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Home >> Mazda >> 2011 >> 6 s Touring Plus >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (On-Board Diagnostic [Engine Control System MZR 2.5]) >> DTC P0457:00 >> Diagnostic procedure

Diagnostic procedure

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DIAGNOSTIC PROCEDURE CHART

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED 
  • Have the FREEZE FRAME DATA (Mode 2)/snapshot data and DIAGNOSTIC MONITORING TEST RESULTS (EVAP system related) been recorded?
 Yes Go to the next step.
No Record the FREEZE FRAME DATA (Mode 2)/snapshot data and DIAGNOSTIC MONITORING TEST RESULTS on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-fine 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 VERIFY RELATED PENDING AND STORED DTC 
  • Switch the ignition to off, then to ON (engine off).
  • Verify pending and stored DTCs using the M-MDS.

    (See ON-BOARD DIAGNOSTIC TEST .)

  • Are any other DTCs present?
NOTE:
  • If the DTC P0455:00 is present, diagnose the DTC P0455:00 first.
 Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Go to the next step.
4 INSPECT FUEL FILLER CAP FOR MISSING OR LOOSENESS 
  • Visually inspect the fuel filler cap for missing or looseness.
  • Is there any malfunction?
 Yes Repair or replace the fuel filler cap, then go to the next step.
No Go to the next step.
5 EVAP SYSTEM LEAK INSPECTION  Yes Go to the next step.
No Leakage still exists.
  • Perform the DTC P0455:00 inspection.

(See DTC P0442:00, P0455:00, P0456:00 .)
6 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the M-MDS.

    (See AFTER REPAIR PROCEDURE .)

  • Perform the Drive Mode 06 (EVAP System Repair Verification Drive Mode).

    (See OBD-II DRIVE MODE .)

  • Is the PENDING CODE for this DTC present?
 Yes Repeat the inspection from Step 1.
  • If the malfunction recurs, replace the PCM.

(See PCM REMOVAL/INSTALLATION .)
Go to the next step.
No Go to the next step.
7 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No DTC troubleshooting completed.
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