TCM Removal/Installation

CAUTION:

Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
Do not damage the terminals.

Disconnect the negative battery cable.
Remove the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Disconnect the TCM connector.
Remove the clip from the selector cable and disconnect the selector cable from manual shaft lever.

Fig 1: Selector Cable, Clip, TCM And Manual Shaft Lever
Courtesy of MAZDA MOTORS CORP.
Set the adjustable wrench as shown in the illustration to hold the manual shaft lever.

Fig 2: Holding Manual Shaft Lever Using Adjustable Wrench
Courtesy of MAZDA MOTORS CORP.
Remove the manual shaft nut, washer and manual shaft lever.
CAUTION:
- Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
  
  Fig 3: Manual Shaft Nut, Washer And Lever
  Courtesy of MAZDA MOTORS CORP.
Remove the TCM.

Fig 4: TCM And Installation Bolts
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Do not touch the terminals.
  
  Fig 5: TCM
  Courtesy of MAZDA MOTORS CORP.
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.

Fig 6: Connector Pin Of Coupler Component And O-Ring
Courtesy of MAZDA MOTORS CORP.
Remove the O-ring from the coupler component.

Fig 7: O-Ring Of Coupler Component
Courtesy of MAZDA MOTORS CORP.
Install a new O-ring to the coupler component.
CAUTION:
- Do not apply ATF to the O-ring.
  
  Fig 8: O-Ring Of Coupler Component
  Courtesy of MAZDA MOTORS CORP.
Align the transaxle case and coupler component connector.

Fig 9: Transaxle Case And Coupler Component Connector
Courtesy of MAZDA MOTORS CORP.
Be sure to match the position of the TCM marking.
CAUTION:
- Do not turn more than 60° from the marking.
Install the TCM.

Fig 10: Position Of TCM Marking
Courtesy of MAZDA MOTORS CORP.
Verify the correct positioning of the TCM and coupler component.

Fig 11: Locating Correct Positioning Of TCM And Coupler Component
Courtesy of MAZDA MOTORS CORP.
Tighten the TCM installation bolts.
Tightening Torque: 20-29 N.m {2.1-2.9 kgf.m, 15-21 ft.lbf}

Fig 12: TCM And Installation Bolts
Courtesy of MAZDA MOTORS CORP.
Install the manual shaft lever, washer and manual shaft nut.

Fig 13: Manual Shaft Lever, Washer And Nut
Courtesy of MAZDA MOTORS CORP.
Set the adjustable wrench as shown in the illustration to hold the manual shaft lever.
CAUTION:
- Do not use an impact wrench. Hold the manual shaft lever when installing the manual shaft nut, or the transaxle may be damaged.
Tighten the manual shaft nut.
Tightening Torque: 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}

Fig 14: Holding Manual Shaft Lever Using Adjustable Wrench
Courtesy of MAZDA MOTORS CORP.
Install the clip to the selector cable as shown in the illustration.
Shift the selector lever to P position.
Turn the manual shaft lever to P position.

Fig 15: Position Of Selector Cable Clips
Courtesy of MAZDA MOTORS CORP.
Install the selector cable to the manual shaft lever.
Connect the TCM connector.
Install the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Connect the negative battery cable.
Perform the "Neutral Position Learning". (See TCM NEUTRAL POSITION LEARNING .)

Fig 16: Selector Cable, Manual Shaft Lever And TCM
Courtesy of MAZDA MOTORS CORP.