2007 Mazda CX-9 V6-3.5LFACTORY OEM SERVICE PROCEDURE

Control Module: Service and Repair

TCM REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL]

Caution:
^ Water or foreign material entering the connector can cause a poor connection or corrosion. Be sure not to allow water or foreign material on the connector when disconnecting.


1. Disconnect the negative battery cable.
2. Remove the air cleaner component.
3. Disconnect the TCM connector.

Factory service manual diagram




4. Remove the clip and disconnect the selector cable.

Caution:
^ Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.


Factory service manual diagram




5. Set the adjustable wrench as shown in the figure to hold the manual shaft lever.

Factory service manual diagram




6. Remove the manual shaft nut and washer.

Factory service manual diagram




7. Remove the TCM.

Factory service manual diagram




Caution:
^ Do not touch the terminals.


Factory service manual diagram




8. Inspect the condition of the connector pin of the coupler component (foreign material, bent pins, broken pins) and O-ring after the TCM is removed.

Factory service manual diagram




9. Align the transaxle case and coupler component connector.

Factory service manual diagram




10. Be sure to match the position of the TCM marking.

Caution:
^ Do not turn more than 60° from the marking.


11. Install the TCM.

Factory service manual diagram




12. Verify the correct positioning of the TCM and coupler component.
13. Tighten the TCM mounting bolts.

Tightening torque 19.6 - 29.4 Nm (2.0 - 2.9 kgf-m, 14.5 - 21.6 ft-lbf)

Caution:
^ Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.


Factory service manual diagram




14. Install the manual shaft lever and the washer.

Factory service manual diagram




15. Set the adjustable wrench as shown in the figure to hold the manual shaft lever, and tighten the manual shaft nut.

Tightening torque 9.8 - 14.7 Nm (100 - 142 kgf-cm, 87 - 123 in-lbf)

Factory service manual diagram




16. Install the clip to the selector cable as shown in the figure.
17. Shift the selector lever to P position.
18. Turn the manual shaft lever to P position.

Factory service manual diagram




19. Connect the selector cable and install the clip.
20. Connect the TCM connector.
21. Install the air cleaner component.
22. Connect the negative battery cable.

Warning:
^ If you replace the ATX or TCM, be sure to initialize the learned values and perform neutral position learning.


23. Perform the neutral position learning.

Neutral Position Learning
1. Engage the parking brake and use wheel chocks at the front and rear of the wheels.

Factory service manual diagram




2. Connect the M-MDS to the DLC-2.
3. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
^ When using the IDS (laptop PC)
1. Select "Toolbox" tab.
2. Select "Power train".
3. Select "Transmission".

^ When using the PDS (Pocket PC)
1. Select "All Tests and Calibrations".

4. Then, select the "Transmission Learning".
5. Perform the N range learning according to the directions on the screen.
^ When "Operation Successful" is displayed, shift the selector lever to the P position and turn the ignition switch to the LOCK position, then to the ON position after 5 s
^ If "Reinstall TCM properly and then try again" is displayed, perform the following inspection:
- Verify that the transaxle manual shaft is in the N position.
^ If the manual shaft is in a position other than N, shaft it to the N position.
- Verify that the selector cable is adjusted properly.
^ If the selector cable is not adjusted properly, adjust it.
- Inspect the manual shaft lever for deformation.
^ If there is any malfunction, replace the manual shaft lever.

6. Shift the selector lever from P position to D range, then verify that the positions of the selector lever and the indicator are aligned.
^ If there is any malfunction, inspect the DTC. (See DTC TABLE [AW6A-EL, AW6AX-EL].) Diagnostic Trouble Code Descriptions
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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