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.Low Power Supply Voltage (C1241/94)
DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication
with the skid control ECU or in a speed sensor occurs, the AWD control ECU will
prohibit operations by the fail-safe function.
DTC No.
...
ECM Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
"Engine" and "ECT" are not displayed on "CAN Bus Check" screen
of the Techs ...
Vehicle Speed Signal Malfunction (B2282)
DESCRIPTION
The power management control ECU receives vehicle speed information using 2 methods.
It receives a speed signal from the meter ECU. It also receives speed information
from the meter ECU via CAN. If the information sent using these 2 methods is ...