that's not PN, the SUZ part number starts with: 33920-nnLnn
n= number , L = letter,
no schematic, but i have 3 documents that: (8valve only)
1-showing injector wiring
2-a list of all transistors drivers and there location.
3-I also know the 5vref path (had a bad one and fixed it)
its made my mitsubishi and, no there are no schematics.
which is typical.
what does it do wrong? on spark, no injection, etc.?
have you changed the caps? (most will die, and soon if over 10yr)
here is my data:
transistors