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2) Function
Selection Mode
The TOD system has 2 selectable mode, 4H
and 4L. 4H is the normal operating mode
when drive of which gear ratio is 1:1 and 4L
mode distributes power to front and rear
wheels 50 : 50 of which gear ratio is 2.48:1.
3) 4WD Operation Overview
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To make the mode shift easier, stop the vehicle, depress the brake pedal, select the mode
switch, and move the selector lever with the sequence of [N-P-N].
4L Mode
When selecting 4L mode, EMC is locked to
apply maximum torque into front and rear
propeller shafts. Shift motor rotates also 4L
position by rotation of cam thus propeller
shaft torque changes from 1:1 to 2.48:1 by
planetary gear set.
Releasing the 4L Mode
When selecting 4H mode, 4L drive mode is
released and 4H mode is resumed.
"4H" switch: Self-return type
"4L" switch: Push lock type
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