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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 637 (On-Board Diagnostic (Engine Control System L5) (5 Of 5)) >> DTC U3000:41 [L5] >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify 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.
2 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Clear the DTC from the PCM memory using the M-MDS.
  • Perform the KOEO self test.

    (See KOEO/KOER SELF TEST [L5] .)

  • Is the same DTC present?
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [L5] .)
No Go to the next step
3 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection. (See DTC TABLE [L5] .)
No DTC troubleshooting completed.