I read some info on the IS250 but for a 2008, I tried looking for the starter circuit but for the life of me I could find it. Looked behind the glove box but nothing tested right, by the 2008 diagram it's a light blue wire, the rest are dark blue. Could the color of the start wire change over a year?
Does anyone have a diagram for the 2009 IS250's?
and if you've done one is the wire in the front of the modual or the back? How about the brake pedal switch?
Thanks in advance
If you are just doing an alarm then you could just do a "starter kill" setup on the brake wire since you need to step on the brake to actually turn on the car. Interrupt it with the starter kill and it wont let a person turn on the car even though they have the smart key. Also your ignition would be any fuse that has "hot only on ign". If you are doing an alarm/rs then you could do the same thing and use the ground while running wire to interrupt the ground while armed wire when remote started. We dont even bother to do a starter kill on these cars anyway.
According to the 2008 it says it at the modual behind the glove box but this is a 2009, I'd still like to know and it has to have a starter kill because it's a payment system for credit unions that I'm working for.
Anyone else?
I would say the same as enice, that you could just interrupt the brake wire with a relay.
I would think that if you looked around enough under the hood (maybe in the underhood fuse box?) you might be able to find a true starter wire.
And you can get ignition at a whole bunch of different places under the driver's dash. Just test around there, there are many ignition sources.