SsangYong: Engine Euro 4. Manual - part 74
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
84
DIAGNOSIS
ECU
DTC
Trouble
Engine CHECK
warning lamp
Help
Related
I t e m
No.3 Oxygen Sensor -
Lean Indication (When
Decelerating)
xxxxx
Condition
- No.3 oxygen sensor is defective.
There is no "LEAN" signal after shutting off the fuel.
xxxxx
Specification
- Specified voltage:
Below 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. 22 and 23.
3. Inspect the oxygen sensor.
4. Check the ECU.
O
No.3
Oxygen
Sensor
(Installed
Before
Catalytic
Converter)
P0154
No.3 Oxygen Sensor -
Faulty Heating Current
xxxxx
Condition
- No.3 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. 6.
3. Inspect the heating power supply.
4. Inspect the heating circuit of oxygen sensor.
5. Check the ECU.
P0155
O
No.3 Oxygen Sensor
Heater - Short circuit to
B+
xxxxx
Condition
- No.3 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. 6.
3. Inspect the heating power supply.
4. Inspect the heating circuit of oxygen sensor.
5. Check the ECU.
O
No.3 Oxygen Sensor
Heater - Open or Short
circuit to Ground
xxxxx Condition
- No.3 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. 6.
3. Inspect the heating power supply.
4. Inspect the heating circuit of oxygen sensor.
5. Check the ECU.
O