HCU to check for sudden actuation of the brakes.
With the brake pedal pressed, the ABS module
triggers emergency braking if the rate of increase
of hydraulic pressure exceeds the predetermined
limit.
If the brake pedal is pressed so hard that the ABS
becomes active on the front wheels then the ABS
control unit increases the pressure to the rear
wheel brakes up to the ABS intervention threshold.
EBA operation continues until the driver releases
the brake pedal sufficiently for the hydraulic
pressure in the HCU to drop below a threshold
value stored in the ABS module.
Trailer stability control:If the vehicle is ordered
with a trailer coupling then the Trailer Stability
Control function is integrated in the ESP. The ESP
detects snaking when driving with a trailer and
reduces the speed of the vehicle and trailer through
adapted braking and, if necessary, by also reducing
the engine output until the snaking movement of
the trailer is corrected.
Roll-over protection: The ESP dynamically
determines the tipping tendency of the vehicle and
works in conjunction with the EBA system to
prevent the vehicle from tipping over during
dynamic maneuvers like lane changing or while
negotiating bends.
Emergency brake light: The emergency brake
light automatically switches on the hazard flasher
system to warn drivers of other vehicles that
emergency braking is being initiated. Based on a
defined delay value, the ABS/ESP module sends
a signal to the generic electronic module (GEM)
via the CAN data bus. The GEM activates the
hazard flasher system, that then flashes 7 times.
Prerequisites for activation of the emergency brake
light are:
• The speed is higher than 50 km/h.
• The brake pedal is being actuated.
• The deceleration is greater than 9 m/s².
To prevent activation on snow or ice, for example,
the following prerequisites must be met:
• The speed is higher than 50 km/h.
• The brake pedal is being actuated.
• ABS regulation takes place.
• The deceleration is greater than 6 m/s².
Tire pressure monitoring system: The tire
pressure monitoring system used in the Kuga is
able to detect loss of air in a tire at an early stage
and warn the driver. Because it can only compare
the behaviour of the tyres with each other, it is not possible to draw conclusions about the absolute
tyre pressure. It is also not possible to monitor the
spare tyre pressure. In order for the system to
operate correctly, the tyre pressures must be
regularly checked and corrected and the system
subsequently initialised (see below).
The tire pressure monitoring system used here,
depending on the equipment level, is built into the
anti-lock braking system (ABS) as an extra function
and therefore does not have its own sensors.
The ABS module measures the loss of pressure
in the tyres by calculation using the wheel speed
sensors of the ABS system. If a tyre loses
pressure, its diameter decreases and the speed of
the wheel therefore increases. If the ABS module
detects such a loss in pressure, it sends a signal
to the instrument cluster via the CAN bus and a
warning message is displayed in the message
centre. The warning threshold depends among
other things on the dimension of the tyres being
used, the vehicle operating conditions and the
status at the last initialisation. Since neither the
absolute tyre pressure nor the position of the tyre
is known, the pressure of all the tyres must be
checked and the system re-initialised after a tyre
pressure warning. If necessary, the cause of the
loss of pressure must be investigated.
Regular tyre pressure checks are still necessary.
The system must be initialised after a tyre is
changed, winter or summer tyres fitted, the
pressures corrected or adjusted to suit the vehicle
load. This can be done by the driver using the
driver information system. For further information,
see: Owner’s Manual.
Component Description
Opto-electronic steering wheel rotation
sensor
E80158
G1001304en2008.50 Kuga8/2011
206-09B-
11
Anti-Lock Control - Stability Assist
206-09B- 11
DESCRIPTION AND OPERATION
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Engine Cooling — 2.5L Duratec (147kW/200PS) - VI5 –Component Location
E105244
1
2
3
4
5
6
Description
Item
Cooling fan motor
1
Thermostat housing
2
Coolant pump
3Description
Item
Auxiliary coolant pump
Comments:Vehicles equipped with a trailer coupling
or additional heating
4
Turbocharger coolant connections
5
Oil Cooler
6
G1088832en2008.50 Kuga8/2011
303-03- 2
Engine Cooling
303-03- 2
DESCRIPTION AND OPERATION
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Engine Cooling — 2.5L Duratec (147kW/200PS) - VI5 – Overview
Auxiliary coolant pump
An electrically operated auxiliary coolant pump is
installed on vehicles with a trailer coupling and/or
additional heating. The auxiliary coolant pump
ensures that the coolant is circulated when the
coolant pump (which is driven by the engine) is not
running.
The additional heating uses the auxiliary coolant
pump to circulate hot coolant through the heat
exchanger and the engine.
On vehicles with a trailer coupling the auxiliary
coolant pump is switched on for 6 minutes by the
PCM (powertrain control module) if the coolant
temperature exceeds 106°C when the engine is
switched off. This prevents the coolant circuit from
overheating. This could happen particularly if the
engine is switched off after towing a heavy trailer
up a steep hill before there has been sufficient time
for cooling.
G1088220en2008.50 Kuga8/2011
303-03-3
Engine Cooling
303-03- 3
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E126062
2
1
3
4
Description
Item
Fluid reservoir
1
Connection for return line from fluid cooler
2Description
Item
Connection for return line on transaxle
3
Hose
4
Under normal conditions, the transmission fluid is
filled for the service life of the transaxle and does
not need to be changed.
Under high loads (driving with a trailer or in
mountains etc.) it may be necessary to change the
transmission fluid.
To drain the transmission fluid, remove the fluid
drain plug.
Proceed as follows when topping off the
transmission fluid:
• Remove the return line from the fluid cooler to the transaxle on the transaxle. Close off the
connection on the transaxle using a plastic plug.
• Join the return line to a transparent pipe. The transparent pipe ends in the fluid reservoir in
order to collect the fluid.
• To top off the transmission fluid, insert a transparent pipe in the guide tube of the dipstick
and add approx. 2.0 liters of transmission fluid. • Move the selector lever to the 'P' position and
allow the engine to run at idle speed.
• Switch off the engine if air bubbles become visible in the transparent pipe to the fluid
reservoir.
• Top off approx. 2 liters of transmission fluid and allow the engine to run at idle speed. Switch off
the engine if air bubbles become visible in the
transparent pipe to the fluid reservoir.
• Top up the transmission fluid until the fluid level for cold fluid is indicated on the dipstick in the
middle between 'MIN' and 'MAX'.
• Then check the transmission fluid level.
Refer to the service literature for the exact
procedure and specifications.
NOTE: If the transmission fluid has been changed,
the counter for fluid change intervals must be reset
using IDS.
Diagnosis with IDS
G1163604en2008.50 Kuga8/2011
307-01- 18
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 18
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