2011 FORD KUGA wheel

ESP switch
E99006
Stability assist can be deactivated via the menu in
the instrument cluster. The stability assist functions
are deactivated when the Set switch is actuated.
The ABS control module makes the stability assist
functions available once more when the Set switch
is actuated again. The stability assist function is
automatically reactivated when the ignition is
switched on.
The electronic EBA is a constant function and will
remain active even if the ESP has been switched
off.
Combined yaw rate sensor and lateral
acceleration sensor / longitudinal
acceleration sensor
E96822
The heart of the combined yaw rate sensor and
lateral acceleration sensor/longitudinal acceleration
sensor is a small, double-sided tuning fork made
of a piezo crystal (A). The exciter side of this tuning
fork is set to a resonance of 11 kHz with the aid of
an alternating current. The measuring side of the
tuning fork features a resonance frequency of 11.33
kHz and therefore does not vibrate (B). Since,
under influence of an external accelerating force,
a vibrating mass reacts slower than a comparable
mass that is not vibrating, the tuning fork twists
within itself with rotational movement being
imparted on the sensor (C). This rotation results
in a change in the charge distribution in the Piezo
element, which is subsequently picked up and
converted into an electronic signal by electronics
integrated into the sensor. This electronic signal is
then sent to the ESP module. The ESP module
evaluates these data and takes into account the
other input data (vehicle speed, wheel speed)
before deciding whether the ESP function is
required.
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Anti-Lock Control - Stability Assist
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DESCRIPTION AND OPERATION
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E53340
1
2
3
Description
Item
Tuning fork exciter
1
Suspension
2
Measuring side
3
Due to the special way in which it works. the
combined yaw rate sensor and lateral acceleration
sensor/longitudinal acceleration sensor must be
installed the right way up in the designated location
specified by the manufacturer. Any slight deviation
in the installation position and/or installation
location could lead to impaired functionality and
thereby possible failure of the stability assist.
Front wheel sensor
E96823
Active sensors are used to determine the rotational
speeds of the wheels at the hub. After the ignition
is switched on, the ABS module supplies the
sensors with power. The sensors work in
accordance with the Hall effect principle and
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Anti-Lock Control - Stability Assist
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DESCRIPTION AND OPERATION
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generate a square wave output signal. The signal
acts in proportion to the rotational speed of the
sensor ring. The ABS sensor rings are built into
the seals in the front wheel bearings. The ABS
module evaluates the signals from all four sensors
to calculate a vehicle speed signal based on the
rotational speeds of all wheels. The road speed is
transmitted on the CAN bus. The powertrain controlmodule (PCM) uses this signal and the
programmed tire size to calculate the vehicle
speed. The calculated vehicle speed is forwarded
on the CAN bus and is requested by other control
units that need this input information.
Rear wheel sensor
E96824
The sensors are joined to the main wiring harness
using a separate connecting cable.
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Anti-Lock Control - Stability Assist
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DESCRIPTION AND OPERATION
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Front Wheel Speed Sensor
Removal
NOTE:Removal steps in this procedure may
contain installation details.
1. Refer to: Wheel and Tire (204-04 Wheels and
Tires, Removal and Installation).
2. Torque: 5
Nm
E71878
Installation
1.To install, reverse the removal procedure.
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Anti-Lock Control - Stability Assist
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REMOVAL AND INSTALLATION
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Rear Wheel Speed Sensor
Removal
NOTE:Removal steps in this procedure may
contain installation details.
4x2
1. Torque: 5Nm
E98809
4x4
2.Refer to: Wheel and Tire (204-04 Wheels and
Tires, Removal and Installation).
3. Torque: 5
Nm
E98810
All vehicles
4. NOTE: The O-ring seal is to be reused unless
damaged.
E98820
Installation
1. NOTE: Make sure that the sensor housing is
clean and free of foreign material.
NOTE: Make sure that the sensor ring is
correctly located.
To install, reverse the removal procedure.
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Anti-Lock Control - Stability Assist
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REMOVAL AND INSTALLATION
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Steering System
Special Tool(s) / General EquipmentAlignment Pins, Subframe
205-316 (15-097A)
15097
Simulator, Driver and
Passenger Air Bags and Side
Air Curtains
501-073 (40-016)
501073
The Ford approved diagnostic tool
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanicalor electrical damage.
Visual Inspection Chart
Electrical
Mechanical
• Battery
• Battery cables
• Steering anglesensor electrical
connector
• Power steering pump control
module electrical
connectors
• Power steering pump control
module ground
cable
• Power steering pump control
module ground
cable retaining
screw
• Steering angle sensor warning
indicator
• Fuse(s)
• Tire pressure(s)
• Loose tie-rod end(s)
• Loose strut and
spring assemblies or
ball joints
• Loose pinch bolts on steering column
shaft flexible coup-
ling
• Wheels and tires
• Power steering line fluid leaks
• Steering gear bellows 3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and refer to the diagnostic tab within
the Ford approved diagnostic tool.
Components Tests
Steering Linkage
1. Grasp the steering wheel firmly and move it upand down and to the left and right without
turning the steering wheel to check the steering
column bearing for wear, steering column shaft
for wear, steering wheel for looseness and
steering column for looseness. If the steering
column bearing or the steering column shaft is
worn install a new steering column. If the
steering wheel or the steering column is loose,
tighten the steering wheel or the steering column
retaining bolts.
2. With the road wheels in the straight ahead position, gently turn the steering wheel to the
left and the right to check for free play in the
steering linkage.
3. There should be no excessive free play at the steering wheel rim. If there is excessive free
play, CHECK the tie-rod inner and outer ball
joints, REFER to Tie-Rod Component Test in
this procedure. CHECK the steering column
universal joint, REFER to Steering Column
Universal Joint Component Test in this
procedure. If there is no free play in the tie-rod
and the steering column, install a new steering
gear.
Tie-Rod
CAUTION: Steering gear boots must be
handled carefully to avoid damage. Use
new steering boot clamps when installing
the steering gear boots.
NOTE: Noises such as knocks, which may appear
to originate from the steering linkage, may also be
generated by front suspension components.
REFER to: Noise, Vibration and Harshness (NVH)
(100-04 Noise, Vibration and Harshness,
Diagnosis and Testing).
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Steering System - General Information
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DIAGNOSIS AND TESTING
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1. Raise and support the vehicle. REFER to:(100-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
TIE0005728
2. Firmly grasp the road wheel and apply a rocking
motion checking for any free play in the wheel
bearing or suspension components.
3.
CAUTION: To prevent damage to the
steering linkage, turn the steering wheel to
move the steering linkage to the right-hand
steering lock stop.
Turn the steering wheel to position the steering
linkage against the right-hand steering lock stop.
TIE0005727
4. NOTE: To isolate the steering gear design clearance, check the right-hand steering
linkage with the steering held against the
right-hand steering lock stop.
With the aid of another technician holding the
steering linkage against the right-hand steering
lock stop, firmly grasp the road wheel and apply
a rocking motion checking for any free play in
the steering linkage.
TIE0005729
5. Detach the steering gear boot from the steering gear body and check for free play at the tie-rod
inner ball joint.
6. If there is free play at the tie-rod inner ball joint, install a new tie-rod.
REFER to: Tie Rod End (211-03 Steering
Linkage, Removal and Installation)
/ Tie Rod (211-03 Steering Linkage, Removal
and Installation).
7. Check the tie-rod end for free play. Install a new tie-rod end if necessary.
REFER to: Tie Rod End (211-03 Steering
Linkage, Removal and Installation)
/ Tie Rod (211-03 Steering Linkage, Removal
and Installation).
8.
CAUTION: To prevent damage to the
steering linkage, turn the steering wheel to
move the steering linkage to the left-hand
steering lock stop.
Turn the steering wheel to position the steering
linkage against the left-hand steering lock stop.
TIE0005727
9. NOTE: To isolate the steering gear design clearance, check the left-hand steering
linkage with the steering held against the
left-hand steering lock stop.
With the aid of another technician holding the
steering against the left-hand steering lock stop,
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firmly grasp the road wheel and apply a rocking
motion checking for any free play in the steering
linkage.
E56375
10. Detach the steering gear boot from the steeringgear body and check for free play at the tie-rod
inner ball joint.
11. If there is free play at the tie-rod inner ball joint, install a new tie-rod.
REFER to: Tie Rod(211-03 Steering Linkage,
Removal and Installation).
12. Check the tie-rod end for free play. Install a new tie-rod end if necessary.
REFER to: Tie Rod End (211-03 Steering
Linkage, Removal and Installation).
Turning Effort Test
NOTE: Before carrying out this test, make sure
that the suspension components are serviceable.
NOTE: Before carrying out this test, make sure
that the steering column is serviceable.
NOTE: Before carrying out this test, make sure
that the toe adjustment and tire pressures are
correct.
1. Park the vehicle on a dry, even surface and apply the parking brake.
2. Remove the driver air bag module.
REFER to: Driver Air Bag Module (501-20
Supplemental Restraint System, Removal and
Installation).
3. Connect the air bag simulators to the sub-harnesses in place of the driver air bag
module at the top of the steering column.
4. Start the engine and turn the steering wheel from lock to lock several times until the power
steering fluid has reached normal operating
temperature. 5. Using a suitable torque wrench and socket,
check the steering wheel turning effort.
6. If the steering wheel turning effort is greater than the specification, install a new steering gear.
Steering Column Universal Joint
1.WARNING: Install a new steering column
to steering gear pinion retaining bolt. Failure
to follow this instruction may result in
personal injury.
Detach the steering column from the steering
gear pinion.• Discard the steering column to steering gear pinion retaining bolt.
TIE45919
1
2
2
2. Check for smooth movement of the steeringcolumn universal joint.
1. Hold the steering column universal joint yoke.
2. Articulate the free yoke in a figure of eight movement.
• If the movement is not smooth or resistance is felt, install a new steering column.
REFER to: Steering Column (211-04 Steering
Column, Removal and Installation).
TIE45918
3. Hold both of the steering column universal joint yokes and twist them clockwise and
counterclockwise.
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Steering System - General Information
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