As the title suggests I try this file ori:

MAZDA 5 2.0L 16V MZR-CD 105kW/141HP
DENSE RF7X
SW-RF7PEV000.HEX

FLASH_0342
Ver. 1.21.001
Number setting 90255

Brand Centr.: DENSE
Type Centr.: DENSE RF7x Mazda
Number HW: RF7P18881
Number SW: SW-RF7PEV000.HEX

Eprom: RENESAS Micro - 8192 Kbit -100000
Chksum 8-bit: E31D
Chksum 16-bit inv.: 1C11

Thanks in advance !