Toyota T100 1996 Service Manual page 481

8 Check operation of VSV for EVAP (See page SF−50).
OK
9 Check for open and short in harness and connector between EFI main relay
(Marking: EFI), VSV for EVAP and ECM (See page IN−26).
OK
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ENGINE (5VZ−FE)
NG Replace VSV.
NG Repair or replace harness or connector.
DI−217