start Stop System

The voltage regulator is optional in case if you simply unplug the wire it may throw an error code.
Where the wire in 19 Forester and Crosstreck?
 

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2018 2.5i Premium CVT
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18,832 Posts
If a voltage regulator will handle the job, then I would expect that a simple 2-resistor voltage divider would work as well.

I don't have a 2019 to experiment on, and since I expect my 2016 and 2018 to live forever, I probably won't ever encounter this.
 

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2016 Toyota RAV4 Auto
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150 Posts
80 SUBIE

Congrats!
Can we ask you about your 19 Sport?
Please check the battery. Is there is a 3rd terminal for a small wire? If yes, it would be AutoStart wire that tell ECU the battery condition. Any photos would be nice. Not just the battery.
 

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2019 Sport cvt
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152 Posts
Too late tonight but will try to get some pics soon. I know there have been some questions about lights, etc., and I'll try to get under the hood, too. Thinking back, it seems like except for the spare tire, there wasn't much under the hood on my 1980 (w/o a/c!).
 

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2018 2.5i Premium CVT
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18,832 Posts
I originally came here today to suggest an approach of powering a relay from the brake lights and wiring it across the switch. This would automatically 'press the button' the first time you applied the brakes, and you would be good for the rest of the trip. But if the jumper approach works out, it's the best! Yours for the price of an inch or two of wire.

Edit: Oops,good try, but the manual says that a subsequent press turns it back on. Back to the drawing board. Cross fingers for the super simple jumper approach in the video above.

Next Edit: How about a latching relay? But once again, cross fingers for the super simple jumper approach in the video above.
 

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2018 Forester
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6 Posts
Fuse for Auto Start Stop in 2019 Forester

Is there a fuse or relay that controls the Auto Start Stop feature in the 2019 Forester? Some may like this feature but it has denied us the enjoyment of our new vehicle. Anytime the engine stops while I'm on the road causes my heart to skip a beat. In my youth I had to drive cars that I had to work on to keep running. Anytime a vehicle stopped running at a stop light or in traffic I was experiencing trouble and a safety concern.

I'm aware of the button to temporarily disable this feature but I want to permanently disable this feature.

Unfortunately, after much searching, I am unable to find definitions for the fuse box abbreviations in this vehicle.
 

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2018 Forester
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6 Posts

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19 Forester Sport
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42 Posts
Has anyone tried to hook up a trailer hitch wiring plug. I wonder if that would permanently trick the auto start system.
 

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2018 2.5i Premium CVT
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18,832 Posts
Somebody try the jumper hack and tell us how it went! I can't help, as my Foresters stop at 2018, and I suspect that they might even outlive me.
 

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2019 Sport cvt
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152 Posts
There is no presently identified convenient hack for the system. Being that it's an emissions related system, I'm reasonably sure they have spec'd out the starter to last "forever" as even with a drained swamp, it's unlikely emissions systems failures will be looked at lightly. In Ca. at least, disabling an emissions control device is also going to be a problem on those inspection years for registration.
 

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2018 2.5i Premium CVT
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18,832 Posts
The recently posted video says that the jumper hack works on the Crosstrek. It's easily reversable when needed. Somebody please try it on a Forester!
 

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Sahuarita, Arizona USA 2018 Forester Limited
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2,332 Posts
That Crosstrek video must be from Australia or Europe as the speedometer is in kilometers. Fortunately Auto Stop/Start has not come to the US Crosstrek yet (except for maybe the discontinued hybrid). Good reason to buy a 2019 Crosstrek if your on the fence between 2019 Forester and Crosstrek.
 
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