Terminal release tool (small flathead), replacement pins (from Toyota or Ballenger Motorsports), and the official Toyota Electrical Wiring Diagram (EWD).
Crankshaft position sensor (Engine speed signal). 1kz ecu pinout
As Tom continued to study the diagrams, he encountered a group of pins related to the engine's vital signs: Terminal release tool (small flathead)
Note: Pins 4, 19, 20 may vary by model year and transmission type. 1kz ecu pinout