Lumbar Support Unit Removal/Installation

WARNING:

Handling a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the Service Information before handling the front seat (side air bag integrated). (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
If the sliding mechanisms on both sides are not locked after assembling the front seat, the front seat will operate accidentally while the vehicle is driven, which could result in serious injury. After assembling the front seat, shake it up and down and verify that the sliding mechanism on the both sides are locked.

CAUTION:

If the slide lever is operated after the front seat is removed, the left/right slide positions will deviate and the adjuster unit could be damaged after the front seat is installed. After removing a front seat, do not operate the slide lever.
Verify that there are no malfunctions in the forward/back slide of the seat and in the adjuster unit after installing a front seat.
When performing the procedure with a front seat removed from the vehicle, perform the procedure on a clean cloth so as not to damage or soil the seat.

Switch the ignition OFF (LOCK).
Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION .)
Remove the front seat back trim. (See FRONT SEAT BACK TRIM REMOVAL/INSTALLATION .)
Disconnect the lumbar support motor connector. (With power lumbar support system)
Remove the screws. (Without power lumbar support system)

Courtesy of MAZDA MOTORS CORP.
Disengage the hook shown in the figure from the front seat back frame.

Courtesy of MAZDA MOTORS CORP.
Disengage the hooks shown in the figure from the front seat back frame and remove the lumbar support unit.

Courtesy of MAZDA MOTORS CORP.
Remove the support plate in the order of arrows (1) and (2) shown in the figure.

Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.