SsangYong: Engine Euro 4. Manual - part 98

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

4

DIAGNOSIS

FATC

In this step, check the air mix door and sensors for defect.

Once the system starts diagnosis step 2, the digit “2” is displayed, implying step 2, on the display window and
the trouble diagnosis for sensors is executed. If no failure exists, “20” is displayed. If any failure exists, the
appropriate trouble code is displayed as below.

2) Indication of Step 2.

Starting self diagnosis

1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step 2

3) Sensor failure

code blinking

22222

First sensor failure
code blinks twice

2 1

2 1

2 1

2 1

2 1

Second sensor failure
code blinks twice

2 5

2 5

2 5

2 5

2 5

When two sensors are

defective

10 ~ 20

seconds

Trouble Code

-21

-21

-21

-21

-21

Short-circuit in the ambi-
ent air temperature sensor

2. Set in Trouble Diagnosis Step 2

2 1

2 1

2 1

2 1

2 1

Code

0

1

2

3

4

 Malfunction

VDF segments are OK

Defective ambient temperature sensor

Defective interior temperature sensor

Defective duct temperature sensor

Defective intake sensor

 Remark

 Code

5

6

7

8

9

 Malfunction

Defective sun sensor

Check Air mix door

Defective humidity sensor

-

-

 Remark

• The symbol "-" in front of step number "2" means

a short circuit of the blinking sensor.

NOTICE

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

5

DIAGNOSIS

FATC

BRAKE

ECU

TCU

A/BAG

TC

RK-STICS

FFH

R/SENSOR

FA

T

C

TGS-LEVER

P/TRUNK

CCCS

In this step, check the position of actuator door, check the fan speed, and check the compressor operation.

Slightly turn the TEMP switch in step 3 until “41” is displayed on the display window. When pressing DEF switch

,mode changes as shown below in turns to check each function.

In this step, check the position and conditions of recirculation air door and mode door.

Slightly turn the TEMP switch until “3” is displayed on the display window.

If no failure exists, "30" is displayed. If any failure exists, the appropriate trouble code is displayed.

Trouble Code

1) Slightly turn the TEMP dial to the right to set in the trouble diagnosis step 3

21

21

21

21

21

33333

30

30

30

30

30

1) Slightly turn the TEMP dial to the right

to set in the trouble diagnosis step 4

30

30

30

30

30

2) Indication of Step 2.

Starting self diagnosis

3) Sensor failure code

blinking (30: no failure)

3. Set in Trouble Diagnosis Step 3

4. Set in Trouble Diagnosis Step 4

Code

1

2

3

4

5

 Malfunction

Defective VENT

Defective B/L

-

FOOT

D/F

 Remark

 Code

6

7

8

9

0

 Malfunction

DEF

FRE

20% FRE

REC

All door OK

 Remark

42

42

42

42

42

43

43

43

43

43

46

46

46

46

46

45

45

45

45

45

44

44

44

44

44

Press

Press

Press

Press

Press

Press

41

41

41

41

41

2)

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

6

DIAGNOSIS

FATC

Turn the AUTO switch ON or turn the ignition key OFF.

7. Canceling the Trouble Diagnosis

Function Check

In this step, the temperature can be compensated within the range of -3°C to 3°C in the control process according
to the temperature to air conditioner controller. The step 6 initiates when slightly rotating the fan speed switch (other
than TEMP switch) in step 5.

In this step, check the conditions of temperature related sensors.

Slightly turn the TEMP switch in step 4 until “51” is displayed on the display window. When pressing DEF switch           ,
displayed temperature changes as shown below in turns.

1) Slightly turn to right to set in

trouble diagnosis step 5.

43

43

43

43

43

Press

Press

20 

20 

20 

20 

20 

ooooo

CCCCC

18.5 

18.5 

18.5 

18.5 

18.5 

ooooo

CCCCC

18 

18 

18 

18 

18 

ooooo

CCCCC

2)           Press

Ambient air

temperature

Interior air

temperature

Intake air

temperature

43

43

43

43

43

6 1

6 1

6 1

6 1

6 1

Step 6

Min. temperature

compensation value

3 

3 

3 

3 

3 

ooooo

CCCCC

Max. temperature

compensation value

61

61

61

61

61

2) C o m p e n s a t e s

the temperature
by turning TEMP
dial.

Mode door

Interior/Ambient door

Air mix door

Blower

Compressor

41

Displayed Number

5. Set in Trouble Diagnosis Step 5

6. Set in Trouble Diagnosis Step 6

-3 

-3 

-3 

-3 

-3 

ooooo

CCCCC

51

51

51

51

51

VENT

REC

F/COOL

4.5 V

ON

B/L

REC

F/COOL

10.5 V

ON

B/L

20%FRE

F/HOT

8.5 V

OFF

FOOT

FRE

F/HOT

8.5 V

OFF

D/F

FRE

F/HOT

8.5 V

ON

DEF

FRE

F/HOT

MAX

ON

42

43

44

45

46

1) Starts the trouble

diagnosis step 6 by
turning fan speed
dial.

TGS LEVER

DTC AND DIAGNOSIS ...................................................................................... 3

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