Plug-In Charging Safety - Toyota RAV4 EV 2012 Electric Emergency Response Manual

Plug-in Charging Safety

The EV battery assembly can be charged using power from an external
power source. AC power is supplied to the charge inlet by the charge
cable assembly and sent to the on-board charger. The charger boosts AC
input voltage and converts to DC output voltage (230 to 386 Volts DC)
for the EV battery assembly. The EV battery assembly communicates
with the charger to regulate charging profile. To provide information
about charging, the battery control computer illuminates the charge
indicator located in the driver side rear quarter window during charging.
When charging completes, EV battery contactors is opened to stop
charging system high voltage power flow.
The following systems are intended to help keep vehicle occupants and
emergency responders safe from high voltage electricity:
Plug-in Charging System Safety System

The battery control computer monitors the charging system based on
information from various sensors. If the battery control computer detects a
malfunction, charging is stopped, contactor is opened, and the charge
indicator flashes quickly to indicate the presence of the malfunction.
WARNING:
The high voltage system, including the charging system, may remain
powered for up to 10 minutes after the vehicle is shut off, disabled, or
charging stops. To prevent serious injury or death from severe burns or
electric shock, avoid touching, cutting, or breaching any orange high
voltage power cables or high voltage components.
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