SsangYong: Engine Euro 4. Manual - part 72

O : Turning on when the condition is occurred twice consecutively

• 

: Turning on when the condition is occurred once

New DTC

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

76

DIAGNOSIS

ECU

DTC

Trouble

Engine CHECK

warning lamp

Help

Related

I t e m

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator Pedal
Sensor #1 Malfunction -
High Voltage

Accelerator Pedal
Sensor #2 Malfunction -
Low Voltage

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator Pedal
Sensor #2 Malfunction -
High Voltage

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator Pedal
Sensor #1 & #2 -
Defective Signal

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator Pedal
Sensor #1 & #2
Malfunction

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

P0120

Accelerator Pedal
Sensor Malfunction -
Supply Voltage Fault

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator Pedal
Sensor #1 Malfunction -
Low Voltage

xxxxx

Specification

- SPS 1/2 pull-down resistance: 464 k

Ω

- Potentiometer 1/2 voltage: 5 / 2.5 V

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 31, 32, 47,

48, 50 and 51.

3. Check the electric throttle controller.

O

Accelerator
Pedal
Sensor

O : Turning on when the condition is occurred twice consecutively

• 

: Turning on when the condition is occurred once

New DTC

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

77

DIAGNOSIS

ECU

BRAKE

ECU

TCU

A/BAG

TC

RK-STICS

FFH

R/SENSOR

FA

T

C

TGS-LEVER

P/TRUNK

CCCS

DTC

Trouble

Engine CHECK

warning lamp

Help

Related

I t e m

Throttle Position Sensor
Actuator’s Learning
Control Malfunction

xxxxx

Condition

- The actuator is not properly adjusted and the conditions are

not satisfied.

xxxxx

Specification

- Connection between No.1 throttle position sensor and No.2

throttle position sensor
No.1 TPS’s pull-down resistance: 464 k

Ω

No.2 TPS’s pull-up resistance: 464 k

Ω

- Potentiometer voltage: 5 V
- Potentiometer resistance: 1 k

Ω ± 20 %

- Permissible current for wiper arms: below 15 

μΑ

- Protective resistance for wiper arms: 320 

Ω ± 20 %

- Motor voltage/max. current

: 12 V / below 1.7 A

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 67, 68, 84,

85, 87 and 112.

3. Inspect the electric throttle controller.
4. Check the ECU.

O

P0121

Faulty Throttle Body
Return Spring

xxxxx

Condition

- The return spring of actuator is defective.

xxxxx

Specification

- Connection between No.1 throttle position sensor and No.2

throttle position sensor
No.1 TPS’s pull-down resistance: 464 k

Ω

No.2 TPS’s pull-up resistance: 464 k

Ω

- Potentiometer voltage: 5 V
- Potentiometer resistance: 1 k

Ω ± 20 %

- Permissible current for wiper arms: below 15 

μΑ

- Protective resistance for wiper arms: 320 

Ω ± 20 %

- Motor voltage/max. current

: 12 V / below 1.7 A

xxxxx

Actions

1. Measure the actual output value using SCAN-100.
2. Inspect the circuits and terminals of ECU pin No. 67, 68, 84,

85, 87 and 112.

3. Inspect the electric throttle controller.
4. Check the ECU.

O

Throttle
Body
Control

P0125

Low coolant tempera-
ture while controlling
air/fuel ratio

xxxxx

Condition

- The coolant temperature is below the specified temperature

for controlling air/fuel ratio after engine warmed up.

xxxxx

Specification

20°C - 2.50 k

Ω - 3.57 V

80°C - 0.32 k

Ω - 1.22 V

100°C - 0.18 k

Ω - 0.78 V

xxxxx

Actions

1. Measure the actual temperature using SCAN-100.
2. Inspect the circuits for ECU pin No. 78 and 79.
3. Check the coolant temperature sensor.
4. Check the ECU.

O

Coolant
Temperature
Sensor

Thermostat Fully Open

xxxxx

Condition

1. The actual coolant temperature is lower than the coolant

temperature calculated by ECU due to the slow preheat.

xxxxx

Actions

1. Check the thermostat.

O

P0128

Thermostat

O : Turning on when the condition is occurred twice consecutively

• 

: Turning on when the condition is occurred once

New DTC

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

78

DIAGNOSIS

ECU

DTC

Trouble

Engine CHECK

warning lamp

Help

Related

I t e m

No.1
Oxygen
Sensor
(Installed
Before
Catalytic
Converter)

No.1 Oxygen Sensor -
Below the Minimum
Permissible Voltage

xxxxx

Specification

- Operating current: below 1.6 A

- Initial current: below 6.0 A for 2 seconds (refer to P0133)

xxxxx

Actions

1. Check the heating condition using SCAN-100.

2. Inspect the circuit and terminal of the ECU pin No. 9.

3. Inspect the heating power supply.

4. Inspect the heating circuit of oxygen sensor.

5. Check the ECU.

P0131

O

No.1 Oxygen Sensor -
Overvoltage

xxxxx

Condition

- No.1 oxygen sensor is defective.

Output voltage > 1.05 V

The sensing voltage is not in the specified range.

xxxxx

Specification

- Specified  voltage:

100 ~ 900 mV

- Insulating resistance:

 10 M

Ω (350°C)

 300 k

Ω (850°C)

Resistance between heater and sensor: 

 10 k

Ω (850°C)

- Between sensor circuit and housing

- Operating temperature: 850°C

Gas temperature at ceramic tip

- Internal resistance: 

 1 k

Ω

xxxxx

Actions

1. Measure the actual output value using SCAN-100.

2. Inspect the circuits and terminals of the ECU pin No. 16 and 17.

3. Inspect the oxygen sensor.

4. Check the ECU.

P0132

O

No.1 Oxygen Sensor -
Poor Performance

xxxxx

Condition

- No.1 oxygen sensor is defective.

The response to the sensor signal is delayed.

Closed loop interval of air/fuel ratio control > 1500 ms

xxxxx

Specification

- Specified  voltage:

100 ~ 900 mV

- Insulating resistance:

 10 M

Ω (350°C)

 300 k

Ω (850°C)

Resistance between heater and sensor: 

 10 k

Ω (850°C)

- Between sensor circuit and housing

- Operating temperature: 850°C

Gas temperature at ceramic tip

- Internal resistance: 

 1 k

Ω

xxxxx

Actions

1. Measure the actual output value using SCAN-100.

2. Inspect the circuits and terminals of the ECU pin No. 16 and 17.

3. Inspect the oxygen sensor.

4. Check the ECU.

P0133

O

• The No.1 oxygen sensor is located before the catalytic converter (for exhaust manifold 1/2/3) and no.2 oxygen

sensor is located after the catalytic converter.

• The No.3 oxygen sensor is located before the catalytic converter (for exhaust manifold 4/5/6) and no.4 oxygen

sensor is located after the catalytic converter.

NOTE

O : Turning on when the condition is occurred twice consecutively

• 

: Turning on when the condition is occurred once

New DTC

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

79

DIAGNOSIS

ECU

BRAKE

ECU

TCU

A/BAG

TC

RK-STICS

FFH

R/SENSOR

FA

T

C

TGS-LEVER

P/TRUNK

CCCS

DTC

Trouble

Engine CHECK

warning lamp

Help

Related

I t e m

No.1 Oxygen Sensor -
Malfunction

xxxxx

Condition

- No.1 oxygen sensor is defective.

The sensor does not operate.

xxxxx

Specification

- Specified  voltage:

100 ~ 900 mV

- Insulating resistance:

 10 M

Ω (350°C)

 300 k

Ω (850°C)

Resistance between heater and sensor: 

 10 k

Ω (850°C)

- Between sensor circuit and housing

- Operating temperature: 850°C

Gas temperature at ceramic tip

- Internal resistance: 

 1 k

Ω

xxxxx

Actions

1. Measure the actual output value using SCAN-100.

2. Inspect the circuits and terminals of the ECU pin No. 16 and 17.

3. Inspect the oxygen sensor.

4. Check the ECU.

P0134

O

No.1
Oxygen
Sensor
(Installed
Before
Catalytic
Converter)

No.1 Oxygen Sensor -
Faulty Heating Current,
Heater Circuit is Open
or Short circuit or
Short  circuit to Ground

xxxxx

Condition

- No.1 oxygen sensor is improperly heated.

The heating current is below or over the specified range
(below 0.2 A or over 2 A).

xxxxx

Specification

- Operating current: below 1.6 A

- Initial current: below 6.0 A for 2 seconds

xxxxx

Actions

1. Check the heating condition using SCAN-100.

2. Inspect the circuit and terminal of the ECU pin No. 9.

3. Inspect the heating power supply.

4. Inspect the heating circuit of oxygen sensor.

5. Check the ECU.

P0135

O

No.1 Oxygen Sensor -
Lean Indication (When
Decelerating)

xxxxx

Condition

- No.1 oxygen sensor is defective.

There is no "LEAN" signal after shutting off the fuel.

xxxxx

Specification

- Specified  voltage:

100 ~ 900 mV

- Insulating resistance:

 10 M

Ω (350°C)

 300 k

Ω (850°C)

Resistance between heater and sensor: 

 10 k

Ω (850°C)

- Between sensor circuit and housing

- Operating temperature: 850°C

Gas temperature at ceramic tip

- Internal resistance: 

 1 k

Ω

xxxxx

Actions

1. Measure the actual output value using SCAN-100.

2. Inspect the circuits and terminals of the ECU pin No. 16 and 17.

3. Inspect the oxygen sensor.

4. Check the ECU.

O