Toyota Nation Forum banner

21 - 28 of 28 Posts

·
Registered
Joined
·
32 Posts
Discussion Starter #21 (Edited)
... If you read the manual, it says to put the wipers in the “service” position by activating the wiper level up and watch the wipers sweep across the windshield. At about 2 seconds, turn OFF the car with the wipers in the vertical (“service”) position. ... This is a “work around” for a poor design IMHO. ...
Not trying to be contentious or an Avalon fanboy, but I'd be willing to bet that the wipes have been tucked down under the hood (and thus require the 'Service Position') for aerodynamic purposes - i.e., improved gas mileage. If so, I'll take the improved mpg over the occasional (rare?) hassle of the Service Position.

Also, if I am correctly reading your description for entering the 'Service Position' (sounds like something your doctor asks you to do, doesn't it? :wink:), I think you might have it a bit wrong. First, stop the engine. Then, simply lift and hold the wiper control in the 'Mist' position for two seconds. The wipes will go directly into the proper position for service.
 

Attachments

·
Semper73
2019 Avalon Hybrid L
Joined
·
17 Posts
You are being neither contentious nor a fanboy, just correcting my post (which is a good thing) and offering an opinion.

I fully agree that hiding the wipers behind the hood is more aerodynamic. How much is beyond my ability without a wind tunnel. LOL. But I also agree that I’ll take any increase in MPG, especially when the gas prices rise again (and I believe they will).

I reread the manual and you are correct. But it took a little trial and error to get correct.
Tried it with the engine off (just getting in). No movement.
Tried in in the ACCESSORY mode. No movement.
Tried it with the engine running. Movement (duh - MIST) but not to the service position (also Duh - MIST).
Shut the engine off and as the seat was repositioning for exit, I selected MIST for 2 seconds and VIOLA! - the service position.

So it seems the car must be in the “shut down” routine to get this “service position” because you can’t get it any other way. Once the car is totally shut down, there’s no juice.

Thanks.
 

·
Registered
Joined
·
32 Posts
Discussion Starter #23 (Edited)
Actually, I think there is, in fact, another way to get the wipers in the service position - but without having to start/stop the engine.

You tried Accessory mode (which is where you simply press the blue Start button once but without pressing the brake pedal) and had no luck. If you press the blue Start button a second time (again without pressing on the brake pedal), you enter the "On" mode where all of the electrical/electronic gizmos are powered but the engine does not start. Press the blue Start button a third time (again without pressing on the brake pedal), and it will turn off all of the electr gizmos. I believe you can now do the service position routine by Misting for 2 seconds.

I can't get to my car right now to verify this but I believe my memory is correct.
 

·
Semper73
2019 Avalon Hybrid L
Joined
·
17 Posts
Yep. Works on the third button push just like shutting off the engine but without turning on the engine. Good to know in case you forget to put them in the service position until AFTER you shut the whole thing down.

Thanks.
 

·
Registered
2019 Avalon Hybrid
Joined
·
167 Posts
Yep. Works on the third button push just like shutting off the engine but without turning on the engine. Good to know in case you forget to put them in the service position until AFTER you shut the whole thing down.

Thanks.
I also have the opposite [1st world] problem. In the car wash, when I exit, they towel dry the car... and they want to lift the wiper blades to dry the windshield. The problem being that to put them in the service position, I'll need to shut off the engine... and often they tell you pull forward because another car is coming off the line behind you.

I can't remember what happens when you restart the car. I think they stay in the service position, but I am not positive. I'll have to check it out tomorrow night when I get home again.

/Jim
 

·
Semper73
2019 Avalon Hybrid L
Joined
·
17 Posts
I also have the opposite [1st world] problem. In the car wash, when I exit, they towel dry the car... and they want to lift the wiper blades to dry the windshield. The problem being that to put them in the service position, I'll need to shut off the engine... and often they tell you pull forward because another car is coming off the line behind you.

I can't remember what happens when you restart the car. I think they stay in the service position, but I am not positive. I'll have to check it out tomorrow night when I get home again.

/Jim
They don’t return to the down position when you restart the car until you move the windshield wiper lever. So you should be able to restart and relocate without having to go through the “SPH” (Service Pisition Hooplah).
 

·
Registered
2019 Avalon Hybrid
Joined
·
167 Posts
They don’t return to the down position when you restart the car until you move the windshield wiper lever. So you should be able to restart and relocate without having to go through the “SPH” (Service Pisition Hooplah).
That is what I thought... but not being with my car I couldn't confirm. I guess once I exit the carwash and stop, I'll shutdown, do the SPH, then restart. Already, when I fill with gas (not too often) :smile:, I do the SPH in case the attendant decides to wash my windows.

/Jim
 

·
Moderator
Joined
·
6,628 Posts
Yes, I know what Toyota calls their PSD. Though, there is mentioning that PSD was assigned "CVT" designation for Toyota to be able to match Federal regulations and market transmission in the US. If you take simple look at PSD internals and compare it to any CVT internals, you will see that there is nothing in common and principles of operation are different. PSD is epicyclical gear set. More similar with that of a standard automatic transmission.

Peculiarly enough, they now added "shifting points" to PSD, mimicking a 6 speed automatic shifts. Allegedly, owners thought their transmissions were broken without shifting points.



This is old but very good course on PSD:




Have you noticed how the terms “rotation” and “revolution” are used? Those “power carriers” are sometimes affectionately referred to as “planets” and the motor in the center as “sun”. Knowing all that, it becomes clear why this PSD design has been officially named as a “Planetary-CVT”. It has absolutely nothing in common with the other type of CVT that utilizes a cone and a belt to transfer power, but it does feel like it is the same.



http://john1701a.com/prius/documents/Prius_Power-Split-Device_details.pdf
 
21 - 28 of 28 Posts
Top