LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> 6 Touring >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN M) >> Exhaust Shutter Valve Position Sensor Inspection >> Function inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Function inspection

  1. Leave the vehicle for 6 hours or more.
  2. Connect the M-MDS to the DLC-2.
  3. Switch the ignition ON (engine off).
  4. Display the PIDs EFCV_AP_C and EFCV_AP_M.
  5. Start the engine.
  6. Verify that the vehicle is under all of the following conditions right after engine start.
    • The PID EFCV_AP_M value conforms to the EFCV_AP_C value.
    • The PID EFCV_AP_M value changes in the order of approx. 66 °(fully closed position), 4 °(fully open position), and 66 °(fully closed position).
scientia non olet · About LEMON Manuals