Frelander 2. Manual — part 559
Item
Part Number
Description
1
-
Battery
2
-
Driver door switch pack
3
-
Rear door glass motor
4
-
Driver door glass motor
5
-
Rear door window lift switch
6
-
Driver door module
7
-
Rear door module
8
-
Passenger door module
9
-
Rear door module
10
-
Rear door window lift switch
11
-
Rear door glass motor
12
-
Passenger door glass motor
13
-
Passenger door window lift switch
14
-
AJB
15
-
CJB
16
-
Battery Junction Box (BJB)
PRINCIPLES OF OPERATION
The CJB provides a power supply to the driver door switch pack when the vehicle is in power mode 6 (ignition on). Switch
requests made using the driver door switch pack are then delivered to the driver door module over the LIN bus.
The driver door module interprets the request made using the switch pack and responds as follows:
If the request is for drivers side rear window operation, a request is transmitted over the LIN bus to the driver side
rear door module.
If the request is for front passenger window operation, a request is transmitted over the medium speed CAN bus to
the passenger door module.
If the request is for passenger side rear window operation, a request is transmitted over the medium speed CAN
bus to the passenger door module. This request is then forwarded over the LIN bus to the passenger side rear door
module.
Door Glass Opening and Closing
Each door module provides 2 signal feeds to its window lift switch. When a switch request is made, a ground path is
created on one of the lines via the door module. From this the door module can determine which direction of travel has
been requested.
The door modules power the door glass motors on receipt of a switch request or a request for Global Closing (see below).
The door modules provide feed and return paths to their respective motor, which can switch depending on the direction of
travel requested.
The door glass motor assemblies also contain a Hall effect sensor. The Hall effect sensor allows the door module to
determine the position of the door glass and if a motor stall condition has taken place.
Global Closing
The AJB provides a constant battery feed to the 4 door modules. This feed is used operate the 'Global Closing' feature.
Global Closing allows all 4 windows to be closed using the Radio Frequency (RF) handset.
• NOTE: The roof opening panel is not part of the Global Closing feature.
The Global Closing feature is activated by pressing and holding the 'lock' button on the RF handset for 3 seconds. The
request for Global Closing is provided to the CJB by the RF receiver. The CJB then transmits this request to the driver and
passenger door modules over the medium speed CAN bus.
Initialization
When the vehicle is delivered from the factory the window lift system will operate slowly until it has been initialized. The
initialization process should be carried out using the Pre-Delivery Inspection (PDI) feature contained within the Land Rover
approved diagnostic system. For more information, refer to the PDI manual.
Similarly, if a door module is replaced, the new module will require initialization before handover to the customer. The
initialization process for a new module is carried out using the 'New Module' feature contained within the Land Rover
approved diagnostic system.
• NOTE: If a driver door or passenger door module is replaced, both will require initialization. This ensures both front
controlling modules contain the same level of software.
Glass, Frames and Mechanisms - Glass, Frames and Mechanisms
Diagnosis and Testing
Principles of Operation
For a detailed description of the glass, frames and mechanisms, refer to the relevant Description and Operation section in
the workshop manual.
REFER to:
Glass, Frames and Mechanisms
(501-11 Glass, Frames and Mechanisms, Description and Operation).
Inspection and Verification
CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does
not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor
vehicle.
1. Verify the customer concern.
1.
2. Visually inspect for obvious signs of mechanical or electrical damage.
2.
Visual Inspection
Mechanical
Electrical
W indow glass
W indow regulator
Fuses/relays (refer to electrical guide)
Wiring harness
Correct engagement of electrical connectors
Loose or corroded connections
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before
proceeding to the next step.
3.
4. If the cause is not visually evident, check for Diagnostic Trouble Codes (DTCs) and refer to the DTC Index.
4.
DTC Index
• NOTE: If the control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the
Warranty Policy and Procedures manual (section B1.2), or determine if any prior approval programme is in operation, prior
to the installation of a new module/component.
• NOTE: Generic scan tools may not read the codes listed, or may read only five digit codes. Match the five digits from the
scan tool to the first five digits of the seven digit code listed to identify the fault (the last two digits give extra
information read by the manufacturer-approved diagnostic system).
• NOTE: When performing voltage or resistance tests, always use a digital multimeter (DMM) accurate to three decimal
places and with a current calibration certificate. W hen testing resistance, always take the resistance of the DMM leads into
account.
• NOTE: Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
• NOTE: If DTCs are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent concern may
be the cause. Always check for loose connections and corroded terminals.
DTC
Description
Possible Cause
Action
B117C07 Rear Power Window
up
Mechanical Failure Check for mechanical failure of rear window mechanism
B117C72 Rear Power Window
up
Actuator Stuck
Open
Clear DTC and re-test. If DTC returns, install a new rear door
module, refer to the new module installation note at the top of
the DTC Index
B117C73 Rear Power Window
up
Actuator Stuck
Closed
Clear DTC and re-test. If DTC returns, install a new rear door
module, refer to the new module installation note at the top of
the DTC Index
B117C92 Rear Power Window
up
Performance or
incorrect operation
Refer to electrical circuit diagrams and check power and ground
supplies to rear door module
B117D72 Rear Power Window
down
Actuator Stuck
Open
Clear DTC and re-test. If DTC returns, install a new rear door
module, refer to the new module installation note at the top of
the DTC Index
B117D73 Rear Power Window
down
Actuator Stuck
Closed
Clear DTC and re-test. If DTC returns, install a new rear door
module, refer to the new module installation note at the top of
the DTC Index
B117E07 Front Power Window
up
Mechanical failure Check for mechanical failure of front window mechanism
B117E72 Front Power Window
up
Actuator stuck
open
Clear DTC and re-test. If DTC returns, install a new DDM/PDM,
refer to the new module installation note at the top of the DTC
Index
B117E73 Front Power Window
up
Actuator stuck
closed
Clear DTC and re-test. If DTC returns, install a new DDM/PDM,
refer to the new module installation note at the top of the DTC
Index
B117F72 Front Power Window
down
Actuator stuck
open
Clear DTC and re-test. If DTC returns, install a new DDM/PDM,
refer to the new module installation note at the top of the DTC
Index
DTC
Description
Possible Cause
Action
B117F73 Front Power Window
down
Actuator stuck
closed
Clear DTC and re-test. If DTC returns, install a new DDM/PDM,
refer to the new module installation note at the top of the DTC
Index
B118929 Front W indow
Position Sensor
Signal invalid
Carry out pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system
B118A29 Rear Window
Position Sensor
Signal invalid
Carry out pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system
B11D183 LIN Bus Circuit "C"
Value of signal
protection
calculation
incorrect
Refer to the electrical circuit diagrams and test LIN circuit
between driver switch pack and DDM for short/open circuits, clear
DTC and re-test. If DTC remains install a new switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
B11D186 LIN Bus Circuit "C"
Signal Invalid
Refer to the electrical circuit diagrams and test LIN circuit
between driver switch pack and DDM for short/open circuits, clear
DTC and re-test. If DTC remains install a new switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
B11D187 LIN Bus Circuit "C"
Missing Message
Refer to the electrical circuit diagrams and test LIN circuit
between driver switch pack and DDM for short/open circuits, clear
DTC and re-test. If DTC remains install a new switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
B1A9883 LIN Bus Circuit #1
Value of signal
protection
calculation
incorrect
Carry out the pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and test LIN circuit between driver side rear door
module and DDM for short/open circuits, clear DTC and re-test. If
DTC remains install a new switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
B1A9886 LIN Bus Circuit #1
Signal Invalid
Refer to the electrical circuit diagrams and test LIN circuit
between driver side rear door module and DDM for short/open
circuits, clear DTC and re-test. If DTC remains install a new
switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
B1A9887 LIN Bus Circuit #1
Missing Message
Refer to the electrical circuit diagrams and test LIN circuit
between driver side rear door module and DDM for short/open
circuits, clear DTC and re-test. If DTC remains install a new
switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
C1B1411 Sensor Supply #1
Short to ground
Refer to the electrical circuit diagrams and test front window
sensor supply circuit for short to ground
C1B1415 Sensor Supply #1
Short to power or
open circuit
Refer to the electrical circuit diagrams and test front window
sensor supply circuit for short to power or open circuit
C1B1511 Sensor Supply #2
Short to ground
Refer to the electrical circuit diagrams and test rear window
sensor supply circuit for short to ground
C1B1515 Sensor Supply #2
Short to power or
open circuit
Refer to the electrical circuit diagrams and test rear window
sensor supply circuit for short to power or open circuit
U030000 Internal control
module software
incompatibility
Invalid
configuration
message is
received
Re-configure the CJB using the manufacturer approved diagnostic
system. Clear the DTC and retest. If the DTC is still logged
suspect the DDM/PDM, refer to the new module installation note
at the top of the DTC Index
U201324 Switch Pack
Signal stuck high
Carry out the pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system. Clear DTC and re-test.
If DTC remains, install a new driver side window switch pack.
REFER to:
Driver Door Window Control Switch
(501-11 Glass,
Frames and Mechanisms, Removal and Installation).
U201444 Control module
hardware
Data Memory
Failure
Install a new DDM/PDM, refer to the new module installation note
at the top of the DTC Index
U210000 Initial configuration
not complete
No sub type
information
Re-configure the DDM/PDM using the manufacturer approved
diagnostic system
U300049 Control module
Internal electronic
failure
Install a new DDM/PDM, refer to the new module installation note
at the top of the DTC Index
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