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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Introduction >> After Repair Procedure
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After Repair Procedure

  1. Switch the ignition off.
  2. Connect the M-MDS to the DLC-2.
  3. Switch the ignition ON (engine off).
  4. Verify the DTC according to the directions on the M-MDS screen.
    • Press the clear button on the DTC screen to clear the DTC.
  5. Switch the ignition off for 30 s or more  .
    CAUTION:
  6. Switch the ignition ON (engine on).
  7. Verify all accessory loads are off.
  8. Start the engine and maintain the engine speed at 2, 800-3, 200 rpm  until the cooling fan starts running (for A/F sensor and HO2S activation).
    NOTE:
    • If the engine speed is maintained at 2, 800 to 3, 200 rpm  , the engine speed may decrease to the idle speed. This is due to the fuel cut control operation, which prevents overheating, and it does not indicate a malfunction. The engine control returns to normal when the accelerator pedal is released.
  9. When the cooling fan starts running, idle the engine.
  10. Maintain idle for 30 s or more  after the cooling fan has stopped (for fuel learning).
  11. Perform the DTC inspection again and verify that no DTCs are stored. Refer to ON-BOARD DIAGNOSTIC TEST .)
  12. Switch the ignition off.
  13. Disconnect the M-MDS to the DLC-2.