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ATTN: Scion Techs, Problem Diagnosed!

Old Feb 17, 2009 | 05:51 PM
  #41  
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push starting is a bad idea with the tc.....do not do it!
Old Feb 17, 2009 | 05:52 PM
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yea its stick, one of my buddies already suggested push starting it and i do live on a fairly large hill, the only problem is if it didnt start...it would impossible to get it back up the hill, haha
Old Feb 17, 2009 | 05:53 PM
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DO NOT PUSH START IT!
Old Feb 17, 2009 | 05:54 PM
  #44  
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Originally Posted by youngflyer
push starting is a bad idea with the tc.....do not do it!
Why not?
Old Feb 17, 2009 | 11:33 PM
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alright idk wtf to do...
does any one have the wiring schematics and stuff for a 08/09 tC?
Old Feb 18, 2009 | 12:22 AM
  #46  
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Toyota TIS
Old Feb 18, 2009 | 12:25 AM
  #47  
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eh, Thanks but i dont want to pay for it. haha
im so strapped for cash right now, this came at the worst time.
Old Feb 18, 2009 | 12:26 AM
  #48  
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It's going be time consuming, but check to see that each and every fuse is working. And I'm not talking about just looking at the fuse, I'm talking making sure there is a connection between both sides inside the fuse box.
Old Feb 18, 2009 | 12:34 AM
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thats what im going to do tonight.
gonna start checkin everything with a multimeter.
Old Feb 18, 2009 | 12:41 AM
  #50  
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Originally Posted by yellowxhoodie
thats what im going to do tonight.
gonna start checkin everything with a multimeter.
Have you tried replacing some of the fuses relating to starting the car with new fuses? I've had that issue with fuses before where to the eye it looks good, but it is actually blown.
Old Feb 18, 2009 | 12:46 AM
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no i check them all and cleaned the ones that looked dirty but i havent replaced anything yet.
Old Feb 18, 2009 | 12:52 AM
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(I still question the relays even more than the fuses - at least fuses have no moving parts to gum up...)
Old Feb 18, 2009 | 01:06 AM
  #53  
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I would agree Tomas. I have no idea how to check relays other than listening for them the click on. Fuses are cheap and easy to swap back and forth.

Can you just apply power to one side of the relay and it should click over to the other? Electrical stuff confuses the heck out of me hence why I went mechanical instead of electrical.
Old Feb 18, 2009 | 01:09 AM
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Here's a write up how to check automotive relays as I was curious:

http://www.ehow.com/how_4596906_test-car-relay.html
Old Feb 18, 2009 | 01:37 AM
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yea i know how to check fuses, thats what ill be doing first.
thanks
Old Feb 18, 2009 | 02:29 AM
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wellll GREAT NEWS.
the car showed its first sign of life today. lol

put the key in the ON position and took a piece of wire and jumped the ground on the starter to the clip and the car started up.

so hopefully tomm night i can totally determine the problem and get whatever parts i need, i dont wanna drive it until then because i dont feel like "hotwiring" it everytime i need to start it and i dont want to get stranded and have to pay for a tow again.
Old Feb 18, 2009 | 03:13 AM
  #57  
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well, that means we know it's a fuse or relay! yay!
Old Feb 18, 2009 | 03:47 AM
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I'd bet on the relay first.

http://scionlife.org/Scion_Docs/2007...20starting.pdf
Old Feb 18, 2009 | 04:12 AM
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i dont understand that diagram, lol
but i believe its the purple one, can anyone verify?
Old Feb 18, 2009 | 04:44 AM
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Start at the lower left corner (battery) and follow the power straight up through the fusible link, through the 120A alternator fuse and the 15A AM1 fuse to the ignition switch.

With the ignition in the start position the green wire is live, and sends power to the 7.5A start fuse.

From there it goes through the yellow wire to the clutch start switch, which makes sure the clutch is depressed before allowing the starter relay to operate. (The other side of the relay coil goes to ground to complete the circuit.)

There are a number of connectors in the path, too, any of which could be making poor connection.

Assuming we got the relay to operate, we need to go back to the battery and follow the power to the starter solenoid (inside the starter).

So, back to the battery in the lower left corner, up through the fusible link and do a quick right turn through the 30A AM2 fuse to the ignition switch.

If the ignition switch is in the start position it sends power down to the switched side of the start relay.

if the relay coil was getting power, the switch should close sending power to the big red wire down to the starter.

Once the starter gets power there, the solenoid pills in and connects a LOT of power to the starter through the VERY big wire direct from the battery.

What I don't understand is you connected the ground lead of the starter to ground?

There are two HOT leads to the starter, the big red one (A) and the bigger black with red stripe (B).

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