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.