DTC P2227:00 [PCM (SKYACTIV-D)]

System malfunction location	BARO sensor circuit range/performance problem
Detection condition	• With the following conditions met, the difference between the value detected by MAP sensor and the barometric pressure is 11.5 kPa {0.117 kgf/cm², 1.67 psi} or more, or the difference between the value detected by the BARO sensor and exhaust gas pressure sensor No.1 exceeds 55.8 kPa{0.596 kgf/cm², 8.09 psi}. ― Battery positive voltage: 10 V or more ― 4 to 6 s have elapsed after ignition is switched off ― The following DTCs are not detected • MAP sensor: P0107:00, P0108:00 • Exhaust gas pressure sensor P0472:00, P0473:00 • BARO sensor: P2226:00, P2228:00, P2229:00
Fail-safe	• PCM restricts engine torque. • Limits the maximum engine speed. • Inhibits the DENOx/DESOx control. • Inhibits the diesel particulate filter regeneration control. • Inhibits the EGR control. • PCM restricts engine-transaxle integration control. (ATX) • Inhibits engine-stop by operating the i-stop function.
Possible cause	• BARO sensor malfunction (integrated with PCM) • BARO sensor connector or terminal malfunction (integrated with PCM) • Malfunction in the following sensors ― MAP sensor ― Exhaust gas pressure sensor No.1 • PCM connector or terminal malfunction • PCM malfunction
System wiring diagram	• Not applicable
Connector diagram	• Not applicable

System malfunction location

BARO sensor circuit range/performance problem

Detection condition

• With the following conditions met, the difference between the value detected by MAP sensor and the barometric pressure is 11.5 kPa {0.117 kgf/cm², 1.67 psi} or more, or the difference between the value detected by the BARO sensor and exhaust gas pressure sensor No.1 exceeds 55.8 kPa{0.596 kgf/cm², 8.09 psi}.

― Battery positive voltage: 10 V or more

― 4 to 6 s have elapsed after ignition is switched off

― The following DTCs are not detected

• MAP sensor: P0107:00, P0108:00

• Exhaust gas pressure sensor P0472:00, P0473:00

• BARO sensor: P2226:00, P2228:00, P2229:00

Fail-safe

• PCM restricts engine torque.

• Limits the maximum engine speed.

• Inhibits the DENOx/DESOx control.

• Inhibits the diesel particulate filter regeneration control.

• Inhibits the EGR control.

• PCM restricts engine-transaxle integration control. (ATX)

• Inhibits engine-stop by operating the i-stop function.

Possible cause

• BARO sensor malfunction (integrated with PCM)

• BARO sensor connector or terminal malfunction (integrated with PCM)

• Malfunction in the following sensors

― MAP sensor

― Exhaust gas pressure sensor No.1

• PCM connector or terminal malfunction

• PCM malfunction

System wiring diagram

• Not applicable

Connector diagram

• Not applicable

Step	Inspection	Results	Action
1	RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION • Record the freeze frame data/snapshot data. Note • Recording can be facilitated using the screen capture function of the PC.	—	Go to the next step.
2	VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY • Verify related Service Bulletins, on-line repair information, or Service Information availability. • Is any related Information available?	Yes	Perform repair or diagnosis according to the available information. • If the vehicle is not repaired, go to the next step.
No	Go to the next step.
3	VERIFY OTHER RELATED DTCs • Display the DTCs using the M-MDS. (See DTC INSPECTION.) • Has any DTC related to the following sensors been stored? ― MAP sensor ― Exhaust gas pressure sensor No.1	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-D)].)
No	Go to the next step.
4	INSPECT BARO SENSOR FOR MALFUNCTION • Inspect the applicable part. (See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION [SKYACTIV-D 1.8].) • Is the part normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)
5	INSPECT PCM CONNECTOR FOR MALFUNCTION • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION.) • Are the connector and terminal normal?	Yes	Go to the next step.
No	Repair or replace the malfunctioning location and perform the repair completion verification.
6	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Reconnect all the disconnected connectors. • Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC. (See CLEARING DTC.) • Start the engine and warm it up. • Stop the vehicle, switch the ignition OFF, and wait for 20 s. • Switch the ignition ON (engine off). • Display the DTCs using the M-MDS. (See DTC INSPECTION.) • Has DTC P2227:00 been recorded?	Yes	• Inspect the following sensors, then go to the next step. ― MAP sensor (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION [SKYACTIV-D 1.8].) ― Exhaust gas pressure sensor No.1 (See EXHAUST GAS PRESSURE SENSOR INSPECTION [SKYACTIV-D 1.8].)
No	Go to repair completion verification 2.
Repair completion verification 1	VERIFY THAT VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Replicate the vehicle conditions at the time the DTC was detected using the following procedure. ― Start the engine and warm it up. ― Stop the vehicle, switch the ignition OFF, and wait for 20 s. ― Switch the ignition ON (engine off). • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)
No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
No	DTC troubleshooting completed.

Step

Inspection

Results

Action

RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION

• Record the freeze frame data/snapshot data.

Note

• Recording can be facilitated using the screen capture function of the PC.

—

Go to the next step.

VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY

• Verify related Service Bulletins, on-line repair information, or Service Information availability.

• Is any related Information available?

Yes

Perform repair or diagnosis according to the available information.

• If the vehicle is not repaired, go to the next step.

Go to the next step.

VERIFY OTHER RELATED DTCs

• Display the DTCs using the M-MDS.

(See DTC INSPECTION.)

• Has any DTC related to the following sensors been stored?

― MAP sensor

― Exhaust gas pressure sensor No.1

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [PCM (SKYACTIV-D)].)

Go to the next step.

INSPECT BARO SENSOR FOR MALFUNCTION

• Inspect the applicable part.

(See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION [SKYACTIV-D 1.8].)

• Is the part normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)

INSPECT PCM CONNECTOR FOR MALFUNCTION

• Inspect the applicable connector and terminal.

(See CONNECTOR INSPECTION.)

• Are the connector and terminal normal?

Yes

Go to the next step.

Repair or replace the malfunctioning location and perform the repair completion verification.

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

• Reconnect all the disconnected connectors.

• Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC.

(See CLEARING DTC.)

• Start the engine and warm it up.

• Stop the vehicle, switch the ignition OFF, and wait for 20 s.

• Switch the ignition ON (engine off).

• Display the DTCs using the M-MDS.

(See DTC INSPECTION.)

• Has DTC P2227:00 been recorded?

Yes

• Inspect the following sensors, then go to the next step.

― MAP sensor

(See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION [SKYACTIV-D 1.8].)

― Exhaust gas pressure sensor No.1

(See EXHAUST GAS PRESSURE SENSOR INSPECTION [SKYACTIV-D 1.8].)

Go to repair completion verification 2.

Repair completion verification 1

VERIFY THAT VEHICLE IS REPAIRED

• Install/connect the part removed/disconnected during the troubleshooting procedure.

• Clear the DTC recorded in the memory.

(See CLEARING DTC.)

• Replicate the vehicle conditions at the time the DTC was detected using the following procedure.

― Start the engine and warm it up.

― Stop the vehicle, switch the ignition OFF, and wait for 20 s.

― Switch the ignition ON (engine off).

• Perform the DTC inspection for the PCM.

(See DTC INSPECTION.)

• Is the same Pending DTC present?

Yes

Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)

If the CAN communication is normal, perform the diagnosis from Step 1.

• If the malfunction recurs, replace the PCM, then go to the next step.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.8].)

Go to the next step.

Repair completion verification 2

VERIFY IF OTHER DTCs DISPLAYED

• Perform the DTC inspection.

(See DTC INSPECTION.)

• Are any other DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

DTC troubleshooting completed.

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