Range Function

Range Function

NOTE: At zero throttle, the duty cycle remains low.

In the 4x4 Low range, with throttle input, the transfer case electromechanical clutch looks at the front and rear driveshafts for maximum 4x4 traction. The transfer case shift motor rotates the shift cam to move the reduction shift fork to the 4x4 Low range position. This low range shift, accomplished through a planetary gear set, changes the torque to the drive shaft from 1:1 to 2.48: 1 ratio.

In the 4x4 High range, with throttle input, the 4WD control module signals the transfer case electromechanical clutch to lock the front and rear driveshafts for maximum four wheel drive traction. Never use the 4x4 High range or the 4x4 Low range when driving on dry or merely wet pavement. Use 4x4 High range or the 4x4 Low range only for driving off-road or in severe winter weather.