LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (On-Board Diagnostic - Introduction) >> On-Board Diagnostic Test >> DTC Reading Procedure >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Reading Procedure: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the M-MDS to the DLC-2.
  2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
    1. Select "Self Test".
    2. Select "Modules".
    3. Select "PCM".
  3. Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS screen.
  4. Verify the DTC according to the directions on the M-MDS screen.
    • If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.
  5. After completion of repairs, clear all DTCs stored in the PCM, while referring to "AFTER REPAIR PROCEDURE ".