Battery Tray and PCM Component Removal Note

Remove the air cleaner, air hose and fresh air duct component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Remove the nut securing the wiring harness protector to the battery tray.

Fig 1: Wiring Harness Protector Nut With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Release the wiring harness clips in the two locations shown in the figure.

Courtesy of MAZDA MOTORS CORP.
Disconnect the PCM connector shown in the figure.

Courtesy of MAZDA MOTORS CORP.
Remove the battery tray and PCM component as a single unit.