FORD KUGA 2011 1.G Workshop Manual
Manufacturer: FORD, Model Year: 2011, Model line: KUGA, Model: FORD KUGA 2011 1.GPages: 2057
Page 451 of 2057
SECTION 419-10 Multifunction Electronic Modules
VEHICLE APPLICATION:
2008.50 Kuga
PAGE
CONTENTS
DESCRIPTION AND OPERATION
419-10-2
Module Controlled Functions (Overview)...........................................................................
419-10-2
Generic electronics module (GEM)....................................................................................
419-10-2
Emergency function............................................................................................................
419-10-2
Service mode......................................................................................................................
419-10-4
Module Controlled Functions (System Operation and Component Description)................
419-10-4
System Diagram.................................................................................................................
419-10-6
System Operation...............................................................................................................
419-10-6
GEM. ...............................................................................................................................
419-10-6
Component Description......................................................................................................
419-10-6
Battery charging (Smart Charge)....................................................................................
419-10-7
Ignition overload protection.............................................................................................
419-10-7
Headlamp switch-off delay..............................................................................................
419-10-8
Turn signals....................................................................................................................
419-10-8
Interior lighting................................................................................................................
419-10-8
Heated windscreen.........................................................................................................
419-10-9
Heated rear window and heated external mirrors...........................................................
419-10-9
Ambient air temperature.................................................................................................
419-10-9
Brake fluid level...............................................................................................................
419-10-9
Automatic headlamps.....................................................................................................
419-10-9
Combined rain sensor/light sensor.................................................................................419-10-10Windshield wash/wipe system........................................................................................
419-10-10Anti-theft ..........................................................................................................................
419-10-10Electric booster Heater...................................................................................................
419-10-10Climate control................................................................................................................
DIAGNOSIS AND TESTING 419-10-11
Generic Electronic Module (GEM)......................................................................................
419-10-11
Description of operation......................................................................................................
419-10-12
Inspection and Checking....................................................................................................
REMOVAL AND INSTALLATION 419-10-14
Generic Electronic Module (GEM)......................................................................................
419-10-15
Lighting Control Module (LCM)........................................................................................... 419-10-1
Multifunction Electronic Modules
419-10-1
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Module Controlled Functions – Overview
Generic electronics module (GEM)
CAUTIONS:
Never swap the GEM (generic electronic
module) between two vehicles.
Compare the number of relays and fuses
in the defective GEM and the new GEM.
Transfer from the defective GEM any relays
and fuses which are not in the new GEM.
In doing so, pay attention that fuses with
the correct Ampere rating are used, by
referring to the wiring diagrams.
NOTE: The GEM is integrated in the CJB (central
junction box) and cannot be replaced as a separate
unit.
For repair work during a service, vehicle-specific
configuration is necessary if a new GEM is
installed.
Emergency function
The GEM is equipped with restricted emergency
running functions on vehicles with mid or high-end
equipment levels.
The microcontroller sends a control signal to a
monitoring function within the GEM at regular
intervals. If the battery voltage falls below a value
of approx. 7.5 volts, this check signal is not present
and the GEM switches to emergency function after
a predetermined time.
In this case, the low beam is permanently switched
on, regardless of the light switch position. The
windshield wiper can only be operated in stage 1;
the wiper switch must however be in the stage I or
II position. The wiper park position is not
recognized. Intermittent wiping is not available.
When the control signal recurs, the GEM switches
back to normal operation.
Service mode
Description of operation
Diagnosis of the GEM can be carried out using the
Ford diagnostic unit. Furthermore, an integrated
service mode enables testing of the input and
output signals without the need for further tools.
To enable activation of service mode: • switch off the ignition,
• switch off all other electrical consumers,
• apply the handbrake,
• Shift to neutral
• and close the doors.
Activating the service mode
NOTE:
If the alarm is activated (in vehicles fitted
with an anti-theft alarm system), service mode
cannot be activated.
Proceed as follows to activate the service mode:
• OPERATE the switch of the heated rear window
and HOLD IT THERE
• SWITCH ON the ignition.
• RELEASE the switch of the heated rear window
A signal sounds and the turn signal lamps come
on to indicate that service mode has been
successfully activated.
Inputs
SWITCH the windshield wiper switch to the "OFF"
position to test the input signals. The following is
a list of the switch signals to be tested, in no
particular order:
• Windshield wiper stage I
• Windshield wiper stage II
• Windshield washer system
• Rear window wiper
• Rear window washer system
• Doors open/closed
• Remote control for central locking with double locking
• Hood open/closed (in vehicles equipped with an anti-theft alarm system)
• Tailgate open/closed
• A/C request signal
• Heated windscreen (if fitted)
• Parking brake
• Brake fluid level
• Cruise control system
• Autolamps
• Dipped beam
• Main beam
• Headlamp flasher
• Side lights
• Turn signals (right, left, hazard warning lights) G1030787en
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Multifunction Electronic Modules
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• Reversing lamp
• Liftgate release
• Folding liftgate release
• Ignition switch, terminal 15 (turn key to 0
position, then turn key to II position.)
An acoustic signal sounds and the turn signal
lamps flash to indicate receipt of each input signal
by the generic electronic module.
Test the windshield wiper "intermittent mode"
stage input signal (only vehicles with adjustable
intermittent mode):
The windshield wiper switch must be switched to
"intermittent mode" in order to test the input signal.
The delay times of the input signals can then be
tested by operating the rotary switch. Each change
of the rotary switch position is indicated by an
acoustic signal and illumination of the turn signals.
Output signals
SWITCH the wiper switch to the "Intermittent"
position to test the output signals. PRESSING the
heated rear window switch activates the output
signals in the following order:
• Left-hand turn signal
• Right-hand turn signal
• Main beam
• Dipped beam
• Windshield wiper stage I
• Windshield wiper stage II
• Heated rear window
• Heater blower motor
• Headlamp washer system (vehicles with HID headlamps)
• Electric booster heater (if fitted)
• Autolamps (if fitted)
• Alarm horn (vehicles with alarm system)
• Rear window wiper
• Heated rear window relay
When the heated rear window switch is pressed
again, the test of the relevant signal is terminated.
When the heated rear window switch is pressed
once more, the test for the next signal in the list is
started.
Ending the service mode
The GEM automatically ends service mode 20
seconds after the last input or at a driving speed
of over 7km/h. However, service mode can be
manually ended at any time by proceeding as
follows: •
OPERATE the switch of the heated rear window
and HOLD IT THERE
• Switch off the ignition.
• RELEASE the switch of the heated rear window
3 signals sound and the turn signal lamps illuminate
to indicate that service mode has ended.
Resetting service mode
If, after completion of service mode, some functions
do not operate or do not operate properly, check
the following functions:
• Instrument cluster illumination, side marker lamps (side lights) and licence plate lamp in
automatic headlamps mode
• Rear wiper
• Headlamp washer assembly
• Electric booster heater
• Alarm horn
• Heated windshield
If one or more of the listed functions is not OK, it's
possible that the cause of the fault is due to not
exiting service mode properly. To reactivate the
functions correctly, perform the following steps:
1. Switch off the ignition.
2. SWITCH OFF the switch for the windscreen wash/wipe system
3. OPERATE the switch of the heated rear window
and HOLD IT THERE
4. SWITCH ON the ignition.
5. RELEASE the heated rear window switch (an acoustic signal will sound if activation has been
performed correctly)
6. SWITCH the windscreen wash/wipe switch to the "Intermittent wipe" position
7. OPERATE the heated rear window switch 6 times (the main beam headlamps switch on and
off automatically)
8. SWITCH OFF the switch for the windscreen wash/wipe system
9. OPERATE the switch of the heated rear window
and HOLD IT THERE
10. Switch off the ignition.
11. RELEASE the heated rear window switch (three
acoustic signals will sound if activation has been
performed correctly)
After completion of the work, check all the
functions. G1030787en
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Description
Item
HS CAN
1
DLC2
MS CAN
3
Instrument cluster (gateway)
4
Front windshield wiper motors
5
GEM6
Rear window wiper motors
7
Indicator/heated windshield
8
Indicator/heated rear window
9 Description
Item
Mini-liftgate latch motor
10
Liftgate latch motor
11
Electric booster Heater
12
Front wiper windscreen washer pump
13
Rear wiper windscreen washer pump
14
Headlamp
15
Courtesy Lighting
16
Alarm horn
17
System Operation
GEM.
The following functions are controlled or performed
by the GEM at a battery voltage of between 9 and
16 volts:
• Current distribution
• Battery charging (Smart Charge)
• Ignition overload protection
• Headlamp switch-off delay
• Turn signals
• Interior lighting
• Heated windscreen
• Heated rear window and heated external mirrors
• Ambient air temperature
• Brake fluid level
• Automatic headlamps
• Combined rain sensor/light sensor
• Windshield wash/wipe system
• Speed control – reads the speed control switches andtransmits signals on the CAN data bus
• central door locking – transmits signals on the CAN data bus
• Anti-theft
• Electric booster Heater
• Climate control
• Parking brake –(monitors the switch and transmits the signal
on the CAN data bus
• Communication via the medium-speed CAN data bus Component Description
Battery charging (Smart Charge)
In addition to the familiar functions, the Smart
Charge system also performs the following
functions:
•
Automatic deactivation of non-critical high power
electrical consumers when the battery voltage
is low in order to reduce the level of current
drawn.
• Automatic activation of non-critical high power electrical consumers when the battery voltage
is excessively high in order to protect
components which are sensitive to increased
voltages.
The battery charging current is optimized through
continuous calculation of the battery temperature
and monitoring of the alternator output voltage.
The alternator load is signaled to the PCM
(powertrain control module) in order to provide it
with an early indication when an electric component
is to be switched on or off, thereby also providing
information about imminent changes to the amount
of torque demanded by the alternator. By
evaluating this information the PCM is capable of
increasing the stability of the engine under idling.
The two remaining functions of the Smart Charge
system are controlled by the GEM. G1030788en
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Multifunction Electronic Modules
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Electrical consumers are switched off when the
battery voltage is low if the GEM determines (as a
result of the message received from the PCM on
the CAN bus via the instrument cluster) that the
battery voltage has dropped below the threshold
value.
When the threshold for low battery voltage is
reached the GEM switches off the following
consumers in this order at intervals of 5 seconds:
• Heated windscreen
• Heated rear window
• Electric booster Heater
• A/C system
If the battery voltage increases back above the
lower threshold then all of the consumers which
were previously switched off are reactivated by the
GEM.
Once the electric consumers have been reactivated
their status is "switched off", i.e. the consumers
are switched off and await an input signal provided
from the relevant switch via the GEM; this means
that the driver needs to switch these components
back on again.
Electrical consumers are switched on when the
battery voltage is excessively high if the GEM
determines that the battery voltage has increased
above the threshold for overvoltage and the
charging system warning indicator has come on.
When the threshold is reached the GEM switches
on the following consumers in this order at intervals
of 5 seconds:
• Heated windscreen
• Heated rear window
When these components are deactivated again
their status is "switched off". This means that the
consumers are waiting for an input signal provided
from the relevant switch via the GEM.
Ignition overload protection
The ignition overload protection intermittently
disconnects certain circuits in order to restrict the
current being drawn from the battery while the
starter motor is operating.
The position of the ignition switch is broadcast by
the instrument cluster on the medium speed CAN
bus.
The ignition overload protection relay which is
integrated in the battery junction box is activated
by the GEM if the message "ignition switch in
position III" is received from the instrument cluster.
All of the electric consumers controlled by the
ignition overload protection relay are then switched
off.
The following consumers (among others) are
controlled by the ignition overload protection relay:
• Fog lamps
• Windscreen/rear window wash/wipe systems
• Backup lamps
• Heated washer nozzles
• Heating blower motor
• Seat heating
Headlamp switch-off delay
The headlamp switch-off delay utilizes the low
beam together with the peripheral lights (if
equipped) to illuminate the area surrounding the
vehicle. The function is activated by operating the
high beam lever when the ignition switch is in the
"0" position.
After the last door has been closed, the function
remains active for a further 30 seconds and then
switches off automatically.
When a door or the tailgate is open, the switch-off
time is extended to 180 seconds. After the last door
has been closed, the switch-off time is reset to 30
seconds.
The headlamp switch-off delay can be deactivated
prematurely by operating the high beam lever again
or by switching on the ignition.
The switch-off time is adjusted to set values at the
factory and cannot be re-programmed using the
Ford diagnostic unit.
G1030788en
2008.50 Kuga 8/2011 419-10-7
Multifunction Electronic Modules
419-10-7
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Turn signals
Description
Item
External mirror housing
1
Turn signals
2
The GEM switches the direction indicators and the
direction indicator side repeaters on.
The GEM sends a signal to the instrument cluster
via the CAN bus to switch on the relevant turn
indicator and the acoustic signal.
The signals from the hazard flasher switch and
from the multifunction switch are transmitted to the
GEM via a wiring connection.
The turn signals and the warning lamp flash at a
specified frequency and, in the case of failure of a
turn signal, the frequency is doubled.
The turn signal lamps also have a one-touch lane
change function. If the multifunction lever is
pressed just slightly then the relevant turn signal
lamp is actuated 3 times by the GEM.
Interior lighting
Depending on the vehicle specification, the interior
lighting includes:
• Left and right-hand footwell lamps
• Overhead lights at front and rear
Depending on the vehicle specification, the
switchable interior lighting includes:
• Map lights
• Mirror lights in sun visors
• Glove compartment lamp
• Luggage compartment lamp
The front and rear overhead lights are switched on
by the GEM. The interior lighting is switched on if one of the
following conditions is satisfied:
One of the vehicle's doors is opened.
The ignition key is in the "0" or "I" position and the
vehicle is unlocked.
The ignition key is turned from the "II" to the "I" or
"0" position.
The interior lighting is switched off when all of the
doors are closed and one of the following
conditions is satisfied:
• 25 seconds have elapsed since the last door
was closed.
• The ignition key is turned from the "0" or "I" to the "II" position.
• The ignition key is in the "0" or "I" position while the vehicle is locked.
The dimmer function is not used if the interior
lighting is switched off via the battery protection
function.
Heated windscreen
The heated windshield is switched on by the GEM
under the following conditions:
• The heated windshield switch is operated, the ignition switch is in position "II" and the charge
warning lamp is switched off.
• The "Defrost" function of the two-zone air conditioning has been activated, the ignition
switch is in the position "II" and the charge
warning lamp is off.
• The battery voltage has exceeded 16 V for more
than 20 seconds (power management strategy).
Manual requests for switching off the heated
windshield by pressing the switch are ignored
at this time.
• The engine was started at an outside air temperature below 4°C and an engine
temperature below 65°. Manual requests for
switching off the heated windshield by pressing
the switch are accepted.
NOTE: If the battery voltage returns to the normal
range, the disabling of the heated windshield is
switched off. It is then switched off.
The heated windshield is switched off by the GEM
under the following conditions: G1030788en
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• 4 minutes have elapsed since the button for the
heated windshield was pressed.
• The ignition switch is turned to the "I" or "0" position.
• The "Defrost" function is deactivated or the switch for the heated windscreen is pressed
again while the heated windscreen is still
switched on.
• The charging system warning indicator is switched on.
• The battery voltage falls below the threshold value for low battery voltage for more than 20
seconds (power management strategy). Manual
requests for switching on the heated windshield
by pressing the switch are ignored at this time.
• More than 4 minutes have passed since starting
the engine.
Heated rear window and heated external
mirrors
The GEM transmits a request signal via the CAN
bus to the door modules to switch on the heated
exterior mirrors.
The heated rear window and the heated exterior
mirrors are switched on by the GEM under the
following conditions:
• The switch for the heated rear window is pressed and the ignition switch is in the "II"
position.
• The "defrost" function of the air conditioning is activated and the ignition switch is in the position
"II".
• The battery voltage has exceeded 16 V for more
than 20 seconds (power management strategy).
Manual requests to switch off the heated rear
window by pressing the button are ignored at
this time.
• The engine was started at an outside air temperature below 4°C and an engine
temperature below 65°. Manual requests for
switching off the heated rear window by pressing
the switch are accepted.
NOTE: If the battery voltage returns to the normal
range then the disabling of the heated rear window
is cancelled - the heated rear window is then in a
switched-off state.
The GEM transmits a request signal via the CAN
bus to the door modules to switch off the heated
exterior mirrors. The heated rear window and the heated exterior
mirrors are switched off by the GEM under the
following conditions
• 14 minutes have elapsed since the button for
the heated rear window was pressed.
• The ignition switch is turned to the position "0", "I" or "III".
• The switch for the heated rear window is pressed or the "defrost" function of the air
conditioning is deactivated while the heated rear
window is switched on.
• The battery voltage has dropped below 10.3 V for more than 20 seconds (power management
strategy). Manual requests for switching on the
heated rear window by pressing the switch are
ignored at this time.
• More than 14 minutes have passed since starting the engine.
Ambient air temperature
The ambient air temperature sensor is connected
via a cable to the GEM. It measures the outside
air temperature to an accuracy of around ±0.5 °C.
The GEM broadcasts the ambient air temperature
on the medium speed CAN bus, where it can be
evaluated by various systems.
Brake fluid level
The brake fluid level switch is connected via a
cable to the GEM.
The GEM transmits a message on the medium
speed CAN bus. The instrument cluster then
transfers this message to the high speed CAN bus
where it is made available for various other
functions.
Automatic headlamps
Refer to: Exterior Lighting (417-01 Exterior Lighting,
Description and Operation).
Combined rain sensor/light sensor
Refer to: Exterior Lighting (417-01 Exterior Lighting,
Description and Operation). G1030788en
2008.50 Kuga 8/2011 419-10-9
Multifunction Electronic Modules
419-10-9
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Windshield wash/wipe system
Refer to:
Wipers and Washers (501-16 Wipers and
Washers, Description and Operation).
Anti-theft
Refer to: Anti-Theft - Active (419-01 Anti-Theft -
Active, Description and Operation).
Electric booster Heater
Refer to: Auxiliary Climate Control (412-02 Auxiliary
Climate Control, Description and Operation).
Climate control
Refer to: Climate Control (412-01 Climate Control,
Description and Operation). G1030788en
2008.50 Kuga 8/2011 419-10-10
Multifunction Electronic Modules
419-10-10
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