2011 FORD KUGA ALL

Full lock-up mode of the TCC is not generated at
engine temperatures below 20 °C (68 °F).
Slip lock-up mode
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 automatic transaxle
temperature increases in slip lock-up mode.
The TSS sensor
E112328
The TSS sensor is mounted at the top of the
transmission housing. It is an active sensor and is
supplied with 12 V.
Function
E89083
3
2
1
Description
Item
Signal voltage
1
Signal frequency
2
Transmission input shaft speed
3
The TSS sensor is a Hall sensor. It generates a
square-wave signal, the frequency of which varies
depending upon the speed of the transmission
input shaft.
The frequency of the square-wave signal increases
with the transmission input shaft speed. The TSS
sensor picks up the speed at the housing of the
1st - 5th gear clutch (C1).
The TCM uses the information from the TSS sensor
to determine the following parameters:
• Calculation of the torque reduction that needs to be requested by the PCM during shifting.
• Comparison of engine speed with transmission input shaft speed for calculation of torque
converter slip.
• Calculation of the shift points.
• Calculation of the engaging and disengaging point for the TCC (lock-up function).
• Calculation of the current gear ratios by comparison of the OSS sensor signal.
G1163605en2008.50 Kuga8/2011
307-01- 56
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 56
DESCRIPTION AND OPERATION
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Consequences of signal failure
E125799
34
2
1
Description
Item
The TSS sensor
1
TCM connector 'B'
2
• Emergency mode 1
• Torque limitation is activated in order to protect the transaxle components from damage.
• The engine speed serves as a substitute value.
• 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.
The OSS sensor
E112329
The OSS sensor is located at the rear of the
transmission casing. It supplies signals about the
transaxle output speed to the TCM.
Function
E89083
3
2
1
Description
Item
Signal voltage
1
Signal frequency
2
Transmission input shaft speed
3
The OSS sensor is a Hall sensor. The OSS sensor
generates a square-wave signal, the frequency of
which varies depending upon the speed of the
G1163605en2008.50 Kuga8/2011
307-01- 57
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 57
DESCRIPTION AND OPERATION
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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
307-01- 59
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 59
DESCRIPTION AND OPERATION
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The TR sensor
E125819
The TR sensor and the TCM form one unit. This
unit is located at the top of the transmission casing,
on the gear linkage.
Function
The TR sensor has three separate functions:
• Transmit a signal to the TCM about the selectedtransmission range.
• To transmit the signal to switch on the reversing lamps to the GEM when the selector lever is in
the 'R' position.
• To transmit the start enable signal to the PCM when the selector lever is in the 'P' or 'N'
position.
The TR sensor contains a permanent magnet and
a linear Hall detector. It produces a signal voltage
between 0 and 5 V. This signal voltage
corresponds to the selector lever position currently
chosen.
Voltage values for the different gears:
• P approximately 0.65 V
• R approximately 1.64 V
• N approximately 2.12 V
• D approximately 2.49 V
Consequences of signal failure
If the TR sensor fails, the MIL is activated and the
vehicle can be driven in emergency mode 4. The
vehicle can no longer be started for safety reasons
after the ignition is switched off because the TCM
does not detect the current transmission range.
If a shift solenoid valve fails, the MIL is activated
and the vehicle can be driven in the appropriate
emergency mode.
G1163605en2008.50 Kuga8/2011
307-01- 60
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 60
DESCRIPTION AND OPERATION
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24. CAUTION: Make sure that all openingsare sealed.
E114759
25.
E114760
26. CAUTION: Take extra care not todamage the seal.
Use a suitable clear plastic tube.
General Equipment: Fluid Container
E114761
27.Material: Automatic Transmission Oil E-AW
(WSS-M2C924-A / 4U7J-M2C924-AA)
transmission fluid
E114762
2l
28. N O T E : Make sure that the selector lever and
the gearshift mechanism are in the park (P)
position.
29. Start and run the engine at idle.
30. Switch off the engine, if bubbles are visible in
the clear plastic tube.
E114807
G1163607en2008.50 Kuga8/2011
307-01- 64
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 64
GENERAL PROCEDURES
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Halfshaft Seal LH
Special Tool(s)303-293
Remover, Crankshaft Seal
21143
Special Tool(s)308-203
Installer, Differential Double
Lip Seal
16066
Removal
1.Refer to: Health and Safety Precautions (100-00
General Information, Description and
Operation).
2. Refer to: Front Halfshaft LH (205-04 Front Drive
Halfshafts, Removal and Installation).
3. Special Tool(s): 303-293
303-293303-293
E114366
Installation
1.Special Tool(s): 308-203
308-203308-203
E114367
2.Refer to: Front Halfshaft LH (205-04 Front Drive
Halfshafts, Removal and Installation).
3. Refer to: Transmission Fluid Level Check
(307-01 Automatic Transmission/Transaxle -
Vehicles With: 5-Speed Automatic Transaxle
- AW55 AWD, General Procedures).
G1163610en2008.50 Kuga8/2011
307-01- 67
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 67
REMOVAL AND INSTALLATION
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Halfshaft Seal RH
Special Tool(s) / General Equipment308-784
Installer, Halfshaft Seal
E115803
Special Tool(s) / General EquipmentFlat-bladed screwdriver
Removal
1. Refer to: Health and Safety Precautions (100-00
General Information, Description and
Operation).
2. Refer to: Transfer Case (307-07 Transfer Case
- Vehicles With: 5-Speed Automatic Transaxle
- AW55 AWD/6-Speed Automatic Transaxle
- 6DCT450, Removal).
3. General Equipment: Flat-bladed screwdriver
E114368
Installation
1.Special Tool(s): 308-784
308-784308-784
E114369
2.Refer to: Transfer Case (307-07 Transfer Case
- Vehicles With: 5-Speed Automatic Transaxle
- AW55 AWD/6-Speed Automatic Transaxle
- 6DCT450, Installation).
3. Refer to: Transfer Case Fluid Level Check
(307-07 Transfer Case - Vehicles With:
5-Speed Automatic Transaxle - AW55
AWD/6-Speed Automatic Transaxle -
6DCT450, General Procedures).
G1183024en2008.50 Kuga8/2011
307-01- 68
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 68
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Main Control Valve Body
Removal
1.Refer to: Transmission Fluid Pan (307-01
Automatic Transmission/Transaxle - Vehicles
With: 5-Speed Automatic Transaxle - AW55
AWD, Removal and Installation).
2. NOTE: Note the position of the electrical
connectors.
E115690
3. CAUTION: Make sure that no component falls off during removal.
NOTE: Note the different lengths of the bolts.
E115691
x2
4.
E115692
G1163642en2008.50 Kuga8/2011
307-01- 69
Automatic Transmission/Transaxle
— Vehicles With:
5-Speed Automatic Transaxle - AW55 AWD
307-01- 69
REMOVAL AND INSTALLATION
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