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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (On-Board Diagnostic [Engine Controls MZI 3.7] (2 Of 5)) >> DTC P0012:00 >> Diagnostic Procedure

Diagnostic Procedure

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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 the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related Service Bulletins available?
Yes Perform repair or diagnosis according to the available Service Bulletins.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY ENGINE OIL PRESSURE 
  • Start the engine.
  • Does the oil pressure warning light illuminate?
Yes Inspect the engine oil pressure, then go to Step 6.
(See OIL PRESSURE INSPECTION .)
No Go to the next step.
4 VERIFY TIMING CHAIN INSTALLATION 
Yes Go to the next step.
No Reinstall the timing chain, then go to Step 6.
5 INSPECT OCV (RH) 
Yes Replace the OCV (RH), then go to the next step.
(See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION .)
No Go to the next step.
6 VERIFY TROUBLESHOOTING OF DTC P0012:00 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the M-MDS.
  • Switch the ignition to off.
  • Start the engine and warm it up completely.
  • Is the PENDING CODE for this DTC present?
Yes Repeat the inspection from Step 1.

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 Troubleshooting completed.