High-Voltage Electrical Disconnect Features - Ford 2012 FOCUS Emergency Response Manual

HIGH-VOLTAGE ELECTRICAL DISCONNECT FEATURES

WARNING
:
ELECTRIC VEHICLES DAMAGED BY A CRASH MAY HAVE COMPROMISED
HIGH VOLTAGE SAFETY SYSTEMS AND PRESENT A POTENTIAL HIGH VOLTAGE
ELECTRICAL SHOCK HAZARD. EXERCISE CAUTION AND WEAR APPROPRIATE
PERSONAL PROTECTIVE EQUIPMENT (PPE) SAFETY GEAR, INCLUDING
HIGH VOLTAGE SAFETY GLOVES AND BOOTS. REMOVE ALL METALLIC JEWELRY,
INCLUDING WATCHES AND RINGS. ISOLATE THE HIGH VOLTAGE SYSTEM AS
DIRECTED BY THE FORD EMERGENCY RESPONSE GUIDE FOR THE VEHICLE.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL
INJURY OR DEATH.
The following list describes certain features that have been incorporated into Focus
Electric vehicles that allows for either simple or automatic shut-off of the high-voltage
electrical systems.
• High-Voltage Fuse — In the event of a high-voltage short circuit, the
high-voltage fuse will open, isolating the high-voltage system.
• High-Voltage Interlock Circuit — Whenever a high-voltage connector
is disconnected, the high-voltage interlock circuit opens and isolates
the high-voltage system. The circuit will also open if a high-voltage cable is
cut, broken, or severed. This circuit is wrapped around high-voltage cables.
• Ignition is in the OFF Position — Any time the ignition is in
the OFF position (and the vehicle is not being charged), the high-voltage
system is isolated.
• High-Voltage Service Disconnect — Whenever either of the high-voltage
service disconnects are removed, the high-voltage system is isolated.
For additional information, refer to Pages 10-12 in this manual.
• Thermal Sensors — If the battery is in extreme hot ambient conditions
and/or is being driven extremely aggressively with compromised cooling,
power limits will be employed to prevent overheating. However, if the
battery is in use and does become too hot, contactors will be opened and
the vehicle will shut down.
FCS-21200-12 2012 Focus Electric Emergency Response Guide Page 5 of 23