FCS-15129-13 2013 Fusion MKZ Hybrid Emergency Response Guide
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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 HV 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.
HIGH-VOLTAGE ELECTRICAL DISCONNECT FEATURES
The following list describes certain features that have been incorporated into the Fusion
Hybrid, MKZ Hybrid and Fusion Energi vehicles that allow 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, disabling the high-voltage system.
• High-Voltage Interlock Circuit — Whenever a high-voltage connector
is disconnected, the high-voltage interlock circuit opens and disables
the high-voltage system.
• High-Voltage Service Disconnect — Whenever the high-voltage
service disconnect (located behind the rear seat back) is removed, the
high-voltage system is disabled. For additional information, refer to
Page 11 in this manual.
• Thermal Sensors — In the event the battery is exposed to 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. In some instances, if the ignition key
is left in the “ON” position, this could cause the high-voltage battery
temperature to exceed 60°C (140°F); if this temperature is reached, the
thermal sensors located near the high-voltage battery will automatically
disable the high-voltage battery.
• Ignition Key/Button in the OFF Position — Any time the ignition is in
the OFF position, the high-voltage system is disabled.
NOTE: If the vehicle is equipped with remote start, high-voltage may be
present in the system if the ignition is off.
NOTE: ENERGI vehicles, when plugged in for charging may have high-
voltage present in the system if the ignition is off.
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