change time FORD KUGA 2011 1.G Owner's Guide

Description
Item
CKP sensor
1
Tooth pitch
2
Flywheel ring gear
3
Reference mark
4
Voltage (sinusoidal-like signal curve)
5Description
Item
60-2 pulses per revolution of the
crankshaft
6
Tooth center
7
Reference mark
8
Tooth pitch
9
The acceleration of the flywheel at each power
stroke results in a change in the CKP signal.
During the power stroke, the combustion pressure
acting on the piston causes an acceleration of the
crankshaft and thus also of the flywheel. This is
apparent in the voltage curve from slightly higher
frequencies and amplitudes of the CKP signal.
Calculation of the ignition angle
Since propagation of the flame front in the air/fuel
mixture always takes the same amount of time, the
ignition of the air/fuel mixture has to take place
earlier or later depending on the engine speed.
The higher the speed, the earlier ignition must
occur. This ensures that maximum combustion
pressure is achieved immediately after Top Dead
Center and that maximum combustion pressure
acts on the piston.
When starting the engine, ignition timing is
determined by the CMP purely from the ignition
map and information on camshaft position (CKP
sensors) and crankshaft position (PCM sensor).
As soon as the engine is running, the following
data are used as a basis for calculating the ignition
angle:
• the engine speed,
• the engine load,
• the coolant temperature and
• the KS signal.
The ignition angle has a major impact on engine
operation. It affects
• engine performance
• exhaust emissions
• fuel consumption,
• combustion knock behavior and
• engine temperature.
The higher the engine load, i.e. the torque demand,
the richer the air/fuel mixture, the longer the
combustion period and the earlier the ignition. The PCM calculates engine load using the MAF
sensor signal, the throttle position and engine
speed. This is done using ignition maps that are
stored in the PCM. The ignition timing is adjusted
according to the operating condition of the engine,
for cold starting for example.
Ignition map
2
E96319
1
3
Description
Item
Engine load.
1
Engine speed
2
Ignition angle
3
The ignition maps were calculated in a series of
tests. Particular attention is paid to the emission
behaviour, power and fuel consumption of the
engine. The ignition map is stored in the data
memory of the PCM.
By adjusting the ignition timing it is also possible
to influence the engine speed to some extent
without having to change the throttle valve position.
This has advantages for idling stabilization, as the
engine speed and hence the engine torque respond
far more quickly to a change in the ignition timing
G1021908en2008.50 Kuga8/2011
303-14- 19
Electronic Engine Controls— 2.5L Duratec (147kW/200PS) - VI5303-14-
19
DESCRIPTION AND OPERATION
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Calculation of valve timing adjustment
angle
The 2.5L Duratec (VI5) engine has two camshaft
adjustment units which work independently of each
other.
One camshaft adjustment solenoid is installed for
each intake camshaft and exhaust camshaft.
This allows the PCM to continuously adjust the
intake and exhaust-side camshaft adjustments
independently of one another. The timing is
adjusted by the PCM using curves; adjustment is
primarily done as a function of engine load and
engine speed.
In this way the engine performance is increased
and internal exhaust gas recirculation is realized.
The advantages of camshaft adjustment are as
follows:
• Higher torque and improved torquecharacteristics
• Reduced fuel consumption
• Improved emissions performance
The camshaft adjustment solenoids are actuated
by the PWM by means of a PCM signal.
Continuous adjustment of the camshafts by the
PCM is achieved by means of the camshaft
adjustment solenoids, the camshaft adjustment
units and two CMP sensors. A defined quantity of
engine is oil is supplied to or drained from the
adjustment units via the camshaft adjustment
solenoids. The existing EOP (engine oil pressure)
is taken into account in the process. In this way
the valve timings are adjusted according to the
operating condition of the engine. The camshaft
adjusters work according to the vane-cell principle.
On starting the engine, both camshafts are
mechanically locked in their starting positions. The
intake camshaft is in the maximum late position
and the exhaust camshaft in the maximum early
position.
Control is divided into four main areas:
• Low engine speed and low load
• Partial load
• Low engine speed and high load
• High engine speed and high load
At low engine speed and low load, the exhaust
valves open early and the intake valves open late.
The result is reduced fuel consumption and more
uniform idling. In the partial load range, the exhaust valves and
the intake valves open late. The late opening of
the exhaust valves results in a good utilization of
the expanding gases in the cylinder. Closing the
exhaust valves after Top Dead Center allows
internal exhaust gas recirculation through aspiration
of exhaust gases into the combustion chamber.
Moreover, the intake valves close after Bottom
Dead Centre, allowing the fresh air/fuel mixture
and exhaust gases to flow back into the intake
tract. The result is reduced fuel consumption and
low emissions.
At low engine speed and high engine load, the
exhaust valves open late and the intake valves
open early. Due to the resulting valve opening
overlap at Top Dead Centre, the pulsating gas
column within the combustion chamber is utilized
to achieve better charging of the combustion
chamber. The result is increased torque at lower
RPM.
At high engine speeds and high engine load, the
exhaust valves open early and the intake valves
close late. Because a rapid gas exchange must be
achieved at high engine speeds, the early opening
of the exhaust valves achieves better expulsion of
the exhaust gas and the late closing of the intake
valves improves cylinder charge efficiency.
Optimum power output is achieved.
Many other camshaft positions are possible in
addition to these settings.
In order to avoid a malfunction in the camshaft
adjustment units at excessively low ambient or
engine-oil temperatures, they are activated by the
PCM with a time delay via the camshaft adjustment
solenoids. The PCM receives the information
required for this from the ECT sensor and the
outside air temperature sensor.
When idling and during deceleration, the camshaft
adjustment solenoids are activated repeatedly by
the PCM in order to remove any dirt which may be
on the bore holes and ring grooves.
Boost pressure control
Optimum regulation is achieved by means of an
electronically-controlled solenoid valve, the boost
control solenoid valve.
Refer to:
Turbocharger (303-04 Fuel Charging and
Controls - Turbocharger - 2.5L Duratec
(147kW/200PS) - VI5, Description and
Operation).
G1021908en2008.50 Kuga8/2011
303-14- 23
Electronic Engine Controls— 2.5L Duratec (147kW/200PS) - VI5303-14-
23
DESCRIPTION AND OPERATION
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E77584
NOTE:Due to static charging, measurements
inside the transaxle using a multimeter are
prohibited.
Stored DTCs in the engine management system
may affect transmission control. As a result, faults
in the transmission control system and engine
management system must be rectified in
accordance with the symptom-based diagnosis in
FordEtis IDS.
Applications of IDS Standard include:
• Resetting the counter for fluid change intervals.
• Programming the selector lever position 'N'.
• Resetting the values learned by the TCM.
Resetting the counter for fluid change
intervals.
This function must be performed if the transmission
fluid has been changed or a new automatic
transaxle has been installed with the previous TCM.
This function resets the values stored for the
pollution level of the transmission fluid.
Programming the 'N' position of the TR
sensor
This function must be executed if
• the TCM with integrated TR sensor is renewed,
• a new automatic transaxle is installed with the previous TCM.
• the selector lever cable or the selector mechanism assembly is renewed
• TR have been set due to a fault in the selector lever assembly or in the DTC (diagnostic trouble
code) sensor.
The TCM learns and stores the voltage value in
the 'N' position when this function is executed.
Resetting the values learned by the TCM
This function must be executed if
• a new automatic transaxle is installed with the previous TCM.
• a component of the automatic transaxle has been renewed.
G1163604en2008.50 Kuga8/2011
307-01- 19
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 19
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E112322
The TCM adapts the gear changing to ensure that
the correct gear is selected for the style of driving,
the engine load, driver requirements, vehicle speed
etc. This leads to lower fuel consumption together
with improved comfort through smoother gear
changes and lower noise levels.
The TCM receives information on the driver's
desired transmission range and type of driving
mode. In contrast to a transmission which is only
controlled hydraulically, the control module can
calculate the best times to shift gear and activate
torque converter lockup by using the signals from
the sensors in the transmission and the engine
management system.
The control module enables small changes in the
operating conditions to be made and adapts thevarious transmission functions to ensure that the
correct gear is always selected in relation to the
type of driving mode.
The TCM has adaptive capabilities. This ensures
smooth gear changes throughout the whole service
life of the transmission.
To exactly determine the activation points of the
gear shifts and torque converter lockup on the
basis of the type of driving mode chosen, the TCM
receives the following information:
• Transmission range chosen (TR sensor).
• Type of driving mode chosen
(normal/sport/select-shift).
• Transmission input shaft speed (TSS sensor).
• Transmission output shaft speed (OSS sensor).
• Transmission fluid temperature (TFT sensor).
• The engine speed and the torque as well as the throttle plate opening - from the PCM via the
CAN data bus.
• Actuation of the accelerator pedal - from the PCM via the CAN data bus.
• Coolant temperature - from the PCM via the CAN data bus.
• Vehicle speed - from the ABS via the CAN data bus.
• Actuation of the brake pedal - from the ABS via the CAN data bus.
Pin assignment for TCM connector 'A' (connection to vehicle)
11
E125669
Description
Item
Battery (+)
1
not assigned
2Description
Item
not assigned
3
not assigned
4
G1163605en2008.50 Kuga8/2011
307-01- 26
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 26
DESCRIPTION AND OPERATION
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21
22 20 19
15 14 13
161718 12
876
9
10
11 5
3
42121
22 20 19
15 14 13
161718 12
876
9
10
11 5
3
421
E125671
Description
Item
Shift solenoid valve S1 (+)
1
Shift solenoid valve (S2) (+)
2
PWM solenoid valve – main line pressure
(SLT) (+)
3
not assigned
4
not assigned
5
PWM solenoid valve – main pressure line
(SLT) (–)
6
PWM solendoid valve – TCC (SLU) (–)
7
not assigned
8
PWM solenoid valve – TCC (SLU) (+)
9
PWM solenoid valve – shift pressure (SLS)
(–)
10Description
Item
not assigned
11
not assigned
12
TFT sensor (–)
13
TFT sensor (+)
14
not assigned
15
PWM solenoid valve – shift pressure (SLS)
(+)
16
Shift solenoid valve (S3) (+)
17
not assigned
18
not assigned
19
not assigned
20
Shift solenoid valve (S5) (+)
21
Shift solenoid valve (S4) (+)
22
Operation
Depending on the input signals, the TCM mounted
on the transmission actuates the solenoid valves
in the valve body. The TCM calculates and stores
adaptive data, fault codes and values for diagnosis.
The TCM adapts the gear changing to ensure that
the correct gear is selected for the style of driving,
the engine load, driver requirements, vehicle speed
etc. This leads to lower fuel consumption together
with improved comfort through smoother gear
changes and lower noise levels.
The TCM receives information on the driver's
desired transmission range and type of driving
mode. In contrast to a transmission which is only controlled hydraulically, the control module can
calculate the best times to shift gear and activate
torque converter lockup by using the signals from
the sensors in the transmission and the engine
management system.
The control module enables small changes in the
operating conditions to be made and adapts the
various transmission functions to ensure that the
correct gear is always selected in relation to the
type of driving mode.
The TCM has adaptive capabilities. This ensures
smooth gear changes throughout the whole service
life of the transmission.
G1163605en2008.50 Kuga8/2011
307-01-
28
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 28
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Description
Item
ABS5
Cruise control
6
Select-shift switch module
7
PCM
8
Selector lever lock
9
PWM solenoid valve – shift pressure (SLS)
10
PWM solenoid valve for main line pressure
(SLT)
11
PWM- solenoid valve – TCC (SLU)
12Description
Item
Shift solenoid S1 (open when dormant)
13
Shift solenoid S2 (closed when dormant)
14
Shift solenoid S3 (closed when dormant)
15
Shift solenoid S4 (open when dormant)
16
Shift solenoid S5 (closed when dormant)
17
The TSS sensor
18
The OSS sensor
19
The TFT sensor
20
TR sensor in TCM
21
Input signals
Hard wired
• Item 18: ISS (input shaft speed) sensor
– Supplies information on the transmissioninput shaft speed. Used for calculations, for
instance the shift process, checking the
torque converter lockup and for diagnosis of
the hydraulic/mechanical operations in the
transmission.
• Item 19: OSS sensor – Supplies information on the transmissionoutput shaft speed. Used for calculations, for
instance the vehicle speed and for diagnosis
of the hydraulic/mechanical operations in the
transmission.
• Item 20: TFT sensor – Supplies information on the transmission fluidtemperature. This information is used to
adjust the shift times and the fluid pressure.
• Item 21: TR sensor – Supplies the TCM with the information on thechosen transmission range. Starting is only
possible when the selector lever is in the P
or N position. The sensor is a permanent
magnet which creates a magnetic field over
the different Hall sensors and in this way
creates a specific voltage for each shift
operation.
Via the LIN data bus
• Item 7: Selector lever module (select-shift module)
– Indicates that the selector lever is locked inposition P and supplies information on the
sport mode status. Also transmits a control
signal during select-shift gear changes and
supplies information on the fault status in the selector lever module, so that the fault codes
in the module can be stored as required.
Via the CAN data bus
• Item 4: PCM – Stop light switch ON/OFF, is used by theTCC.
– Coolant temperature, used for diagnosis of the transmission temperature sensor and for
activating the catalytic converter.
– Engine speed >400 rpm = engine running. Used for starting the transmission fluid
pressure and diagnosis functions.
– Engine rpm. Used for checking the torque converter slip and the pressure build-up,
which have an effect on the shift comfort.
– Kickdown. If the accelerator pedal is pressed down and the throttle plate is wide open, the
PCM transmits a kickdown signal to the TCM.
– Current engine speed, used to check the line pressure of the transmission.
– Throttle plate opening, used to calculate the gear changes. During sport mode and
kickdown.
– Accelerator pedal position, used to calculate the shift threshold timings.
• Item 5: ABS module – Supplies information on the vehicle speedand also on the difference in speed between
the left-hand and right-hand wheels. Prevents
changing up if the speed difference is greater
than 40 km/h, to protect the differential in the
transmission.
• Item 6: Vehicle speed control system – Is used to calculate the acceleration,depending on the position of the resume and
set buttons.
G1163605en2008.50 Kuga8/2011
307-01- 44
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 44
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Description
Item
PCM
8
Throttle body
Comments:Contains the TP (throttle position) sensor
9
The APP (accelerator pedal position)
sensor.
10Description
Item
CPP (clutch pedal position) switch
Comments:Vehicles with manual transaxle.
11
BPP (brake pedal position) switch
12
Reverse gear solenoid
Comments:Vehicles with manual transaxle.
13
System Operation
Speed Control
Cruise control is integrated into PCM and
intervenes in engine management to automatically
keep to the target speed selected by the driver.
When the system is active, the vehicle can be
accelerated or decelerated without the accelerator
pedal being pressed. Cruise control is operated
using the control switch units on the steering wheel.
The PCM controls the throttle to achieve this. The
ABS module supplies the VSS signal for this.
On vehicles with automatic transmission, the TCM
receives a notification via the CAN (controller area
network) bus that cruise control is active. The TCM
then controls the transmission based on special
engine maps.
Cruise control recognizes three operating modes:
• "OFF": Control is switched off.
• "STANDBY": Control is switched on but not
active. The speed of the vehicle is not regulated
by the cruise control.
• "ACTIVE": Control is switched on and active. Cruise control adjusts the vehicle speed to the
stored or desired target speed.
Every time the engine is started, cruise control is
in the "OFF" mode. In this mode, only the "ON"
button is operable.
Cruise control is initially set to "STANDBY" mode
when the "ON" button is pressed. The green cruise
control indicator lamp in the instrument cluster
lights up. There is no target speed saved.
Cruise control can only be set to "STANDBY" mode
under the following conditions:
• Engine speed is between idle speed and maximum permissible speed. Cruise control can only be changed into "ACTIVE"
mode under the following conditions:
• 2nd - 6th gear engaged.
• Engine speed between idle speed and maximum
permissible speed.
• Vehicle speed at least 40 km/h.
Pressing the "SET+" or "SET-" button activates
cruise control ("ACTIVE" mode). The green "Cruise
control" indicator lamp in the instrument cluster
lights up. The current vehicle speed is saved as
the target.
In "ACTIVE" mode the "OFF", "SET+", "SET-" and
"RES" buttons are active. If the "RES" button is
pressed again, control is suspended. The "RES"
button has a dual function and is used to resume
and suspend the cruise control.
Tapping the "SET+" button (for less than 640 ms)
increases the target speed by 1 km/h at a time.
Holding down the "SET+" button (for longer than
640 ms) increases the target speed until the button
is released. If the button is not released, cruise
control accelerates the vehicle up to the maximum
permissible vehicle speed (200 km/h) or up to the
vehicle's maximum speed (whichever speed is
lower). Tapping the "SET-" button (for less than
640 ms) reduces the target speed by 1 km/h at a
time. When the the "SET-" button is held down, the
control reduces the target speed until the button is
released. If the "SET-" button is held down until
the minimum speed of 40 km/h is reached, cruise
control switches to "STANDBY" mode.
Cruise control is put into "STANDBY" mode when
the "RES" button is pressed. Control to the stored
target speed can be started again by pressing the
"RES" button again. If the "SET+" or "SET-" button
is pressed while the "RES" function is being
performed (control to saved target speed), cruise
G1044191en2008.50 Kuga8/2011
310-03- 4
Speed Control
310-03- 4
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Climate Control – Overview
Pollen filter
E97258
The pollen filter must be changed at intervals in
accordance with the service schedule. A special
production pollen filter is installed in the factory,
and this must be cut through when the filter is
changed. The service pollen filter is flexible and
can be pushed together during installation or
removal.
Heat exchanger
E97249
The heat exchanger is accessible from the
right-hand side of the climate control housing (LHD
and RHD). It can be removed and installed with
the climate control housing still installed in the
vehicle. During removal, the coolant pipes of the
production heater core must be sawn through.
During servicing, a heater core with separate
coolant pipes is installed.
Evaporator assembly
E97250
The evaporator is located on the right-hand side
of the climate control housing (LHD and RHD). It
can only be removed and installed with the climate
control housing still installed in the vehicle, and the
heat exchanger must be removed at the same time.
Blower motor
CAUTION: Make sure that the blower motor
and fan assembly is placed on the bench
with the fan pointing upwards.
412-131
E101398
To prevent damage to the fan wheel vanes, the
fan wheel must not be touched. For this reason, a
special tool (412-131) has been introduced for
removal and installation of the blower motor. This
tool is pushed onto the central shaft in order to lift
out the blower motor.
G1034945en2008.50 Kuga8/2011
412-01-10
Climate Control
412-01- 10
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