Lexus IS350 AWD Owner's Manual page 505

Remove the fuse with the pullout
3
tool.
Only type A fuses can be removed
using the pullout tool.
Check if the fuse is blown.
4
Normal fuse
1
Blown fuse
2
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D:
Contact your Lexus dealer.
Type A

Type C

IS350 AWD/IS350/IS300 AWD/IS300_U
7-3. Do-it-yourself maintenance
Type B

Type D

505
7