2011 FORD KUGA automatic transmission fluid

Output signals
Hard wired
• Item 8: PCM– Start inhibitor. Supplies the PCM with a signalthat indicates whether the engine can be
started or not.
• Item 9: Selector lever module (select-shift module)
– Controls the solenoid switch in the selectorlever unit.
• Position 10: PWM solenoid valve – shift pressure (SLS)
– Matches the line pressure to a shift pressureand is activated for certain gears.
• Position 11: PWM solenoid valve – main line pressure (SLT)
– Adjusts the linear line pressure for gearchanges without jolts.
• Position 12: PWM- solenoid valve – TCC (SLU) – Matches the line pressure to a torqueconverter lock-up pressure. Is also used for
certain gearshifts.
• Items 13 - 17: Shift solenoids S1 – S5 – The TCM checks which gear is engaged asthe solenoids become active in different
patterns.
Via the LIN data bus
• Item 7: Selector lever module (select-shift module)
– The TCM transmits a signal to the selectorlever module which activates the LED (light
emitting diode) in the selector mechanism
assembly according to the selector lever
position. Via the CAN data bus
• Item 2: GEM
– The selector lever module transmits a signalvia the TCM, which indicates that the selector
lever is locked in position P. The GEM uses
this information to control the ignition switch
key inhibit function.
– The TCM transmits a signal via the GEM to activate the back-up lamps.
• Item 3: Instrument Cluster – Current selector lever position. Used toindicate the selector lever position in the
instrument cluster.
– Check the warning lamps via the GEM. In the event of a fault, the general warning lamp
lights.
– Text messages in the instrument cluster via the GEM. The driver receives various
malfunction messages from the TCM.
– The TCM transmits signals on the CAN data bus to the PCM so that the MIL lights up in
the event of emissions-related faults.
• Item 4: PCM – Transmission fluid temperature, used tocompensate for increased loads at low fluid
temperatures.
– Gear selected, used by the engine so that it can compensate for different loads.
– Torque converter lockup, used by the engine so that it can compensate for different loads.
– Next gear planned by the TCM, used by the engine to compensate for different loads.
– Requirement for a reduced engine torque during gear shifts, the engine reduces the
engine torque during gear shifts.
– Torque limiting requirement, the engine limits the engine torque according to the gear
engaged.
• Item 5: ABS module – Current gear, used to transmit a signal, notfor shift control.
– Vehicle speed, used as reserve.
Control valve assembly
G1163605en2008.50 Kuga8/2011
307-01- 45
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 45
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PWM- solenoid valve – TCC (SLU)
E112325
Installation position
The PWM solenoid valve for the TCC (SLU) is
located in the valve body on the front of the
transaxle.
Function
00.2 1.0 0.80.60.4
0
0.2 1.0
0.80.60.4
0
0.2 1.0
0.80.60.40
0.2 1.0 0.80.60.4
E125965
1
2
Description
Item
Hydraulic pressure
1
Average current (A)
2
The valve actuates the torque converter clutch as
well as the reverse gear brake (B3) and 2nd - 5th
gear brake (B2). The PWM control achieves
smooth engagement of the gears. The two brakes
are actuated in 1st and 2nd gear to guarantee
engine braking.
The valve also actuates the torque converter in
such a way that is works in three positions: 'open',
'controlled looping (slip lock-up mode)', and 'locked
(full lock-up mode)'. The hydraulic function of the
valve is linear.
In lockup mode the TCC is closed. The impeller
and the turbine of the torque converter are friction
locked. The engine torque acts directly on the
transmission input shaft. Fuel consumption is
reduced due to a reduction in the torque converter
pump losses.
In slip lock-up mode, slip in the TCC is permitted
in order to improve driving comfort. The hydraulic
pressure acting on the TCM varies in accordance
with the duty signal of the actuation signal
generated by the PWM for the TCC solenoid valve
for the TCC (SLU). The temperature of the
transmission fluid increases in slip mode.
Consequences of signal failure
G1163605en2008.50 Kuga8/2011
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Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
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Overview of the select-shift switch module
E112331
The select-shift switch module is located on the
upper trim of the selector lever unit. The module
is supplied with power by the TCM.
It uses the LIN databus to interact with the TCM,
for instance to activate the selector lever position
display.
It allows the automatic transmission gears to be
changed up and down manually via the signals of
the Hall sensors.
The select-shift switch module detects the selector
lever position 'P' and 'S' via the integrated selector
lever position sensors (Hall sensors).
A cable leading from the TCM passes directly to
the select-shift switch module and is used to control
the solenoid of the selector lever lock. The
switching solenoid receives its voltage supply
directly from the module.
In the event of a fault, a signal is transmitted to the
TCM where all DTCs are stored.
Oil pump
E68097
1
2
3
45
Description
Item
Fluid pump rotor, outer
1
Fluid pump rotor, inner
2
G1163605en2008.50 Kuga8/2011
307-01- 54
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 54
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Description
Item
Drive
3
Intake side
4
Delivery side
5
The fluid pump operates on the principle of a
G-rotor fluid pump.
The fluid pump draws transmission fluid from the
fluid pan, builds up fluid pressure and then supplies
it to the valve body.
The fluid pump is driven by the crankshaft via the
torque converter housing.
Torque converter with TCC
E66428E66428
1
2
3
5
4
Description
Item
Torque converter housing and impeller
1
Turbine
2
TCC3
Transaxle input shaft
4
Stator with roller-type one-way clutch
5 The torque converter transmits the output torque
hydraulically from the engine to the transaxle input
shaft.
The stator increases the torque up to the clutch
take-up point. At the clutch take-up point, the speed
difference between impeller and turbine is
approximately 90 %.
In order to improve the efficiency, the torque
converter features a hydraulically-activated TCC.
When the TCC is engaged, the torque is
transmitted directly from the crankshaft via the
torque converter housing to the transaxle input
shaft.
Installation position
The TCC is an integral component of the torque
converter.
Function
The TCM controls the PWM via the TCC solenoid
valve for the TCC (SLU). Based on the signals for
engine speed and accelerator pedal position as
well as vehicle speed, driving comfort is improved
by linear actuation of the TCC.
E89081
1
A
B
23
Description
Item
APP (accelerator pedal position)
A
Vehicle speed
B
TCC disengaged
1
Slip lock-up mode
2
Full lock-up mode
3
Full lock-up mode
In lockup mode the TCC is closed. The impeller
and the turbine of the torque converter are friction
locked. The engine torque acts directly on the
transmission input shaft. Fuel consumption is
reduced due to a reduction in the torque converter
pump losses.
G1163605en2008.50 Kuga8/2011
307-01- 55
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 55
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E89089
10000100
50 0 150
1
2
Description
Item
Resistance (Ohms)
1
Temperature (°C)
2
The sensor is an NTC (negative temperature
coefficient) (negative temperature coefficient)
sensor. The voltage supply is 5 V. The transmission
fluid temperature is detected by measuring the
voltage drop across the NTC resistor.
The TCM uses the transmission fluid temperature
information for the following calculations:
• Transaxle shift points
• If the transmission fluid temperatures are too high, slip lock-up of the TCC is prevented.
Consequences of signal failure
88
E125803
1
2
Description
Item
The TFT sensor
1
TCM connector 'C'
2
• No activation of TCC slip lock-up mode.
• No activation of TCC full lock-up mode.
• The MIL is activated.
• When the engine is restarted (ignition switched off for approx. 15 seconds), the transaxle is no
longer in limp home mode. There is no longer
a fault indication on the instrument cluster, and
the MIL is off. However, the fault remains stored
in the TCM. If the fault is still present, limp home
mode is reactivated.
• If the sensor fails, a temperature substitute value of 30 °C (86 °F) is initially assumed. After 15
minutes driving, the substitute value is raised
t o 111 ° C .
G1163605en2008.50 Kuga8/2011
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Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
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Transmission Fluid Level Check
General EquipmentFord Diagnostic Equipment
Materials
Specification
Name
WSS-M2C924-A / 4U7J-
M2C924-AA
Automatic Transmission
Oil E-AW
Inspection
1.
Refer to: Health and Safety Precautions (100-00
General Information, Description and
Operation).
2. Connect the Ford diagnostic equipment.
General Equipment: Ford Diagnostic Equipment
3. Make sure that the transmission is not in
emergency operation mode.
4. Make sure that the transmission fluid
temperature is between 70° and 80°C.
General Equipment: Ford Diagnostic Equipment
80
70
E114667
5. WARNING: Make sure that the brake pedal and parking brake are fully applied
during the test.
Start and run the engine at idle. 6.
E114668
7. NOTE:
Make sure that the selector lever and
the gearshift mechanism are in the park (P)
position.
8. Refer to: Lifting(100-02 Jacking and Lifting,
Description and Operation).
9.
E98183
G1163606en2008.50 Kuga8/2011
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Automatic Transmission/Transaxle
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10.
E114670
11. CAUTION: Use lint free cloth.
E114671
80
70
12. Adjust the fluid level in the automatic
transmission if necessary.
Material: Automatic Transmission Oil E-AW
(WSS-M2C924-A / 4U7J-M2C924-AA)
transmission fluid
E114672
13.
E114938
14.
E98183
15. Switch off the engine.
16. Disconnect the Ford diagnostic equipment.
General Equipment: Ford Diagnostic Equipment
G1163606en2008.50 Kuga8/2011
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Automatic Transmission/Transaxle
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5-Speed Automatic Transaxle - AW55 AWD
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Transmission Fluid Drain and Refill
General EquipmentFluid Container
Materials
Specification
Name
WSS-M2C924-A / 4U7J-
M2C924-AA
Automatic Transmission
Oil E-AW
Draining
17.
Refer to: Health and Safety Precautions (100-00
General Information, Description and
Operation).
18. Refer to: Lifting(100-02 Jacking and Lifting,
Description and Operation).
19.
E98183
20. WARNING: Be prepared to collect escaping fluid.
General Equipment: Fluid Container
E114758
21.Torque: 40Nm
E114758
Filling
22.
E114670
23.Use a suitable plastic tube.
E114933
G1163607en2008.50 Kuga8/2011
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Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 63
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