2002 Isuzu Trooper US version has a shift on the fly system to switch between 2-wheel drive (2WD) and 4 wheel drive (4WD) electrically. To switch, you simply press a button4WD (push button type) on the instrument panel. This system controls some operations, such as transferring the output gear shift forward or connect and disconnect the front propeller shaft by motor actuators.

In addition the system also controls the repetition of the shift output gear shift forward. Connecting or disconnecting the front wheels of the front axle with vacuum actuator. Indicator on instrument panel. If the brake system is equipped with anti-lock brake system, then the signal out to other 4WD Hydraulic Electronic Control Unit.

The following schematic illustrates the 2002 Isuzu Trooper LS (US) Drive Line Control System (Shift on the fly) Diagrams:

2002 Isuzu Trooper LS (US) Drive Line Control System (Shift on the fly) Diagrams

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