SsangYong Stavic / SsangYong Rodius (2005 year). Service manual — part 351
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4D
3. CIRCUIT DIAGRAM
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4. OPERATION
System Layout
Combi meter
4WD switch
TOD control unit
Output
Rear speed
Magnetic clutch
Motor
Front speed
Front output shaft
Input
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4D
Normal Driving on the normal road or highway, or high speed driving.
Slipped road such as snow, rainy, sand, mud etc.
Max driving force requiring condition such as towing, rough road.
Same function as part time transfer case 4L.
A vehicle should stop for transfer.
Manual Transmission
• Transfer starts after the vehicle stops and the clutch is applied
Automatic Transmission
• Transfer starts after the vehicle stops and the shift lever is shifted
[N] position.
4H
4L
4H
↔ 4L
4WD Drive
(High Speed)
4WD Drive
(Low Speed)
4WD Drive
High Speed
↔
Low Speed
Driving type
Transferring
4WD Operation Overview
Operation Condition
Mode Position
Application
Mode Switch
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.
4L Mode
When selecting 4L mode, EMC is locked to apply maximum
torque into front and rear propeller shafts (when the wheel
speed is more than 87Hz). Shift motor rotates also 4L posi-
tion 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
[Notice]
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].
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STAVIC - 2004.09
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COMPONENTS
1. TOD ASSEMBLY
Input shaft
Air bleeder cap
Front companion flange
Front & rear
speed sensor
RR. Propeller shaft
T/M
Frt. Propeller shaft
Shift motor/Electronic
magnetic clutch
Rear cover
Companion flange
Rear speed sensor
Shift motor
Front case
Rear cover
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