Toyota 1 MZ–FE Manual page 568

EG2–568
Check EFI main relay.
Check EFI fuse.
1MZ–FE ENGINE – CIRCUIT INSPECTION
Remove EFI main relay from J/B No–2.
Check continuity between terminals of EFI main
relay shown below.
Terminals 3 and 5
Terminals 1 and 2
(1) Apply battery voltage between terminals 1
and 2.
(2) Check continuity between terminals 3 and 5.
Terminals 3 and 5
Replace EFI main relay.
Remove EFI fuse from J/B No.2.
Check continuity of EFI fuse.
Continuity
Check for short in all the harness and
components connected to EFI fuse.
Open
Continuity
(Reference value 72W)
Continuity