FORD KUGA 2011 1.G Workshop Manual

select-shift switch module transmits a downshift
signal to the TCM.
If you move the gear selector lever backwards (+),
an upshift signal is transmitted to the TCM. In the
instrument cluster, the symbol when the selector
lever is in the 'S' position changes from 'D' to the
current gear, for example 3.
The TCM transmits a signal to the select-shift
switch module to switch on the light emitting diode
for 'S' and to switch off all other light emitting
diodes. The TCM decides whether the shift process
is possible.
If the shift process is permitted, then the various
valves are activated according to the intended
combination for each gear.
In certain situations however, the TCM determines
the gear shifting. The following applies:
• If the vehicle is stationary, only 1st, 2nd and 3rdgears can be selected. 4th gear can be selected
at speeds over 30 km/h and 5th gear at speeds
over 40 km/h.
• The kickdown function is only available in the automatic transmission range 'D'
• Automatic gear changes into the next higher or next lower gear occur at fixed vehicle speeds
and fixed engine speeds
• The permitted engine speed for manual change down agree with that for the kickdown change
up, i.e. an engine speed of approximately 6000
rpm.
• If the temperature inside the transmission rises too high, the TCM takes control of the shift
decisions in order to select a gear in which
activation of torque converter lockup at the
current speed is possible
• Torque converter lockup is possible in 3rd, 4th and 5th gear. (1st and 2nd gears do not have
torque converter lockup)
The signal that specifies the position of the lever
to the select-shift switch module is generated as
follows in the selector lever position 'S': there is a
Hall sensor at the printed circuit board for the
module for each of the three selector lever
positions. A permanent magnet on the cover in the
selector lever affects the output signals to the
control module from the sensors. The control
module recognizes the position of the lever by the
differences in the signal properties.Selector lever from 'N' to 'R' position
The TCM only permits shifting to reverse gear if
the vehicle speed is less than 4.35 mph.
If the vehicle speed is greater than 7 km/h (approx.
4.35 mph), the clutch (C2) and the multi-plate brake
(B3) are not activated and the gearshift is thus
prevented.
Self-test and Diagnosis
The TCM monitors all the transaxle sensors and
electronic components including the PCM. If a fault
occurs, the driver is informed via a warning
indicator and a text message in the instrument
cluster. Faults are stored as DTCs in the fault
memory of the TCM and can be read out and
cleared using the IDS.
Temperature controlled torque converter
lockup
If heavy load and high ambient temperatures cause
an abnormal rise in the transmission temperature,
torque converter lockup is activated as often as
possible (temperature controlled lockup).
This reduces the slip and the heat developed in
the transmission. When the temperature drops
below +20 °C, torque converter lockup is not used.
Slip locking
When changing gear this function makes it possible
for the gears to engage more smoothly with
reduced vibration and less noise. In this mode, the
torque converter clutch is activated but not fully
locked.
The following conditions must be met for the
function to activate:
• Gear selector lever in position D or S.
• Gear 3, 4 or 5.
• The transmission input speed is 1100 rpm or more and the throttle plate opening 20 - 35%.
• The transmission fluid temperature is 40 - 120 °C.
Hill climbing
The TCM can change the shift pattern slightly when
driving uphill to avoid changing gear too often.
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The TCM detects uphill driving by comparing the
engine load transmitted by the PCM with the engine
speed. If the engine load increases and the engine
speed falls, then the TCM causes the transaxle to
shift to a lower transmission range in order to
increase the traction force.
Downhill driving
The TCM detects downhill driving by comparing
the engine load and engine speed values
transmitted by the PCM with the OSS sensor
signal. In order to prevent overloading of the
vehicle brakes, the TCM causes the transaxle to
shift to a lower transmission range.
Hill-hold function
If the vehicle is stopped on an uphill incline, the
TCM detects this through the faster drop in engine
speed compared with the drop in engine speed
when stopping on the flat. In this situation, the
hydraulics are actuated by the TCM in such a way
that the vehicle is prevented from rolling back. This
function is not used on steep inclines.
If the vehicle is parked on an uphill incline (ignition
switched off), the hill-hold function is not active
when pulling away.
Altitude correction
Lower air density results in reduced engine
performance. In order to compensate for this
operating situation, the TCM changes the shift
points.
Selector lever lock
To prevent the selector lever being accidentally
moved from the P or N position, the vehicle also
has an electrically operated selector lever lock.
This blocks the locking pin in the locking segment
and thus locks the selector lever in the P or N
position.
Shifting from P into another transmission
range
To be able to move the selector lever from P into
another transmission range, the ignition must be
switched on and the brake pedal must be
depressed (stop light switch on). The TCM detects
the position of the brake pedal via the CAN data
bus and the engaged transmission range from the
TR sensor.
The signal is then transferred from the TCM to the
select-shift switch module in order to activate the
solenoid valve in the selector mechanism
assembly.
In position P, the solenoid valve is activated and
the locking pin is pulled in so that the lock button
on the selector lever can be pressed as usual to
engage another transmission range.
In the selector mechanism assembly there is a Hall
sensor which is affected by a permanent magnet
on the gate of the selector mechanism assembly.
If the selector lever is moved from the P position,
both the Hall sensor and the selector lever lock
solenoid are simultaneously deactivated, to prevent
the selector from being kept in the N position.
If the ignition is set to "I" or "0" the solenoid valve
is deactivated. When the selector lever is in the P
position, it is mechanically locked because it has
no voltage.
Shifting from N into another transmission
range
The conditions are the same as for shifting from P
into another transmission range.
However, the lock button on the selector lever must
be pressed to be able to select R or P.
Power flow through the transmission
Clutches and brakes
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E127357
1234
5
12
13
Description
Item
5th gear and reverse gear clutch (C2)
1
1st - 5th gear clutch (C1)
2
Reverse gear brake (B3)
3
1st gear one-way clutch (F2)
4
2nd - 5th gear brake (B2)
5
2nd - 4th gear brake (B1)
6
2nd - 4th gear one-way clutch (F1)
7Description
Item
Parking lock
8
4th and 5th gear clutch (C3)
9
3rd gear brake (B4) (band brake)
10
1st and 2nd gear and reverse gear brake
(B5)
11
Output shaft – transaxle
12
Input shaft – transaxle
13
The transaxle features three clutches, five brakes,
and two one-way clutches.
The clutches are designed as multi-plate clutches.
There are four multi-plate brakes (B1, B2, B3, B5)
and one band brake (B4).
Tasks of clutches and brakes
• 1st-5th gear clutch (C1) : Connects the input
side with the ring gear.
• 5th gear and reverse clutch (C2) : Connects
the input side with the sun gear.
• 4th and 5th gear clutch (C3) : Connects the
sun gear with the front planetary gear carriers
on the output side. •
2nd-4th gear brake (B1) : Locks the sun gear
on the input side.
• 2nd-5th gear brake (B2) : Locks the rotational
movement of the sun gear on the input side in
a counterclockwise direction.
• Reverse gear brake (B3) and 1st gear brake
in select-shift mode : Locks the ring gear on
the input side.
• 3rd gear brake (B4) (band brake) : Locks the
two sun gears on the output side.
• 1st and 2nd gear and reverse gear brake
(B5) : Locks the rear planetary gear carriers on
the output side.
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•2nd-4th one-way clutch (F1) : Locks the
rotational movement of the sun gear on the input
side in a counterclockwise direction, if 2nd-5th
gear brake (B2) is applied. •
1st gear one-way clutch (F2) : Locks the
rotational movement of the ring gear on the input
side in a counterclockwise direction.
Function of the clutches and brakes in the gears and when shifting gears in automatic mode and
select-shift mode (manual shifting)
F2
F1
B5
B4
B3
B2
B1
C3
C2
C1
Gear
––
0
–––––––
Park
––
0
–0–––0–R
(V<=7)
––
0
–––––––R
(V>7)
––
0
–––––––N
0–
0
–
–*
––––01
0/–
–/0
0
––
–/0
–/0
––01<=>2
–0
0
––00––02
–0
0/–
–/0
–00––02<=>3
–0
–
0–00––03
–0
–
0/–
–00
–/0
–03<=>4
–0
–
––000–04
–
0/–
–
––0
0/–
0
–/0
04<=>5
––
–
––0–0005
• V= Road speed in km/h
• 0= Actuated
• –= Not actuated
• x<=>x = Gear change "up/down"
• *= Actuated in select-shift mode
Position P (park)
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E125574
12
Description
Item
1st and 2nd gear and reverse gear brake
(B5)
1
Parking lock
2
The transmission input shaft rotates in the
clockwise direction. All clutches and brakes are
deactivated and no force is transferred to the
planetary gear sets.
No force is transferred to the output shaft. The
brake B5 (1) locks the rear planetary gear carrier on the output side. The parking lock (2) engages
in the output shaft and stops the vehicle rolling
away.
Position N (neutral)
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E125575
1
2
Description
Item
Parking lock
1
1st and 2nd gear and reverse gear brake
(B5)
2
The transmission input shaft rotates in the
clockwise direction. All clutches and brakes on the
input side are deactivated and no power is
transmitted to the planetary gear sets.
No force is transferred to the output shaft. The
brake B5 (2) locks the rear planetary gear carrier
on the output side. The parking lock (1) is not
activated. Since the transaxle input shaft is not
positively connected with the input side, the vehicle
will start to roll away if it is on an incline. The brake B5 is activated both in 'P' and in 'N'
position to reduce the cut-in pressure that
otherwise occurs if several brakes and clutches
are activated simultaneously when the selector
lever is moved to 'D' or 'R' position. Since the brake
B5 is activated both in first and second as well as
in reverse gear, this method reduces the total
number of transient effects.
Position D, 1st gear
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E127358
21
3
Input shaft:
The transmission input shaft rotates in the
clockwise direction. Clutch C1 (1) joins the
transaxle input shaft with the ring gear, which
rotates in clockwise direction. The rear planetary
gear set rotates in the clockwise direction. The
front larger planetary gear set rotates clockwise
with the rear planetary gear set as a single unit.
The front smaller planetary gear set rotates in the
clockwise direction. The front annular gear rotates
counterclockwise. One-way clutch F2 (2) blocks
the front annular gear clockwise rotation.
The front and rear planetary gear carriers are
turned clockwise because of the reactive forces
from the small gear. The primary idler gear rotates
clockwise with the front and rear planetary gear
carriers as one unit.
Output shaft:
The secondary idler gear rotates counterclockwise.
The front annular gear rotates counterclockwise
with the secondary idler gear as a single unit.The front planetary gear set rotates in the clockwise
direction. The sun gear rotates clockwise.
The rear planetary gear set rotates
counterclockwise. Brake B5 (3) prevents rotation
of the rear planetary gear carrier. The rear annular
gear rotates counterclockwise. The front planetary
gear carrier and the final drive pinion rotate
counterclockwise with the rear annular gear as one
unit. The final drive rotates in the clockwise
direction.
Engine braking:
The 1st gear has no engine braking function
because the power flow is interrupted by the
one-way clutch F2 rotating against the locking
direction.
The brake B3 is additionally activated in select-shift
mode to guarantee engine braking.
Position D, 2nd gear
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E127359
1
2
3
4
5
Input shaft:
The transmission input shaft rotates in the
clockwise direction. The clutch C1 (1) joins the
transaxle input shaft and the ring gear. The ring
gear rotates in clockwise direction. The planetary
gear set rotates in clockwise direction.
The front larger planet gear rotates clockwise with
the rear planet gear as a single unit. Brakes B2
(2), brake B1 (3) and the one-way clutch F1 (4)
prevent rotation of the sun gear.
The front and rear planetary gear carriers are
turned clockwise by the front larger gear. The
primary idler gear rotates clockwise with the front
and rear planetary gear carriers as one unit.
Output shaft:
The secondary idler gear rotates counterclockwise.
The front annular gear rotates counterclockwisewith the secondary idler gear as a single unit. The
front planetary gear set rotates in the clockwise
direction.
The sun gear rotates clockwise. The rear planetary
gear set rotates counterclockwise. Brake B5 (5)
prevents rotation of the rear planetary gear carrier.
The rear annular gear rotates counterclockwise.
The front planetary gear carrier and the shaft drive
pinion rotate in counterclockwise direction with the
rear ring gear as one unit. The final drive rotates
in the clockwise direction.
Engine braking:
The power is transferred directly to the
transmission input shaft without one-way clutch
involvement. Engine braking is thus applied.
Position D, 3rd gear
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E127360
1
2
3
4
5
Input shaft:
The transmission input shaft rotates in the
clockwise direction. The clutch C1 (5) joins the
transaxle input shaft and the ring gear. The ring
gear rotates in clockwise direction. The rear
planetary gear set rotates in the clockwise
direction.
The front larger planet gear rotates clockwise with
the rear planet gear as a single unit. Brakes B2 (1)
and B1 (2) and also the one-way clutch F1 (3)
prevent rotation of the sun gear.
The front and rear planetary gear carriers are
turned clockwise because of the reactive forces
from the front larger gear. The primary idler gear
rotates clockwise with the front and rear planetary
gear carriers as one unit.
Output shaft:The secondary idler gear rotates counterclockwise.
The front annular gear rotates counterclockwise
with the secondary idler gear as a single unit. The
front planetary gear set rotates in counterclockwise
direction. The brake band B4 (4) locks the
rotational movement of the sun gear.
The front planetary gear carrier rotates in
counterclockwise direction. The front planetary
gear carrier and the shaft drive pinion rotate in
counterclockwise direction with the rear ring gear
as one unit. The final drive rotates in the clockwise
direction.
Engine braking:
The power is transferred directly to the
transmission input shaft without one-way clutch
involvement. Engine braking is thus applied.
Position D, 4th gear
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E127361
1
2
3
4
5
Input shaft:
The transmission input shaft rotates in the
clockwise direction. The clutch C1 (5) joins the
transaxle input shaft and the ring gear. The ring
gear rotates in clockwise direction. The rear
planetary gear set rotates in the clockwise
direction.
The front larger planet gear rotates clockwise with
the rear planet gear as a single unit. Brake B2 (1),
one-way clutch F1 (3) and brake B1 (2) prevent
rotation of the sun gear.
The front and rear planetary gear carriers are
turned clockwise because of the reactive forces
from the front larger gear. The primary idler gear
rotates clockwise with the front and rear planetary
gear carriers as one unit.
Output shaft:The secondary idler gear rotates clockwise. The
front annular gear rotates counterclockwise with
the secondary idler gear as a single unit. Clutch
C3 (4) connects the sun gear with the front
planetary gear carrier.
The front planetary gear set cannot rotate and the
output shaft rotates counterclockwise as a single
unit. The final drive rotates counterclockwise with
the output shaft as a single unit. The final drive
rotates in the clockwise direction.
Engine braking:
The power is transferred directly to the
transmission input shaft without one-way clutch
involvement. Engine braking is thus applied.
Position D, 5th gear
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