LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2005 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (Engine Control System AJ] >> DTC P2227 >> Diagnostic procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic procedure

DTC P2227 - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA been recorded?
Yes Go to the next step.
No Record FREEZE FRAME DATA on repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Service Bulletins and/or on line repair information availability.
  • Is any related repair information available?
Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA 
  • Is DTC P2227 on FREEZE FRAME DATA?
Yes Go to the next step.
No Go to troubleshooting procedures for DTC on FREEZE FRAME DATA.
4 INSPECT CONNECTION OF EGR BOOST SENSING RELATED VACUUM HOSES 
  • Inspect following vacuum hoses for loose, damage, improper connection and/or clog.
    • From EGR boost sensor to EGR boost sensor solenoid
    • From EGR boost sensor solenoid to EGR pipe
  • Are they okay?
Yes Go to the next step.
No Repair or replace vacuum hose, then go to Step 8.
5 INSPECT EGR BOOST SENSOR SOLENOID AIR FILTER FOR CLOG 
  • Has EGR boost sensor solenoid air filter been clogged?
Yes Repair air filter clogging, then go to Step 8.
No Go to the next step.
6 INSPECT EGR BOOST SENSOR SOLENOID STUCK OPEN OR CLOSE  Yes Go to the next step.
No Replace EGR boost sensor solenoid, then go to Step 8.
7 INSPECT EGR BOOST SENSOR STUCK OPEN OR CLOSE  Yes Go to the next step.
No Replace EGR boost sensor, then go to the next step.
8 VERIFY TROUBLESHOOTING OF DTC P2227 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Turn key to ON (Engine off).
  • Clear the DTC from the memory using the WDS or equivalent.
  • Run DRIVE MODE except for Mode 4.

    (See OBD-II DRIVE MODE .)

  • Stop vehicle.
  • Is same DTC present?
Yes Replace PCM, then go to the next step.
No Go to the next step.
9 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Troubleshooting completed.