Daewoo Korando. Manual — part 288
5D1-2 TRANSFER CASE (PART TIME 4408)
SCHEMATIC AND ROUTING DIAGRAM
PART TIME TRANSFER CASE - 4408
TRANSFER CASE (PART TIME 4408) 5D1-3
Cannot Front Wheel Drive when Shifted 4H,4L
DIAGNOSIS
Electric Shift Problems
Action
Overhaul and check, replace if necessary.
Overhaul and check for wear and damage.
Replace if necessary.
Check sliding parts, replace if necessary.
Checks
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
Checks
Broken Drive Chain
Action
Check sliding parts, replace if necessary.
Noise in 4WD Operation
Checks
Improper or low oil
Loosened bolts or mounted parts
Noisy T/C bearing
Noisy gears
Action
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 necessary.
Noise in 4H or 4L
Checks
Worn or Damaged Sprockets or Drive Chain
Incorrect Tire Pressure
Action
Disassemble and check for wear and damage, replace
if necessary.
Adjust tire pressure.
Transfer Case Oil Leakage
Action
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
Checks
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
5D1-4 TRANSFER CASE (PART TIME 4408)
SELF- DIAGNOSIS
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 the engine room 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.
l
TCCU
l
Shift motor
l
Magnetic synchronizer clutch
l
Speed sensor
l
Hub solenoid
l
Selector switch
l
Motor position sensor
3. Transfer case system is malfunctioning when:
l
4H ,4L indicator lights are remain on after 0.6 second
when turning the ignition switch ‘ON’
l
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) 5D1-5
Defective Code Reading
1. Position the ignition switch to ‘OFF’
2. Using a service connect the No.2 pin ( lgnition ) and No.6
pin (TCCU) of the diagnosis socket in the engine room.
3. Position the ignition switch to 'ON'.
4. Read the flashing ‘4WD CHECK’ indicator light and identify
the malfunctioning part.
How to Eliminate the Falut Code
1. Position the ignition switch to ‘OFF’
2. Using a service connector, connect the No.2 pin (GND) and
No.6 pin (TCCU) of the diagnosis socket in the engine room.
3. Position the ignition switch to ‘ON’ over 5 seconds.
4. Do defective code reading and make sure that all defective
codes are eliminated.
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