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 And Nut With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Release the wiring harness clips in the two locations shown in the figure.

Fig 2: Releasing Wiring Harness Clips
Courtesy of MAZDA MOTORS CORP.
Disconnect the PCM connector shown in the figure.

Fig 3: PCM Connector
Courtesy of MAZDA MOTORS CORP.
Remove the battery tray and PCM component as a single unit.