The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.System Voltage (P0560)
DESCRIPTION
The battery supplies electricity to the TCM even when the ignition switch is
off. This power allows the TCM to store data such as DTC history and freeze frame
data. If the battery voltage falls below a minimum level, these memories are cleared ...
Driver Side Solar Sensor Short Circuit (B14A2)
DESCRIPTION
The solar sensor is installed on the upper side of the instrument panel. It detects
sunlight to control air conditioning AUTO mode. The output voltage from the solar
sensor varies in accordance with the amount of sunlight. When the amount of ...
System Diagram
SYSTEM DIAGRAM
1. CAN AND DIRECT LINE SIGNALS
2. INPUT AND OUTPUT SIGNALS OF THE ACCESSORY METER ASSEMBLY
Warning light or indicator light
Communication Signal
Receiver
Communication Line
Sender
...