Shift On The Fly System; Outline Of Shift On The Fly System - Isuzu Trooper 1999 Workshop Manual

4B1–2
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)

Outline of Shift on The Fly System

The shift on the fly system switches between 2 wheel
drive (2WD) and 4 wheel drive (4WD) electrically by
driver's pressing the 4WD switch (push button type) on
instrument panel.
This system controls below operations. (Shifting between
"4H" and "4L" must be performed by transfer control lever
on the floor.)
1. Shifting the transfer front output gear (Connecting to,
and disconnecting from, front propeller shaft by motor
actuator).
2. Retrial of shifting the transfer front output gear.
3. Connecting front wheels to, and disconnecting them
from, the front axles by vacuum actuator.
4. Indicator on instrument panel.
5. 4WD out signal to other Electronic Hydraulic Control
Unit.
System Diagrams

Shift On The Fly System

412RX003