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.Steering Lock Motor Drive Power Circuit
DESCRIPTION
The steering lock ECU (steering lock actuator assembly) is connected to the power
management control ECU. The steering lock ECU (steering lock actuator assembly)
cannot activate the motor unless it receives permission signals from both ECUs.
...
Mass Air Flow Circuit Range / Performance Problem (P0101)
DESCRIPTION
Refer to DTC P0102 (See page ).
DTC No.
DTC Detection Condition
Trouble Area
P0101
All of the following conditions are met (2 trip detection logic):
(a) The engine is running.
(b ...
System Diagram
SYSTEM DIAGRAM
1. MIRROR CONTROL SYSTEM
Communication Table
Sender
Receiver
Signal / Signal Condition
Line
Main body ECU (driver side junction block assembly)
Outer mirror control EC ...