Wires Inside the Yaris & What They Do

[CTScott]

Yes

[kompressorgpl]

Hello! I have an alarm to put on my Yaris (from 2002). Where i can find a diagram of the car with that?

[AlexNet0]

use a multimeter and probe the wires, and make your own diagram, thats what I did when I installed my remote starter.

[charleschia1986]

Originally Posted by CTScott

The connector (4K) on the upper left in this picture, is the feed to the map and dome lights. White with a black stripe ground, Pink is the "door open" switched ground, and blue is 12V fed from the DOME fuse.

hi there,
may i know where can i find this stuff?

regards,
Charles

[CTScott]

Originally Posted by charleschia1986

hi there,
may i know where can i find this stuff?

regards,
Charles

If you mean where are the wires in the picture, they are right behind the pull out pocket on the bottom left of the dash.

[charleschia1986]

Originally Posted by CTScott

If you mean where are the wires in the picture, they are right behind the pull out pocket on the bottom left of the dash.

hi there,
so did ya mean it is located under the driver seat or passenger seat? because my driver seat is on right hand side.
regards,
Charles.

[CTScott]

Originally Posted by charleschia1986

hi there,
so did ya mean it is located under the driver seat or passenger seat? because my driver seat is on right hand side.
regards,
Charles.

In that case it's behind the passenger lower glove box.

[Sora65]

Originally Posted by CTScott

Correct.

Wait so i can put for than 1 wire in that hole?
Or should i use on of those clip things to wire?

i have no idea about wiring stuff :(
but i really wanna get some lights for the foot area..

[CTScott]

Originally Posted by Sora65

Wait so i can put for than 1 wire in that hole?
Or should i use on of those clip things to wire?

i have no idea about wiring stuff :(
but i really wanna get some lights for the foot area..

Use the clip things (tap splices). Just sticking the wire in along side of the existing wire does not make a reliable connection.

[Sora65]

But where im getting at is right?
i could put the wire i need powered in the same hole as the blue one where theres 12v?

[CTScott]

Originally Posted by Sora65

But where im getting at is right?
i could put the wire i need powered in the same hole as the blue one where theres 12v?

Yes. That blue +12 is always on though. The pink is switched ground for the inside lights.

[yoxx]

How to plug in a water temp gauge?
All I really need is the signal for the temp

wich one is it, please HELP

[CTScott]

Originally Posted by yoxx

How to plug in a water temp gauge?
All I really need is the signal for the temp

wich one is it, please HELP

There's a 2 pin connector to the engine coolant temp sensor. It has a pink and a blue wire that go to pins 96 (pink) and 97 (blue) on connector C20 of the ECM.

Conn C20.jpg

[yoxx]

Where r this locate it, for some reason I can't find this box you r showing me, been looking under the hood for an hour and I can't find it

[aucorium]

and the speed sensor wire ?

[CTScott]

Originally Posted by yoxx

Where r this locate it, for some reason I can't find this box you r showing me, been looking under the hood for an hour and I can't find it

With the hood open it is to your left (the car's right) against the firewall. It is the big silver box with the two large connectors.

[CTScott]

Originally Posted by aucorium

and the speed sensor wire ?

The easiest place to tap it is at the speedometer. It is the pink wire in pin 17 of connector D1, which is the larger of the two connectors.

Conn D1 - Combination Meter.jpg

[yoxx]

Originally Posted by CTScott

There's a 2 pin connector to the engine coolant temp sensor. It has a pink and a blue wire that go to pins 96 (pink) and 97 (blue) on connector C20 of the ECM.

Attachment 30002

hey ctscott

i got a little problem
the water temp that i got, only have one wire for the water temp? wich one should i use for this? the pin 96 (pink wire) or pin 97 (blue wire)