SsangYong: Engine Euro 4. Service 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
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