Backup Power Supply Removal/Installation

Using the retractable hardtop switch, keep the rear roof open. (retractable hardtop)

Courtesy of MAZDA MOTORS CORP.
Open the convertible top. (convertible top)
Operate the door lock actuator using the following procedure and deplete the energy stored in the backup power supply.
NOTE:
- If the energy stored in the backup power supply has already been depleted, the door lock actuator does not operate. As this does not indicate an improper procedure, continue to perform the procedure as indicated.
1. Remove the D.LOCK 25A fuse.
2. Close the front door (driver's side)
3. Repeat the lock/unlock operation of the door lock switch (driver's side) until all the door lock knobs do not move.
Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Selector lever knob (AT) (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
2. Shift lever knob (MT)
3. Shift panel component (See SHIFT PANEL REMOVAL/INSTALLATION .)
4. Upper panel (See UPPER PANEL REMOVAL/INSTALLATION .)
5. Parking brake lever boot panel (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION .)
6. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
7. Scuff plate (See SCUFF PLATE REMOVAL/INSTALLATION .)
8. Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
9. Front seat back bar garnish (See SEAT BACK BAR GARNISH REMOVAL/INSTALLATION .)
10. Quarter trim (See QUARTER TRIM REMOVAL/INSTALLATION .)
11. Wind blocker (See WIND BLOCKER REMOVAL/INSTALLATION .)
12. Roof hook lever (See ROOF HOOK REMOVAL/INSTALLATION .)
13. Back trim (See BACK TRIM REMOVAL/INSTALLATION .)
Disconnect the connector.

Fig 1: Backup Power Supply Nuts With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the nuts.
Remove the backup power supply.
Install in the reverse order of removal.