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: Clip, TCM, Manual Shaft Lever And Selector Cable
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 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, Manual Shaft Lever, Washer And TCM
Courtesy of MAZDA MOTORS CORP.
Remove the TCM.

Fig 4: TCM And TCM Installation Bolt
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Do not touch the terminals.
Fig 5: TCM Terminals
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 And O-Ring
Courtesy of MAZDA MOTORS CORP.
Remove the O-ring from the coupler component.

Fig 7: O-Ring And 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 And Coupler Component
Courtesy of MAZDA MOTORS CORP.
Align the transaxle case and coupler component connector.

Fig 9: Aligning 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: TCM Marking
Courtesy of MAZDA MOTORS CORP.
Verify the correct positioning of the TCM and coupler component.

Fig 11: Locating 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 TCM Installation Bolt
Courtesy of MAZDA MOTORS CORP.
Install the manual shaft lever, washer and manual shaft nut.

Fig 13: TCM, Manual Shaft Lever, Washer And Manual Shaft 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.
Fig 14: Holding Manual Shaft Lever Using Adjustable Wrench
Courtesy of MAZDA MOTORS CORP.
Tighten the manual shaft nut.
Tightening torque

10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}
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: Clip
Courtesy of MAZDA MOTORS CORP.
Install the selector cable to the manual shaft fever.
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: TCM, Manual Shaft Lever And Selector Cable
Courtesy of MAZDA MOTORS CORP.