Occupant Classification Ecu
PrecautionSystem 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 ...
Uniform Tire Quality Grading
This information has been prepared in accordance with regulations issued by the
National Highway Traffic Safety Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota vehicles with
infor ...
Brake Switch "A" / "B" Correlation (P0504)
DESCRIPTION
The stop light switch is a duplex system that transmits 2 signals: STP and ST1-.
These 2 signals are used by the ECM to monitor whether or not the brake system is
working properly. If signals which indicate the brake pedal is being depressed a ...