P2227

DTC P2227

DTC Detecting Condition and Trouble Area






Circuit Diagram










System Description

Barometric pressure is measured by EVAP leak check pressure sensor in EVAP leak check module.

DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

- Be sure to troubleshoot first unexpected DTCs previously detected in "DTC Confirmation Procedure".
- Confirm that the following conditions are met in this "DTC Confirmation Procedure".

- Engine speed < 4000 rpm

- DTC P2228 or P2229 is not detected.

1) Connect scan tool with ignition mode of keyless push start system in "OFF".
2) Warm up engine to normal operating temperature.
3) Drive vehicle at 2,000 - 4,000 rpm with throttle opening more than 30% for 10 sec.
4) Checking the opening with scan tool.

DTC Troubleshooting

1.
Was "Engine and Emission Control System Check" performed?
YES -
Go to Step 2.
NO -
Go to Engine and Emission Control System Check Engine and Emission Control System Check.

2. EVAP leak check pressure sensor check

Check EVAP leak check pressure sensor for performance referring to "EVAP Leak Check Pressure Sensor (Combine with BARO Sensor) On-Vehicle Inspection" under EVAP Leak Check Module Inspection EVAP Leak Check Module Inspection.

Is it in good condition?
YES -
Go to Step 3.
NO -
Replace EVAP leak check module. Service and Repair

3. EVAP system check

Check the following parts for clogging.
- EVAP canister
- EVAP canister air suction filter
- EVAP passage
- EVAP vent valve in EVAP leak check module

Are they in good condition?
YES -
Go to Step 4.
NO -
Clean, repair or replace defective parts.

4. EVAP leak check pressure sensor circuit check

Check EVAP leak check pressure sensor circuit according to step 2 through 5 of P2228 DTC P2228 / P2229.

Is it in good condition?
YES -
Replace ECM and recheck DTC. Service and Repair
NO -
Repair or replace defective wire harness.