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.Air Conditioning Control Panel Circuit
DESCRIPTION
This circuit consists of the air conditioning control assembly and the A/C amplifier.
When the air conditioning control assembly is operated, signals are transmitted
to the A/C amplifier through the LIN communication system.
If the LIN commun ...
System Voltage (P0560)
DESCRIPTION
The battery supplies electricity to the ECM even when the ignition switch is
off. This power allows the ECM to store data such as DTC history, freeze frame data
and fuel trim values. If the battery voltage falls below a minimum level, the stor ...
Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION
When the A/C amplifier is turned on, a magnetic clutch ON signal is sent from
the MGC terminal of the A/C amplifier. Then, the MGC relay turns on to operate the
magnetic clutch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the ...