Subaru Key Switch Wiring Diagram Testing Subaru Pressure Switch 05-18-2017, 04:27 PM. Hi, first post here. If OK, you have to trace all wires to key components to determine where is the failure. That's the way we do it. Per the wiring diagram, the pressure switch has 4 wires.
Subaru Key Switch Wiring Diagram Brake Wire red/white or brown/white + brake pedal switch or driver kick Also found lt. green (+) at the BIU, 26 pin plug, pin 2. The BIU (Body Integrated Unit) is under the driver side dash. Parking Brake gray - switch or BIU, 28 pin plug, pin 15 The BIU (Body Integrated Unit) is under the driver side dash.
Subaru Key Switch Wiring Diagram That wiring diagram says it's for the 600/601 series. You never did say whether yours is a 3 or 4 cylinder 2000. If it's a 4 cylinder, then that schematic might be correct, but if yours is a 3 cylinder then it definitely is not, as the 3 cylinders did not have the separate starter switch outside of the key switch.
Subaru Key Switch Wiring Diagram Edit: does any one know how the ignition switch is supposed to be wired? I'm guessing the black/yellow wire go to the "s" on the back of the key switch (this line goes to the starter) and the other three I'm not sure. The rest of the letters on the back of the switch are b, a, ig, and r. I believe b is for battery and am assuming it is the