SsangYong: Engine Euro 4. Service 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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