HIGH-VOLTAGE ELECTRICAL AND FUEL DISCONNECT FEATURES
The following list describes certain features that have been incorporated into the
Hybrid vehicles that allow for either simple or automatic shutoff of the high-
voltage electrical and fuel systems.
• Inertia Switch – Fuel Pump Shut-Off — The fuel pump shut-off inertia
switch is normally closed to allow vehicle operation. In the event of a
collision or a substantial physical jolt, the switch is designed to open
automatically, shutting off electrical power to the fuel pump and the
high-voltage shut-off switch.
• Inertia Switch – High-Voltage Shut-Off — The high-voltage shut-off
switch is located behind the jack access panel in the cargo area on the
passenger side of the vehicle. In the event of a collision or a substantial
physical jolt, the switch is designed to open automatically, disabling the
high-voltage system.
• High-Voltage Fuse — In the event of a high-current 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.
• Ignition Key in OFF Position — Any time the ignition lock cylinder is in
the OFF position, the high-voltage system is disabled.
• High-Voltage Service Disconnect Switch — Whenever the high-voltage
service disconnect switch (located on top of the high-voltage battery in
the cargo area) is removed, the high-voltage system is disabled. For
additional information, refer to Page 9 in this manual.
• Thermal Sensors — In the event the ignition key is left in the ON
position, while the vehicle is parked and the high-voltage battery
temperature exceeds 60°C (140°F), thermal sensors located near the
high-voltage battery will automatically disconnect the high-voltage
battery
.
FCS-14265-09
5
2009 Escape Hybrid, Mariner Hybrid Emergency Response Guide, 07/2008
