Here is the 2002 EWD. Your 2001 should be the same.
http://www.teamtoyota4x4.org/archivi...mci/052rap.pdf
Describe your issue in more detail. No sign of power or it powers up but no sound? If no power ay all, check BOTH fuses ACC and DOME. Do NOT just look. Use a meter or swap in a known good one. Also check the fuses (in-line or built-in) on your new unit.
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'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap