Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Precaution
PRECAUTION
1. BEFORE WORKING ON FUEL SYSTEM
(a) When disconnecting a fuel line, fuel will splash. So observe the following
precautions:
(1) Do not smoke or work near fire when handling the fuel system.
(2) Keep gasoline away from rubber or leather parts. ...
Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION
This DTC is stored when a problem such as an open in the AM2 fuse, an open or
short in the wire harness between the fuse and power management control ECU, a short
in the IG output circuit inside the power management control ECU, a short betwee ...
Starter Relay Circuit High (P0617)
MONITOR DESCRIPTION
While the engine is being cranked, battery voltage is applied to terminal STA
of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle
is being driven, it determines that there is a malfunction in the STA circu ...