Ford Focus RS (2011 year). Instruction — part 43
Door Latch
E56150
1
2
3
Description
Item
Door latch
1
Door latch unlatch motor
2
Central/double locking motor
3
The keyless vehicle locking system requires unique
door latches.
The door latches are equipped with electric motors
that replace the mechanical unlatch function of the
exterior door handle when the vehicle is in keyless
vehicle system mode. This is because the exterior
door handle is already in a semi pulled state before
the latch unlatch command is received by the latch
lock motors, the latch linkage is not in a position
to engage with the exterior door handle.
If the emergency key is used to enter the vehicle,
the standard mechanical latch linkage is utilized.
Central and double locking is still controlled by the
door control modules, however the commands to
lock and unlock are relayed through the keyless
vehicle module on the high-speed CAN bus circuit.
Interior Unlock Switch
E56179
The interior unlock switches function, is to unlock
the rear doors and passenger door locks when the
vehicle has been entered using the passive entry
system in drivers unlock mode.
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DIAGNOSIS AND TESTING
Keyless Vehicle Module
E56101
The keyless vehicle module is at the heart of the
keyless vehicle system. It communicates with the
PJB and with the instrument cluster on the medium
speed CAN bus circuit. The keyless vehicle module
stores the passive vehicle key codes. If a new
keyless vehicle module is installed in a vehicle, the
following sequence must be followed before the
system can function.
• Using WDS Program Module routine, program
the keyless vehicle module.
• Using the Initialize System routine, initialize the
keyless vehicle module to the CJB and to the
steering column lock control unit.
• Using the Teach Key function, teach the
minimum number of passive keys required.
Inspection and Verification (Vehicles
with Keyless Entry)
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical
or electrical damage.
Visual Inspection Chart
Electrical
Mechanical
– Fuse(s)
– Relay(s)
– Wiring harness
– Electrical
connector(s)
– Door latch motor(s)
– Vehicle battery
– Liftgate lock switch
– Luggage compart-
ment lid lock switch
– Passive vehicle key
– Keyless vehicle
module
– Keyless vehicle
interior antenna(s)
– Keyless vehicle
exterior antenna(s)
– RF receiver
– Ignition lock cylinder
key insert switch
– Ignition lock cylinder
release solenoid
– Liftgate exterior
release switch
– Luggage compart-
ment lid release
switch
– Misaligned door(s),
hood, liftgate, tail-
gate, luggage
compartment and
hood
– Door latch(es)
– Liftgate latch
– Luggage compart-
ment lid latch
– Hood latch
– Actuating Cable(s)
– Exterior door
handle(s)
– Door latch remote
control(s)
– Door lock cylinder
3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, connect WDS
to the data link connector.
5. Select the Remote Keyless Entry menu.
6. Retrieve the diagnostic trouble codes (DTC)
and refer to the Diagnostic Trouble Code (DTC)
Index - Keyless Vehicle Module.
7. If no DTC(s) are stored in the keyless vehicle
module, retrieve the DTC(s) from the CJB and
refer to the DTC index - CJB.
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DIAGNOSIS AND TESTING
Diagnostic Trouble Code (DTC) Index - Keyless Vehicle Module
Action
Possible Source
Description
DTC
Using WDS, Program
Module menu.
PROGRAM the keyless
vehicle module. TEST
the system for normal
operation. If the DTC is
repeated, INSTALL a
new keyless vehicle
module.
14 Handles, Locks,
Latches and Entry
Systems, Removal
and Installation).
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. TEST the
system for normal opera-
tion
•
Keyless vehicle
module programing
•
Keyless vehicle
module
Keyless vehicle module
configuration failure
B2477
INSTALL a new keyless
vehicle module.
REFER to: Keyless
Vehicle Module
(501-
14 Handles, Locks,
Latches and Entry
Systems, Removal
and Installation).
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. TEST the
system for normal opera-
tion
Keyless vehicle module
Keyless vehicle module
failure
B1342
GO to Pinpoint Test A.
•
Wiring harness
•
Keyless vehicle
module
• Steering column lock
control unit
Communication failure
between keyless vehicle
module and steering
column lock control unit
B1096
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DIAGNOSIS AND TESTING
REFER to: Keyless
Vehicle Module
(501-
Action
Possible Source
Description
DTC
INSTALL a new steering
column lock control unit.
REFER to: Keyless
14 Handles, Locks,
Latches and Entry
Systems, Removal
and Installation).
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. TEST the
system for normal opera-
tion
Steering column lock
control unit
Steering column lock
control unit failure
B1095
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. Test the
system for normal opera-
tion
Steering column lock
control unit initialization
Steering column lock
control unit identification
not stored
B1094
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. TEST the
system for normal opera-
tion
Steering column lock
control unit initialization
Steering column lock
control unit identification
does not match stored
data
B1093
GO to Pinpoint Test B.
•
Wiring harness
• Steering column lock
control unit
•
Keyless vehicle
module
Steering column lock
control unit to keyless
vehicle module wiring
harness short to battery
positive
B1092
Using WDS, Remote
Keyless Entry, Initialize
System menu.
INITIALIZE the keyless
entry system. TEST the
system for normal opera-
tion
Keyless vehicle module
initialization
Keyless vehicle module
secure identification
missing
B1069
GO to Pinpoint Test C.
• RF antenna harness
•
RF antenna
•
Keyless vehicle
module
•
Central junction box
RF antenna data circuit,
short to battery or short
to ground
B2090
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DIAGNOSIS AND TESTING
Vehicle Module
(501-
Action
Possible Source
Description
DTC
GO to Pinpoint Test D.
• RF antenna harness
•
RF antenna
•
Keyless vehicle
module
•
Central junction box
RF antenna data circuit,
open circuit
B2091
For LHD vehicles, GO to
Pinpoint Test E.
•
Passenger side rear
door latch wiring
harness
•
Passenger side rear
door latch
•
Passenger side rear
door unlock switch
Passenger side rear
door latch clutch switch
active without door
handle unlock pull
switch functioning
B1087
GO to Pinpoint Test F.
• Drivers side rear door
latch wiring harness
• Drivers side rear door
latch
• Drivers side rear door
unlock switch
Drivers side rear door
latch clutch switch
active without door
handle unlock pull
switch functioning
B1088
GO to Pinpoint Test G.
• Passenger side front
door latch wiring
harness
• Passenger side front
door latch
• Passenger side front
door unlock switch
Passenger side front
door latch clutch switch
active without door
handle unlock pull
switch functioning
B1089
GO to Pinpoint Test H.
• Drivers side front door
latch wiring harness
• Drivers side front door
latch
• Drivers side front door
unlock switch
Drivers side front door
latch clutch switch
active without door
handle unlock pull
switch functioning
B1090
GO to Pinpoint Test I.
•
Drivers side door
exterior keyless
vehicle antenna
wiring harness
•
Drivers side door
exterior keyless
vehicle antenna
•
Key-free module
Drivers side door
exterior keyless antenna
circuit, short to battery
positive
B1078
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DIAGNOSIS AND TESTING
Action
Possible Source
Description
DTC
GO to Pinpoint Test J.
• Passengers side door
exterior keyless
vehicle antenna
wiring harness
• Passengers side door
exterior keyless
vehicle antenna
•
Keyless vehicle
module
Passengers side door
exterior keyless vehicle
antenna circuit, short to
battery positive
B1079
GO to Pinpoint Test K.
•
Liftgate/luggage
compartment lid
exterior keyless
vehicle antenna
wiring harness
•
Liftgate/luggage
compartment lid
exterior keyless
vehicle antenna
•
Keyless vehicle
module
Liftgate/luggage
compartment lid exterior
keyless vehicle antenna
circuit, short to battery
positive
B1080
•
Using the Passive
Key Detection Test,
in this section,
Identify the inoper-
ative keyless vehicle
interior antenna.
•
If the front interior
keyless vehicle
antenna is inoper-
Test L.
•
If the center interior
keyless vehicle
antenna is inoper-
ative,
GO to Pinpoint
Test M.
•
Interior keyless
vehicle antenna
wiring harness
•
Interior keyless
vehicle antenna(s)
•
Keyless vehicle
module
Interior passenger area
keyless vehicle antenna
circuit, short to battery
positive
B1081
GO to Pinpoint Test N.
•
Interior loadspace
keyless vehicle
antenna wiring
harness
•
Interior loadspace
keyless vehicle
antenna
•
keyless vehicle
module
Interior loadspace
keyless vehicle antenna
circuit, short to battery
positive
B1082
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DIAGNOSIS AND TESTING
ative,
GO to Pinpoint
Action
Possible Source
Description
DTC
GO to Pinpoint Test O.
•
Drivers side door
exterior keyless
vehicle antenna
wiring harness
•
Drivers side door
exterior keyless
vehicle antenna
•
Keyless vehicle
module
Drivers side door
exterior keyless vehicle
antenna circuit, short to
ground
B1077
GO to Pinpoint Test P.
• Passengers side door
exterior keyless
vehicle antenna
wiring harness
• Passengers side door
exterior keyless
vehicle antenna
•
Keyless vehicle
module
Passenger side door
exterior keyless vehicle
antenna circuit, short to
ground
B1083
GO to Pinpoint Test Q.
•
Liftgate/luggage
compartment lid
exterior keyless
vehicle antenna
wiring harness
•
Liftgate/luggage
compartment exterior
keyless vehicle
antenna
•
Keyless vehicle
module
Liftgate/luggage
compartment lid exterior
keyless vehicle antenna
circuit, short to ground
B1086
•
Using the Passive
Key Detection Test,
Identify the inoper-
ative keyless vehicle
interior antenna.
•
If the front interior
keyless vehicle
antenna is inoper-
ative,
GO to Pinpoint
Test R.
•
If the center interior
keyless vehicle
antenna is inoper-
ative,
GO to Pinpoint
Test S.
•
Interior keyless
vehicle antenna
wiring harness
•
Interior keyless
vehicle antenna(s)
•
Keyless vehicle
module
Interior passenger area
keyless vehicle antenna
circuit, short to ground
B1070
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DIAGNOSIS AND TESTING
Action
Possible Source
Description
DTC
GO to Pinpoint Test T.
•
Interior loadspace
keyless vehicle
antenna wiring
harness
•
Interior loadspace
keyless vehicle
antenna
•
keyless vehicle
module
Interior loadspace
keyless vehicle antenna
circuit, short to ground
B1071
GO to Pinpoint Test U.
•
Drivers side door
exterior keyless
vehicle antenna
wiring harness
•
Drivers side door
exterior keyless
vehicle antenna
•
keyless vehicle
module
Drivers side door
exterior keyless vehicle
antenna circuit, open
circuit
B1072
GO to Pinpoint Test V.
• Passengers side door
exterior keyless
vehicle antenna
wiring harness
• Passengers side door
exterior keyless
vehicle antenna
•
keyless vehicle
module
Passenger side door
exterior keyless vehicle
antenna circuit, open
circuit
B1073
GO to Pinpoint Test W.
•
Liftgate/luggage
compartment lid
exterior keyless
vehicle antenna
wiring harness
•
Liftgate/luggage
compartment lid
exterior keyless
vehicle antenna
•
keyless vehicle
module
Liftgate/luggage
compartment lid exterior
keyless vehicle antenna
circuit, open circuit
B1074
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DIAGNOSIS AND TESTING
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