DTC P2452:00 [SKYACTIV-D 1.5]

id0102q2153600

DTC P2452:00

Signal malfunction in exhaust gas pressure sensor No.2
DETECTION CONDITION
•  Difference in pressure is ±5 kPa {±0.05 kgf/cm2, ±0.7 psi} or more while the engine is stopped.
Diagnostic support note
•  This is an intermittent monitor (other).
•  The check engine light does not illuminate.
•  FREEZE FRAME DATA is not available.
•  Snapshot data is available.
•  DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
Not applicable
POSSIBLE CAUSE
•  Exhaust gas pressure sensor No.2 connector or terminals malfunction
•  PCM connector or terminals malfunction
•  Exhaust gas pressure sensor No.2 malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture function of the PC.
•  Record the snapshot data on the repair order.
—
Go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE AND/OR DTC
•  Switch the ignition off, then ON (engine off).
•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
•  Are any other PENDING CODEs and/or DTCs present?
Yes
Go to the applicable PENDING CODE or DTC inspection.
(See DTC TABLE [SKYACTIV-D 1.5].)
No
Go to the next step.
4
INSPECT EXHAUST GAS PRESSURE SENSOR NO.2 CONNECTOR CONDITION
•  Switch the ignition off.
•  Disconnect the exhaust gas pressure sensor No.2 connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 7.
No
Go to the next step.
5
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 7.
No
Go to the next step.
6
INSPECT EXHAUST GAS PRESSURE SENSOR NO.2
•  Reconnect all disconnected connectors.
•  Inspect the exhaust gas pressure sensor No.2.
•  Is there any malfunction?
Yes
Replace the exhaust gas pressure sensor No.2, then go to the next step.
(See EXHAUST GAS PRESSURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)
No
Go to the next step.
7
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Always reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Drive the vehicle on a flat road surface 5 times under the following conditions.
1.  Idle the engine for 20 s.
2.  Shift to 2nd gear and rapidly accelerate the vehicle to 35 km/h {22 mph}and drive the vehicle at a constant speed for 25 s.
3.  Stop the vehicle.
4.  Switch the ignition to off and wait for 20 s or more.
5.  Shift to 3rd gear and rapidly accelerate the vehicle to 50 km/h {32 mph}and drive the vehicle at a constant speed for 50 s.
6.  Idle the engine for 20 s.
•  Perform the DTC Reading Procedure.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
8
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-D 1.5].)
No
DTC troubleshooting completed.