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Home >> Mazda >> 2014 >> 3 SV, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Controls (4 Of 6) >> DTC P0A12 00:Dc-Dc Converter: Low Input/Output >> Function Inspection Using M-MDS
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Function Inspection Using M-MDS

STEP INSPECTION RESULTS 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 PURPOSE: VERIFY IF POWER SUPPLY IS AFFECTED BY DTC RELATED TO DC-DC CONVERTER 
  • Switch the ignition off, then ON (engine off).
  • Perform the DC-DC converter DTC inspection using the M-MDS.

    (See DTC INSPECTION [I-ELOOP] .)

  • Is the PENDING CODE/DTC U3000:49 also present?
Yes Go to the applicable PENDING CODE or DTC inspection.
(See DTC U3000:49 [I-ELOOP] .) Go to the next step.
No Go to the next step.
3 PURPOSE: VERIFY IF POWER SUPPLY IS AFFECTED BY DTC RELATED TO DC-DC CONVERTER 
  • Perform the DC-DC converter DTC inspection using the M-MDS.

    (See DTC INSPECTION [I-ELOOP] .)

  • Is the PENDING CODE/DTC P1628:11 also present?
Yes Go to the applicable PENDING CODE or DTC inspection.
(See DTC P1628:11 [I-ELOOP] .) Go to the next step.
No Go to the next step.
4 PURPOSE: DETERMINE IF MALFUNCTION CAUSED BY DC-DC CONVERTER 
  • Start the engine.
  • Is "i-ELOOP charging. Stop the vehicle and wait a minute" displayed in the LCD?
Yes Go to the TROUBLESHOOTING PROCEDURE to perform the procedure from Step 1.
No Go to the next step.
5 PURPOSE: DETERMINE LOCATION OF MALFUNCTION OCCURRENCE FROM BLOWN STARTER 250 A FUSE 
  • Switch the ignition off.
  • Inspect the STARTER 250 A fuse.
  • Is the STARTER 250 A fuse blown?
Yes Go to the TROUBLESHOOTING PROCEDURE to perform the procedure from Step 4.
No Go to the TROUBLESHOOTING PROCEDURE to perform the procedure from Step 6.