J'ai suivi votre méthode et voila ce que ça affiche, je suppose que ça a fonctionné
	
	
	
		
	
		
			
		
		
	
				
			
		Bloc de code:
	
	System Integrity Protection status: disabled.
	System Integrity Protection status: disabled.
	sudo asr adjust --t /dev/disk0s3 --settype "Apple_HFS"
	diskutil list
	iMac-de-HAKO:~ FICA$ sudo asr adjust --t /dev/disk0s3 --settype "Apple_HFS"
Password:
Fsck /dev/disk0s3 ....10....20....30....40....50....60....70....80....90....100
Adjust completed successfully
iMac-de-HAKO:~ FICA$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            580.0 GB   disk0s2
   3:                  Apple_HFS Recovery HD             420.0 GB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *128.3 GB   disk1
   1:                 DOS_FAT_32 WININSTALL              128.3 GB   disk1s1
	   3:                  Apple_HFS Recovery HD             420.0 GB   disk0s3
	diskutil mount disk0s3
df -H /Volumes/"Recovery HD"
	Filesystem     Size   Used  Avail Capacity iused      ifree %iused  Mounted on
/dev/disk0s3   420G   610M   419G     1%      70 4294967209    0%   /Volumes/Recovery HD
	diskutil resizeVolume disk0s3 %recovery% free null 0b
	diskutil list
	iMac-de-HAKO:~ FICA$ diskutil resizeVolume disk0s3 %recovery% free null 0b
Resizing to 650002432 bytes and adding 1 partition
Started partitioning on disk0s3 Recovery HD
Verifying the disk
Verifying file system
Volume was successfully unmounted
Performing fsck_hfs -fn -x /dev/rdisk0s3
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Checking multi-linked files
Checking catalog hierarchy
Checking extended attributes file
Checking volume bitmap
Checking volume information
The volume Recovery HD appears to be OK
File system check exit code is 0
Restoring the original state found as mounted
Resizing
Shrinking file system
Modifying partition map
Finished partitioning on disk0s3 Recovery HD
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            580.0 GB   disk0s2
   3:                  Apple_HFS Recovery HD             650.0 MB   disk0s3
iMac-de-HAKO:~ FICA$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            580.0 GB   disk0s2
   3:                  Apple_HFS Recovery HD             650.0 MB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *128.3 GB   disk1
   1:                 DOS_FAT_32 WININSTALL              128.3 GB   disk1s1
	   3:                  Apple_HFS Recovery HD             650.0 MB   disk0s3
	diskutil umount force disk0s3
sudo asr adjust --t /dev/disk0s3 --settype "Apple_Boot"
	diskutil list
	iMac-de-HAKO:~ FICA$ sudo asr adjust --t /dev/disk0s3 --settype "Apple_Boot"
Password:
Fsck /dev/disk0s3 ....10....20....30....40....50....60....70....80....90....100
Adjust completed successfully
iMac-de-HAKO:~ FICA$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            580.0 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *128.3 GB   disk1
   1:                 DOS_FAT_32 WININSTALL              128.3 GB   disk1s1
	   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
	diskutil resizeVolume disk0s2 0b
	diskutil list
	iMac-de-HAKO:~ FICA$ diskutil resizeVolume disk0s2 0b
Resizing to full size (fit to fill)
Started partitioning on disk0s2 Macintosh HD
Verifying the disk
Verifying file system
Volume could not be unmounted
Using live mode
Performing fsck_hfs -fn -l -x /dev/rdisk0s2
Performing live verification
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Checking multi-linked files
Checking catalog hierarchy
Checking extended attributes file
Checking volume bitmap
Checking volume information
The volume Macintosh HD appears to be OK
File system check exit code is 0
Restoring the original state found as mounted
Resizing
Modifying partition map
Copying booter
Growing file system
Finished partitioning on disk0s2 Macintosh HD
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s4
iMac-de-HAKO:~ FICA$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s4
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *128.3 GB   disk1
   1:                 DOS_FAT_32 WININSTALL              128.3 GB   disk1s1
	/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s4
	   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s4
	diskutil list
	/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *128.3 GB   disk1
   1:                 DOS_FAT_32 WININSTALL              128.3 GB   disk1s1
	   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
	df -H /
	Filesystem     Size   Used  Avail Capacity iused      ifree %iused  Mounted on
/dev/disk0s2   599G   192G   407G    33% 1042773 4293924506    0%   /