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Home >> Mazda >> 2022 >> CX-5 S Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 293 (Engine Control System (VIN M)) >> Exhaust Shutter Valve Position Sensor Inspection >> Function inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Function inspection

WARNING: This page is about a different car, the 2021 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  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).
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