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Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (1 Of 3) >> DTC P0100-00: Mass Air Flow Sensor Circuit Performance Problem >> Function Explanation (DTC Detection Outline) >> Function Inspection Using M-MDS

Function Inspection Using M-MDS

DTC P0100:00 (PCM (SKYACTIV-G 2.0)) DIAGNOSTIC PROCEDURE

STEP INSPECTION RESULTS ACTION
1 PURPOSE: 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: RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION 
NOTE:
  • Recording can be facilitated using the screen capture function of the PC.
  • Record the FREEZE FRAME DATA/snapshot data on the repair order.
- Go to the next step.
3 PURPOSE: VERIFY RELATED PENDING CODE AND/OR DTC  Yes Go to the applicable PENDING CODE or DTC inspection.
(See DTC TABLE [PCM (SKYACTIV-G 2.0)] .)
Go to the next step.
No Go to the next step.
4 PURPOSE: VERIFY MAF SENSOR/IAT SENSOR No. 1 INPUT SIGNAL  Yes Go to the next step.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
5 PURPOSE: VERIFY CONNECTOR CONNECTIONS  Yes Repair or replace the applicable wiring harness or connector parts.
Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 9.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.