DTC Code | DTC Name |
---|---|
P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 |
P242B | Exhaust Gas Temperature Sensor Circuit Range / Performance Bank 1 Sensor 3 |
DESCRIPTION
Refer to DTC P0545.
Click hereНажмите здесь
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
---|---|---|---|---|---|
P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 |
Both of the conditions are met (2 trip detection logic): (a) The battery voltage is 8 V or higher. (b) After the engine is stopped and the vehicle is left as is for 10 hours or more, the difference between "Exhaust Temperature B1S2" and "Coolant Temp" is 400°C (720°F) or higher when the ignition switch is turned to ON. |
|
Comes on | DTC stored |
P242B | Exhaust Gas Temperature Sensor Circuit Range / Performance Bank 1 Sensor 3 |
Both of the conditions are met (2 trip detection logic): (a) The battery voltage is 8 V or higher. (b) After the engine is stopped and the vehicle is left as is for 10 hours or more, the difference between "Exhaust Temperature B1S3" and "Coolant Temp" is 400°C (720°F) or higher when the ignition switch is turned to ON. |
|
Comes on | DTC stored |
DTC No. | Data List |
---|---|
P2084 |
|
P242B |
If DTC P2084 and/or P242B is stored, the following symptoms may appear:
White smoke
MONITOR DESCRIPTION
The ECM compares the values from exhaust temperature sensors B1S2 and B1S3 with the engine coolant temperature when the ignition switch is turned to ON after the vehicle has been left soaking for 10 hours or more. If the difference is 400°C (720°F) or higher, a DTC indicating an exhaust gas temperature sensor malfunction is stored and the MIL is illuminated (2 trip detection logic).
CONFIRMATION DRIVING PATTERN
DTC No. | DTC Detection Drive Pattern |
---|---|
P2084 | Stop the engine, leave the vehicle as is for 1 to 2 hours and confirm that "Exhaust Temperature B1S2" is approximately the same value as "Intake Air". |
P242B | Stop the engine, leave the vehicle as is for 1 to 2 hours and confirm that "Exhaust Temperature B1S3" is approximately the same value as "Intake Air". |
CAUTION / NOTICE / HINT
After replacing the ECM, the new ECM needs registration (Click here) and initialization (Click hereНажмите здесь).
Read freeze frame data using the GTS. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.
Sensor 2 represents the sensor located upstream of the DPF catalytic converter.
Sensor 3 represents the sensor located downstream of the DPF catalytic converter.
PROCEDURE
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2084 AND P242B)
Connect the GTS to the DLC3.
Turn the ignition switch to ON and turn the GTS on.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the DTCs.
Powertrain > Engine and ECT > Trouble CodesResult | ||||||
---|---|---|---|---|---|---|
|
If any DTCs other than DTC P2084 or P242B are output, troubleshoot those DTCs first.
B |
GO TO DTC CHART Click here Нажмите здесь |
A |
READ VALUE USING GTS (EXHAUST TEMPERATURE B1S2 AND B1S3)
Leave the vehicle as is for 1 to 2 hours with the engine stopped.
Connect the GTS to the DLC3.
Turn the ignition switch to ON and turn the GTS on.
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Exhaust Temperature B1S2 and Exhaust Temperature B1S3.
Powertrain > Engine and ECT > Data ListTester Display |
---|
Exhaust Temperature B1S2 |
Exhaust Temperature B1S3 |
Read the values.
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
If the exhaust gas temperature sensor is normal, the exhaust gas temperature drops when the vehicle is left as is for 1 to 2 hours with the engine stopped. If the exhaust gas temperature does not drop, the exhaust gas temperature sensor may be malfunctioning.
B | Нажмите здесь |
C | Нажмите здесь |
A |
REPLACE NO. 2 EXHAUST GAS TEMPERATURE SENSOR (B1S2)
Replace the No. 2 exhaust gas temperature sensor (B1S2).
Click hereНажмите здесь
Result | ||
---|---|---|
|
NEXT | Нажмите здесь |
GO TO STEP 9 |
REPLACE NO. 3 EXHAUST GAS TEMPERATURE SENSOR (B1S3)
Replace the No. 3 exhaust gas temperature sensor (B1S3).
Click hereНажмите здесь
Result | ||
---|---|---|
|
NEXT | Нажмите здесь |
GO TO STEP 9 |
READ VALUE USING GTS (ENGINE COOLANT TEMPERATURE)
Allow the engine to soak for 1 to 2 hours.
It is not necessary to allow the engine to soak if the engine is cold.
The engine cools faster if the hood is opened.
Connect the GTS to the DLC3.
Turn the ignition switch to ON and turn the GTS on.
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
Powertrain > Engine and ECT > Data ListTester Display |
---|
Coolant Temp |
Read the value.
OK |
---|
The difference between the displayed value and ambient temperature is below 5°C (9°F). |
If the difference between "Coolant Temp" and the ambient temperature is 5°C (9°F) or higher, the heat from the engine affects the intake air temperature sensor, causing an incorrect value to be displayed. In this case, allow the engine to soak again.
Result | |||
---|---|---|---|
|
NG | Нажмите здесь |
OK |
REPLACE ECM
Replace the ECM.
Click hereНажмите здесь
Result | ||
---|---|---|
|
NEXT | Нажмите здесь |
GO TO STEP 9 |
INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Inspect the engine coolant temperature sensor.
Click hereНажмите здесь
Result | |||
---|---|---|---|
|
OK | Нажмите здесь |
GO TO STEP 6 |
NG |
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
Replace the engine coolant temperature sensor.
Click hereНажмите здесь
Result | ||
---|---|---|
|
NEXT |
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
Leave the vehicle as is for 1 to 2 hours with the engine stopped.
It is not necessary to allow the engine to soak if the engine is cold.
The engine cools faster if the hood is opened.
Connect the GTS to the DLC3.
Turn the ignition switch to ON and turn the GTS on.
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Exhaust Temperature B1S2, Exhaust Temperature B1S3 and Intake Air.
Powertrain > Engine and ECT > Data ListTester Display |
---|
Exhaust Temperature B1S2 |
Exhaust Temperature B1S3 |
Intake Air |
Read the value.
OK |
---|
The values of "Exhaust Temperature B1S2" and "Exhaust Temperature B1S3" are both approximately the same as "Intake Air". |
Result | ||
---|---|---|
|
NEXT |
END |