SsangYong: Engine Euro 4. Manual - part 50

 

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SsangYong: Engine Euro 4. Manual - part 50

 

 

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

29

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

2. NEW DTCS ACCORDING TO D27DTP (POWER UP) APPLICATION

New DTCs for E-EGR

Engine

Malfunction

Indicator

light

P0405

P0406

P0407

P0408

High EGR
Open Position
deviation

High EGR
Close Position
Deviation

Low EGR
Position Signal

High EGR
Position Signal

- Causes

• The difference between E-EGR position demand

(MAP) value and E-EGR position feedback signal
value is over 15% (the sensor output indicates
E-EGR is open over 15% in the close status).

- Actions

• Measure the resistance of E-EGR valve sensor.

• Check the sensor and actuator wiring harness.

• Check the unit.

- Causes

• The difference between E-EGR position demand

(MAP) value and E-EGR position feedback signal
value is over 15% (the sensor output indicates
E-EGR is closed over 15% in the open status).

- Actions

• Measure the resistance of E-EGR valve sensor.

• Check the sensor and actuator wiring harness.

• Check the unit.

- Diagnosis of E-EGR signal for the followings:

• Sensor signal is high or low.

• Total resistance value: 4

Ω +/-40%

• Sensor output range: 1.2 ~ 4.0 V

• Total sensor resistance: 4 k

Ω ± 40%

• Total motor resistance: 8.0

Ω ± 0.5Ω

- Check pin for the followings:

• Check sensor reference voltage (5V) - ECU Pin

#A33

• Sensor signal - ECU Pin #A82

• Sensor GND - ECU Pin #A09

- Actions

• Measure the resistance of E-EGR valve sensor.

• Check the sensor and actuator wiring harness.

• Check the unit.

- Diagnosis of E-EGR signal for the followings:

• Sensor signal is high or low.

• Total resistance value: 4

Ω +/-40%

• Sensor output range: 1.2 ~ 4.0 V

• Total sensor resistance: 4 k

Ω ± 40%

• Total motor resistance: 8.0

Ω ± 0.5Ω

- Check pin for the followings:

• Check sensor reference voltage (5V) - ECU Pin

#A33

• Sensor signal - ECU Pin #A82

• Sensor GND - ECU Pin #A09

- Actions

• Measure the resistance of E-EGR valve sensor.

• Check the sensor and actuator wiring harness.

• Check the unit.

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

30

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

Engine

Malfunction

Indicator

light

P1409

P1407

P0402

EGR Valve
Circuit Short

Faulty EGR
Close Position

EGR Valve
Stuck in Open
Position

- Check pin for the followings:

• The E-EGR valve wiring is open.

• E-EGR Pin #1: Power(Main Relay)

• E-EGR Pin #5: ECU Pin #A48

- Actions

• Check E-EGR valve wiring.

• Visually check the unit and replace if necessary.

• Refer to DTCs (P0407 and P0408).

- Causes

• The EGR position is not closed when EGR is not

operated within 50 seconds with the engine idling.

- Check pin for the followings:

• E-EGR #1: Valve power (Main relay)

• E-EGR #2: Sensor (Reference voltage) ECU #A33

• E-EGR #4: Sensor (Ground) ECU #A09

• E-EGR #5: Valve drive (PWM) ECU #A48

• E-EGR #6: Sensor (Signal) ECU #A82

- Actions

• Check E-EGR valve and sensor wiring.

• Visually check the unit and replace if necessary.

• Refer to DTCs (P0407 and P0408).

- Causes

• The E-EGR valve is stuck with it open.

- Check pin (refer to the page 1407)

- Actions

• Check E-EGR valve and sensor wiring.

• Visually check the unit and replace if necessary.

• Replace the ECU if required.

• Refer to DTCs (P0407 and P0408).

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

31

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 Throttle Body

Engine

Malfunction

Indicator

light

P0488

P0487

P2100

P2101

P2102

P2103

Faulty Maximum
Throttle
Opening Value

Faulty Maximum
Throttle Closing
Value

Throttle Drive
Circuit Short

Throttle Drive
Ground Short

Throttle Drive
Short

Throttle Drive
Battery Short

- Causes

• The throttle is not fully open when learning the

full open value after initial ignition on.

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Causes

• The throttle is not fully closed when learning the

full open value after stopping the engine.

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Perform the diagnosis when the ignition is turned on.

- Defective intake throttle drive circuit (ECU pin #A75,

A77)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Perform the diagnosis when the ignition is turned on.

- Defective intake throttle drive circuit (ECU pin #A75,

A77)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Perform the diagnosis when the ignition is turned on.

- Defective intake throttle drive circuit (ECU pin #A75,

A77)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Perform the diagnosis when the ignition is turned on.

- Defective intake throttle drive circuit (ECU pin #A75,

A77)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

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

32

1491

DIAGNOSIS

D27DTP/D27DT (EU4)  SM - 2006.08

D27DTP/D27DT (EU4)

Engine

Malfunction

Indicator

light

P2104

P213B

P213C

P213D

Throttle Drive
Overheat

Abnormal
Throttle
Control

Low Throttle
Signal

High Throttle
Signal

- Perform the diagnosis when the ignition is turned on.

- Defective intake throttle drive circuit (ECU pin #A75,

A77)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Causes

• The difference between throttle position de-

mand (MAP) and throttle position feedback sig-
nal is out of +5% or -13%.

- Defective throttle control (P213B)

- Defective throttle signal (P213C, P213D)

- Defective throttle drive (P2103, P2101, P2102,

P2104, P2100)

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

- Causes

• The throttle valve position sensor signal is stuck

low.

- Check pin for the followings:

• Throttle valve #1: sensor (Power) ECU #A20

• Throttle valve #2: sensor (Signal) ECU #A22

• Throttle valve #3: sensor (GND) ECU #A81

• Throttle valve #4: valve (Positive) ECU #A75

• Throttle valve #5: valve (Positive) ECU #A77

- Sensor & Motor SPEC

• Motor

* Power: 12V

* Max. current : 6.8A (Normal: 3.6 ~ 0.2)

* Motor resistance: 4.3

Ω

• Sensor

* Power: 5V

- Actions

• Check the throttle valve and sensor wiring

harnesses. (The signal output of throttle valve
is below than 0.24 V.)

• Visually check the unit and replace if necessary.

- Causes

• The throttle valve position sensor signal is stuck

high.

- Check pin (refer to P213C).

- Sensor specification: Refer to P213C.

- Actions

• Check the throttle valve and sensor wiring harnesses.

• Visually check the unit and replace if necessary.

DTC

Trouble

Limp

Home

Mode

Delayed

Engine

Stop

Torque

Reduction

(max.

20%)

Help

Torque

Reduction

(max.

50%)

Immedi-

ately

Engine

Stop

 

 

 

 

 

 

 

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