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Home >> Mazda >> 2021 >> CX-3 FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle (Service Information) >> Initial Learning >> Using M-MDS >> Initial learning procedure

Initial learning procedure

  1. After the vehicle is identified, select the following items from initialization of the M-MDS.
    1. Select "Self-test".
    2. Select "Module".
    3. Select "TCM".
    4. Select "Retrieve CMDTCs"
  2. Start the engine and wait for 30 s or more.
    CAUTION:
    • When performing the initial learning, initial learning ends for safety purposes when the brake fluid pressure sensor value is the specification or less. When performing the initial learning, be careful of the following.
    • Forcefully depress the brake pedal while initial learning is being implemented. (Brake hydraulic pressure 5 MPa {51 kgf/cm2 , 725 psi} or more)
    • Do not depress the brake pedal after releasing it. Otherwise, the power brake fluid pressure will decrease and weaken the braking force.
  3. Perform the following steps  1 to  5 with the brake pedal depressed.
    1. Shift the selector lever to the D position.
    2. When the delete button on the M-MDS DTC screen is pressed and the screen returns to the DTC display screen, shift the selector lever to the M position (manual position) within 10 s.
    3. Verify that the engine speed increases from idling.
      • If the engine speed does not increase from idling, switch the ignition off and repeat the procedure from Step  2.
      NOTE:
      • When the engine speed increases from idling, the initial learning is performed.
      • The shift position indication and the gear position indication turn off while the initial learning is being implemented.
    4. Verify that the engine speed returns to idle and M1 is displayed after the shift position indication and the gear position indication flashes 2 times.
      G12231632Courtesy of MAZDA MOTORS CORP.
      • If the shift position indication and the gear position indication do not flash, switch the ignition off and repeat the procedure from Step  2.
      NOTE:
      • Because the shift position indication and the gear position indication flash only once, be careful not to overlook it.
      • If the initial learning is shut down for any reason while performing the learning, the shift position indication and the gear position indication do not flash.
    5. Shift the selector lever to the P position and turn off the engine.
  4. Release the brake pedal.
  5. Clear DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (EW6A-EL/EW6AX-EL)] .)
  6. Switch the ignition off.
  7. Switch the ignition ON (engine off or on).
  8. Using the M-MDS, verify that DTC P06B8:00 has not been stored. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (EW6A-EL/EW6AX-EL)] .)
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