EXHAUST GAS TEMPERATURE SENSOR INSPECTION [SKYACTIV-D 2.2]

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Exhaust Gas Temperature Sensor No.1

Warning
•  A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
Caution
•  Perform exhaust gas temperature sensor removal/installation only when inspection or replacement is required, such as when DTCs for the sensor are displayed, because it may cause exhaust gas leaks.
•  If removal or installation/removal is performed, always verify that there is no exhaust gas leak after reinstallation.

Resistance inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the exhaust gas temperature sensor No.1. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

3.  Place the detection part of the exhaust gas temperature sensor No.1 in the water and while gradually increasing the water temperature, measure the resistance between exhaust gas temperature sensor No.1 terminals A and B.

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•  If not as specified, replace the exhaust gas temperature sensor No.1. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Specification (Reference)

Water temperature (°C {°F})

Resistance (ohms)
100 {212}
Approx. 278.2

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Exhaust Gas Temperature Sensor No.2

Warning
•  A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
Caution
•  Perform exhaust gas temperature sensor removal/installation only when inspection or replacement is required, such as when DTCs for the sensor are displayed, because it may cause exhaust gas leaks.
•  If removal or installation/removal is performed, always verify that there is no exhaust gas leak after reinstallation.

Resistance inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the exhaust gas temperature sensor No.2. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

3.  Place the detection part of the exhaust gas temperature sensor No.2 in the water and while gradually increasing the water temperature, measure the resistance between exhaust gas temperature sensor No.2 terminals A and B.

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•  If not as specified, replace the exhaust gas temperature sensor No.2. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Resistance

Water temperature (°C {°F})

Resistance (Kilohms)
50 {122}
Approx. 53.27

Specification (Reference)

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Exhaust Gas Temperature Sensor No.3

Warning
•  A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
Caution
•  Perform exhaust gas temperature sensor removal/installation only when inspection or replacement is required, such as when DTCs for the sensor are displayed, because it may cause exhaust gas leaks.
•  If removal or installation/removal is performed, always verify that there is no exhaust gas leak after reinstallation.

Resistance inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the exhaust gas temperature sensor No.3. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

3.  Place the detection part of the exhaust gas temperature sensor No.3 in the water and while gradually increasing the water temperature, measure the resistance between exhaust gas temperature sensor No.3 terminals A and B.

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•  If not as specified, replace the exhaust gas temperature sensor No.3. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Resistance

Water temperature (°C {°F})

Resistance (Kilohms)
50 {122}
Approx. 53.27

Specification (Reference)

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Exhaust Gas Temperature Sensor No.4 (With SCR System)

Warning
•  A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
Caution
•  Perform exhaust gas temperature sensor removal/installation only when inspection or replacement is required, such as when DTCs for the sensor are displayed, because it may cause exhaust gas leaks.
•  If removal or installation/removal is performed, always verify that there is no exhaust gas leak after reinstallation.

Resistance inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the exhaust gas temperature sensor No.4. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

3.  Place the detection part of the exhaust gas temperature sensor No.4 in the water and while gradually increasing the water temperature, measure the resistance between exhaust gas temperature sensor No.4 terminals A and B.

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•  If not as specified, replace the exhaust gas temperature sensor No.4. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Resistance

Water temperature (°C {°F})

Resistance (Kilohms)
50 {122}
Approx. 53.27

Specification (Reference)

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Exhaust Gas Temperature Sensor No.5 (With SCR System)

Warning
•  A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
Caution
•  Perform exhaust gas temperature sensor removal/installation only when inspection or replacement is required, such as when DTCs for the sensor are displayed, because it may cause exhaust gas leaks.
•  If removal or installation/removal is performed, always verify that there is no exhaust gas leak after reinstallation.

Resistance inspection

1.  Stop the engine and wait until the exhaust system temperature decreases.

2.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

3.  Remove the floor under cover No.1 and floor under cover No.2. (See FLOOR UNDER COVER REMOVAL/INSTALLATION.)

4.  Remove the insulator and brace bar. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

5.  Disconnect the connector shown in the figure.

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6.  Remove the bolts shown in the figure.

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7.  Suspend module bracket using a rope as shown in the figure.

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8.  Remove the nuts shown in the figure.

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9.  Disconnect the connector clip shown in the figure.

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10.  Disconnect the exhaust gas temperature sensor No.5 connector.

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11.  Measure the resistance between exhaust gas temperature sensor No.5 terminals A and B.

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•  If not within the standard, replace exhaust gas temperature sensor No.5. (See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Standard

Ambient temperature (°C {°F})

Resistance (Kilohms)
−25 {−13}
370—812
0 {32}
160—309
25 {77}
78—137
50 {122}
42—68

Specification (Reference)

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