Question about 1990 Lexus LS 400

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A green light came on "ECT PWR", what does that mean?

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It means Electronically Controlled Transmission.

Basically in the older models there is an option to turn ECT on which allows for better acceleration as it's controlled electronically.

Hope help with this.

Posted on Aug 23, 2010

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1 Answer

What is ect prw mean?


ECT is electronic control transmission. You can turn it off and on. PWR changes the shift points.

Dec 21, 2012 | 1995 Toyota 4Runner

1 Answer

What does it mean when the green pwr light comes on?


I assume you mean the "ect power " light. This means the trans computer will hold each gear a little longer before changing down. It is turned on and off by a button on the console

Nov 03, 2011 | 1995 Toyota Camry

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Ect pwr light is on ....what does it mean Beth


ECT is the engine temperature control-is the engine running hot? Or unusually cold?

Dec 23, 2010 | 1999 Toyota Tacoma PreRunner

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What does ECT PWR green light on dash mean? It just popped up at 160k


Hello. Welcome to FixYa. Please allow us to assist you.

The ECT PWR light is on because someone has inadvertantly bumped the switch. Look on the console, by the shifter, or on the dash for a switch labeled ECT. Turn it off, and the light will go out.

The ECT PWR mode, when activated, increases the time that the transmission shifts up thru the gears. Without the mode selected, the first shift would be at 18-20 mph. With the mode selected, the first shift would be 20-22 mph. This mode basically allows the shift to occur later, and is normally used when you are towing something, or if you have a large load of cargo in the car.

Thanks for choosing FixYa for assistance. Have a great day.

Nov 10, 2010 | 2000 Toyota Tacoma PreRunner

1 Answer

Toyota RAV4 1998.ECT PWR green sign is on at all times,engine studders since start on parking on 500RPMS instead of "normal 1000 RPM's


Gren light is never a warning , I think it's related to trany mode.You probably accidently push ed botton for transmission mode selector.
Regarding RPM it may be separate issue.

Apr 28, 2010 | 1998 Toyota RAV4

1 Answer

On my 1993 toyota camry,green pwr light stays on


there should be a switch that says power/econ the light means you have it set for power ,find the button and push it and it will read econ, it is usually a green button on the center console.this changes the shift characteristics of your vehicle.

Jun 10, 2009 | 1993 Toyota Camry V6

1 Answer

Green light - alt pwr ?


needs a alternator have it check at a shop

Jun 02, 2009 | 1996 Toyota Land Cruiser

1 Answer

I have a 1996 L400. There is a switch ECT PWR. What is it for? What does it do? When should I use it?


Hi there;
The ECT PWR switch. ECT stands for Electronicaly controled transmission. This switch controls the shift pattern of the transmission. In the PWR possition it will delay the shifts somewhat to give your car more power.
You would use this if you are in a possition where you need to accerate quickly from a light or to pass someone & need more power.

I hope this helps
Farrout!

Mar 17, 2009 | 1996 Lexus LS 400

1 Answer

Green light ext pwr


The ECT/power light is controlled by the ECT switch on the console. WHat it does is stretches the shift point from 1-2 and 2-3 when you are carrying a large load, or towing something. For maximum fuel economy, the light should be switched off.

Feb 23, 2009 | 1995 Toyota 4Runner

1 Answer

ECT PWR light appeared on dash


ECT is you engine coolant temperature. i suggest you have you ect sensor inspected.

Jan 03, 2009 | 2007 Toyota Tacoma

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