Toyota 2GR-FE Manual page 206

ES–50
ES
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(b) The MIL should turn OFF when the engine is
HINT:
If the MIL is not illuminated when the engine switch is first
turned on, check the MIL circuit (See page ES-471).
started. If the MIL remains illuminated, the diagnosis
system has detected a malfunction or abnormality in
the system.