SsangYong: Engine Euro 4. Manual - part 52

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

37

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

ENGINE

FUEL

I

N

T

AKE

EXHAUST

PRE-HEA

TING

LUB

COOLING

SWITCHABLE

ECU

DIAGNOSIS

P1564

P1568

P1569

P1578

P1573

P1570

Auto Cruise
Switch Fault
(Power)

Auto Cruise Switch
Fault (when
Accelerating)

Auto Cruise Switch
Fault (when
Decelerating)

Auto Cruise
Switch Fault
(Circuit Short)

Auto Cruise
Switch Fault
(Short)

Auto Cruise
Switch Fault
(Signal)

- Applied to vehicle with auto cruise, occurred due

to coding error for vehicle without auto cruise

- Auto cruise switch SPEC

• Reference voltage: 5V (ECU Pin #B11)

• Switch signal: ECU Pin #B15

• Switch GND: ECU Pin #B16

• Switch signal voltage level

* Resistance when accelerating: 220

Ω ± 1%

* Resistance when decelerating: 560

Ω ± 1%

* Resumed resistance: 1200

Ω ± 1%

* Resistance with switch OFF: 75

Ω ± 1%

- Auto cruise switch fault (accelerating)

- Auto cruise switch fault (decelerating)

- Applied to vehicle with auto cruise, occurred due

to coding error for vehicle without auto cruise

- Auto cruise switch SPEC

•  Reference voltage: 5V (ECU Pin #B11)

•  Switch signal: ECU Pin #B15

•  Switch GND: ECU Pin #B16

•  Switch signal voltage level

   * Resistance when accelerating: 220

Ω ± 1%

   * Resistance when decelerating: 560

Ω ± 1%

   * Resumed resistance: 1200

Ω ± 1%

   * Resistance with switch OFF: 75

Ω ± 1%

- Applied to vehicle with auto cruise, occurred due

to coding error for vehicle without auto cruise

- Auto cruise switch SPEC

• Reference voltage: 5V (ECU Pin #B11)

• Switch signal: ECU Pin #B15

• Switch GND: ECU Pin #B16

• Switch signal voltage level

* Resistance when accelerating: 220

Ω ± 1%

* Resistance when decelerating: 560

Ω ± 1%

* Resumed resistance: 1200

Ω ± 1%

* Resistance with switch OFF: 75

Ω ± 1%

- Applied to vehicle with auto cruise, occurred due

to coding error for vehicle without auto cruise

- Auto cruise switch SPEC

• Reference voltage: 5V (ECU Pin #B11)

• Switch signal: ECU Pin #B15

• Switch GND: ECU Pin #B16

• Switch signal voltage level

* Resistance when accelerating: 220

Ω ± 1%

* Resistance when decelerating: 560

Ω ± 1%

* Resumed resistance: 1200

Ω ± 1%

* Resistance with switch OFF: 75

Ω ± 1%

DTCs for Auto Cruise-control (for export)

Engine

Malfunction

Indicator

light

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

38

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

New DTCs for VGT Turbocharger

New DTCs for CAN Communication

P0243

VGT Turbo-
Charger
Actuator
Circuit Short

- Causes

• There is electric problem in the vacuum modula-

tor drive module of turbocharger.

- Check pin for the followings (Vacuum Modulator):

• Power (Main Relay)

• GND (ECU Pin #A71)

- Actions

• Check the unit’s resistance (15.4 +/- 0.7

Ω) and

wiring.

• Check the input voltage (12V).

• Visually check the unit and replace if necessary.

Engine

Malfunction

Indicator

light

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop

P0614

TCCU Coding
Failt

- Occurred if TCCU variant coding is faulty.

- Occurred when there is CAN communication error

between units.

Engine

Malfunction

Indicator

light

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

39

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

ENGINE

FUEL

I

N

T

AKE

EXHAUST

PRE-HEA

TING

LUB

COOLING

SWITCHABLE

ECU

DIAGNOSIS

New DTCs for A/C Refrigerant Sensor

P0530

P0532

P0533

Air Conditioner
Refrigerant
Sensor Supply
Power Fault

Air Conditioner
Refrigerant
Pressure Signal
Circuit Short

Excessive Air
Conditioner
Refrigerant
Pressure

- Causes

• There is electric problem in the air conditioner’s

pressure sensor.

- Check the sensor’s specifications and ECU pin.

• Power: 5V ......... ECU Pin #B29

• Sensor signal .... ECU Pin #B41

• Sensor GND ...... ECU Pin #B36

• Actual range: 2.0 kgf/cm

2

 (0.75V) ~ 32 kgf/cm

2

(4.5V)

• Resistance: 51K

Ω (signal terminal and ground)

• Output signal

0.5V ................... 0.0 kgf/cm

2

4.5V ................... 32.0 kgf/cm

2

- Actions

• Check the sensor’s resistance and wiring.

• Visually check the unit and replace if necessary.

- Causes

• There is electric problem in the air conditioner's

pressure sensor.

- Check the sensor’s specifications and ECU pin.

• Power: 5V ......... ECU Pin #B29

• Sensor signal. ... ECU Pin #B41

• Sensor GND ...... ECU Pin #B36

• Actual range: 2.0 kgf/cm

2 

(0.75V) ~ 32 kgf/cm

2

(4.5V)

• Resistance: 51K

Ω (signal terminal and ground)

• Output signal

0.5V ................... 0.0 kgf/cm

2

4.5V ................... 32.0 kgf/cm

2

- Actions

• Check the sensor’s resistance and wiring.

• Visually check the unit and replace if necessary.

- Causes

• There is electric problem in the air conditioner’s

pressure sensor.

- Check the sensor’s specifications and ECU pin.

• Power: 5V ......... ECU Pin #B29

• Sensor signal .... ECU Pin #B41

• Sensor GND ...... ECU Pin #B36

• Actual range: 2.0 kgf/cm

2

 (0.75V) ~ 32 kgf/cm

2

(4.5V)

• Resistance: 51K

Ω (signal terminal and ground)

• Output signal

0.5V ................... 0.0 kgf/cm

2

4.5V ................... 32.0 kgf/cm

2

- Actions

• Check the sensor’s resistance and wiring.

• Visually check the unit and replace if necessary.

Engine

Malfunction

Indicator

light

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

40

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

New DTCs for IMV (HPP: High Pressure Pump) Control

P1260

VGT Turbo-
Charger
Actuator Circuit
Short

- Abnormal rail pressure, IMV CURRENT TRIM TOO

HIGH, DRIFT

- Check the IMV wiring harnesses.

- Check the ECU wiring harnesses.

• Check ECU’s pin A76 for open and short.

- Check the Rail pressure sensor.

• Supply voltage: 5 ± 0.1V

• Output voltage at 1600 bar: 4.055 ± 0.125V

• Output voltage at atmospheric pressure: 0.5 ±

0.04V

- Check low-pressure fuel system.

• Check fuel in fuel reservoir and air penetration.

• Check fuel filter’s specification.

- Check high-pressure fuel system.

• Check fuel rail and high-pressure pipe for leaks.

- Check IMV’s resistance (5.44 

Ω).

• If the resistance is out of specification, replace

the high-pressure pump and IMV.

Engine

Malfunction

Indicator

light

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop