1997 SSANGYONG KORANDO tccu

TRANSFER CASE (PART TIME - 4408) 5D2-7
SSANGYONG MY2002
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4L MODE (4WD DRIVE - LOW SPEED)
KAA5D040
Power Flow
Chain
Motor
Output Shaft
Front Propeller
Shaft
Transmission
Input Shaft
Rear Propeller
Shaft
Shift Cam, Rail,
Fork
TCCU
Planetary Gear
(2.483)
Hub

SSANGYONG MY2002
5D2-8 TRANSFER CASE (PART TIME - 4408)
KAA5D050
KAA5D060
KAA5D070
1. Shifting from 2H to 4H
Position the transfer case switch from ‘2H’ to
‘4H’.
Shifting is possible during driving.
‘4WD Hl’ indicator light will turn on.
2. Shifting from 4H to 2H
Position the transfer case switch from ‘4H’ to
‘2H’.
Shifting is possible during driving.
4WD Hl’ indicator light will turn off.
SYSTEM DESCRIPTION
Transfer Case Control Unit (TCCU)
TCCU is located under the front left handed seat and
permits the vehicle to shift from two-wheel drive to
four-wheel drive (and back shift) according to drivers
switch operation during driving (For the shifting
between 4WD HIGH and 4WD LOW, stop the vehicle).
3. Shifting between 4H and 4L
Shifting is possible when the vehicle is almost
stopped (below approx. 2 km/h), so it would be
better stop the vehicle.
In case of manual transmission equipped
vehicle, apply clutch pedal.
In case of auto transmission equipped vehicle,
put the lever position into ‘N’.
Position the transfer case switch ‘4H’ to ‘4L’
or ‘4L’ to ‘4H’.
According to the shifted position, indicator light
will turn on.
Notice: If there are malfunctions during shifting,
‘4H’ or ‘4L’ indicator light will blink.

SSANGYONG MY2002
5D2-10 TRANSFER CASE (PART TIME - 4408)
DIAGNOSTIC INFORMATION AND PROCEDURES
GENERAL DIAGNOSIS
Faulty or damaged TCCU, speed
sensor, motor, clutch or internal wirings
Damaged or worn shift cam, hub, fork
and rail shift
Binding shift fork, hub collar or gear
Broken drive chain
Improper or low oil
Loosened bolts or mounted parts
Noisy T/C bearing
Gear abnormal noise
Worn or damaged sprockets or drive
chain
Incorrect tire pressure
Cracked transfer case
Leakage from other parts
Breather clogging
Improper or too much oil
Loosened sealing bolts
Improperly applied sealant
Worn or damaged oil seal
Overhaul and check, replace if neces-
sary.
Overhaul and check for wear and
damage.
Replace if necessary.
Check sliding parts, replace if neces-
sary.
Drain and replace with specified oil.
Retighten as specified.
Disassemble bearings and parts and
check for wear or damage. Replace if
necessary.
Check for wear and damage including
speedometer gear, replace if neces-
sary.
Disassemble and check for wear and
damage, replace if necessary.
Adjust tire pressure.
Replace the case.
Clean case and parts and check for
leakage.
Remove breather hose and clean,
replace if necessary.
Use specified oil and adjust oil level.
Retighten
Use specified sealant and retighten.
Replace Check Symptoms
Electric shift problems
Cannot front wheel
drive when shifted 4H,
4L
Noise in 4WD opera-
tion
Noise in 4H or 4L
Transfer case oil
leakage
Action

TRANSFER CASE (PART TIME - 4408) 5D2-11
SSANGYONG MY2002
KAA5D080
KAA5D090
KAA5D100
SELF-DIAGNOSIS TEST
System Description
1. TCCU detects transfer case system malfunctions
and indicates malfunctioning part(s) through
flashing 4H, 4L indicator lights.
Using a service connector, connect it to the
diagnosis box in under instrument pannel and read
the flashing of the “4WD CHECK” indicator light.
The flashing indicator light will show you defective
code(s).
2. Identify 7 defective codes after reading the
flashing indicator light.
TCCU
Shift motor
Magnetic synchronizer clutch
Speed sensor
Hub solenoid
Selector switch
Motor position sensor
KAA5D110
3. Transfer case system is malfunctioning when:
4H, 4L indicator lights are remain on after 0.6
second when turning the ignition switch ON.
4H, 4L indicator lights are continuously come
on during driving.
4. If only 1 part is malfunctioning, 4WD CHECK
indicator light will display defective code 3 times
continuously.
5. If more then 2 part is malfunctioning, the first
malfunctioning part will be displayed 3 times and
following malfunctioning parts will be displayed .
6. To read defective code, connect the service
connector and turn the ignition switch ‘ON’.
7. After repairing, eliminate the defective code stored
in the TCCU.
Notice: Before replacing the malfunction parts with
defective code, check the wires and connectors
for proper condition.

TRANSFER CASE (PART TIME - 4408) 5D2-13
SSANGYONG MY2002
Diagnostic Table
Connect a service connector. If turn the ignition switch
“ON” “4WD CHECK” indicator light will come on for
0.6 second and turn off for 3 seconds and then display
a defective code 3 times continuously.
4WD CHECK
Light
ON
OFF
4WD CHECK
Light
ON
OFF
4WD CHECK
Light
ON
OFF
4WD CHECK
Light
ON
OFF
4WD CHECK
Light
ON
OFFTCCU
Shift Motor
Synchronizer Clutch
Speed Sensor
Locking Hub Solenoid Defective Code No.
1
2
3
4
5
Malfunctioning Part
KAA5D140
KAA5D150
KAA5D160
KAA5D170
KAA5D180

TRANSFER CASE (PART TIME - 4408) 5D2-21
SSANGYONG MY2002
KAA5D240
4H AND 4L INDICATOR
When the ignition switch turns on, 4H and 4L indicators
turn on for 0.6 seconds and turn off.
Notice: If 4H and 4L indicators do not turn on, check
the related bulb, the wiring harness and TCCU.
J1 - 7
J1 - 8
J1 - 13
J1 - 14
J1 - 15
J1 - 16
J1 - 17
J1 - 234H or 4L
2H
4H indicator light ON
4H indicator light OFF
2H or 4H
4L
Clutch pedal applied
Clutch pedal released
4L indicator light ON
4L indicator light OFF
Motor OFF
Motor ON
Motor OFF
Motor ON
Auto locking hub ON
Auto locking hub OFF
TCCU INSPECTION
4.75 - 5.35
0 - 0.50
< 1.00
> 11.00
4.75 - 5.35
0 - 0.50
< 0.50
> 11.00
< 1.00
> 11.00
< 1.00
> 11.00
< 1.00
> 11.00
> 11.00
< 1.00
Pin No. Voltage(V)Operation Condition
Notice:
DC 12V for the TCCU operation should be
maintained.
In case of J1-8 and J1-15, indicator light will turn
on for 0.6 second when turn the ignition switch ON.
If 4H and 4L indicator lights remain turned on when
turn the ignition switch on or during driving, perform
the TCCU diagnosis.

SSANGYONG MY2002
5D2-24 TRANSFER CASE (PART TIME - 4408)

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KAA5D330
TCCU
1. Disconnect the negative terminal from the battery.
KAA5D340
KAA5D350
KAA5D360
2. Remove the TCCU connector.
3. Remove the TCCU mounting bolt and remove the
TCCU.
TCCU installation position : Under the driver’s
seat
4. Installation should follow the removal procedure
in the reverse order.
Notice: Be careful not to give any impact to the
TCCU body.
Installation Notice
Tightening Torque 10 Nm (89 lb-ft)

BODY WIRING SYSTEM 9A-7
SSANGYONG MY2002
USAGE OF FUSE IN ENGINE ROOM FUSE BOX
Interior Lamp
Hazard Lamp
Audio
STICS, REKES, Clock
Power Window
Seat Belt
DRL
Starting
Front Wiper & Washer
Rear Wiper
A/C System, Defroster
Head Lamp, STICS
DRL
Audio, OSRV Mirror
Cigar Lighter
TOD, TCCU
Stop Lamp
ABD
Seat Heater, Auto Antenna
Door Lock System
Fuel Pump
TOD, TCCU, TCM
OVPR, Pre-heating
HLLD
Turn Signal Lamp
BTSI
Speedometer
ABS, ABD
Inside Rear View Mirror, Cruise Control
Air Bag
DRL, Seat Heater Power SupplyUsage
Classification
Fuse NoCapacity
30 BAT(+)
ST
15A
IGN2
15A IGN1
15C
ACC
30 BAT(+)
15
IGN1
Blade TypeF1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F3210A
15A
10A
7.5A
20A
7.5A
7.5A
15A
15A
10A
7.5A
7.5A
15A
7.5A
15A
20A
15A
10A
10A
10A
15A
7.5A
10A
10A
10A
7.5A
10A
10A
7.5A
10A
7.5A
*30 : Battery (+) Power Supply