Hey Richard, tephra has a map switch for the evo X now so there's another diagram you can make. See the second post here:
http://forums.evolutionm.net/evo-x-e...raxmod-v1.html
for USDM cars, white goes to ground, black goes to pin 115 through a resistor.
On non-USDM cars without an evap/purge solenoid, the pink map switch wire goes directly to pin 112.