This is a link to the factory service manual, and wiring diagrams,..
http://www.floptical.net/mazda/
TheMan has uploaded the 03 Transmission Supplement in recent years.
Perhaps @Antoine can help you figure it out?
I remember jacking up my car using the proper jacking points, and when I lowered the car, I noticed that both rear axle stands had punched through the frame.
That's when I lost all my enthusiasm for the car.
A year or two later, I had a metal plate welded in on the worst side, because it was...
You can test for parasitic power drain by disconnecting the ground from your battery and hooking up an ammeter across the disconnect.
If the ammeter is connected before disconnecting the battery, you won't break the circuit and upset any circuits.
You can also pull fuses and measure the current...
I just noticed this post of yours,..
The only time that I heard of problems with the cheaper all plastic valves, was when the car was turbocharged.
I figure that the extra vacuum pressure was wrecking the valves faster?
In that case an OEM Mazda valve might last longer, but they are...
This is what you need to replace,..
This is from rockauto.com
They are all the same valve.
The vacuum lines may connect differently
VTCS, VICS, EGR Solenoid Valve, and PRC Solenoid Valve
I noticed on my car that the PRC Solenoid Valve had a metal port on the one end.
That's the more...