To set the throttle pot ,follow this guide.
1) Ensure ignition is OFF.
2) Remove rear of ECU plug cover and insert plug back into ECU.
3) Turn ignition back on (do not start engine)
4) THROTTLE CLOSED:
4x4: Check for DC voltage less than 0.5V between pins 11 and 17.
5) THROTTLE FULLY OPEN:
4x4: Check for DC voltage greater than 4.5V between pins 11 and 17