Jaguar XJ (X350). Manual — part 1392

circuit - short to ground

module security circuit for short

to ground

B2112

Door Driver Set Switch

Stuck Failure

•

Drivers door module, lock
switch circuit - lock
switch stayed active
when unlock became
active

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check lock switch circuit

B2116

Door Driver Reset

Switch Stuck Failure

•

Drivers door module, lock
switch circuit - unlock
switch stayed active
when lock became active

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check unlock switch circuit

B2141

NVM Configuration

Failure

•

Drivers door module
swapped for virgin
module while rear
electronic module has ID
transfer flag set or both
front electronic module &
rear electronic module
swapped for virgin
modules

The modules can be configured

using the new module procedure.

Check and configure as required

B2168

Unable to confirm

Unlock Condition

•

Drivers door module, lock
switch circuit - unlock
switch, unlock status
became active but lock
status did not become
inactive

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check unlock status circuit

B2169

Unable to confirm Lock

Condition

•

Drivers door module, lock
switch circuit - unlock
switch, lock status
became active but unlock
status did not become
inactive

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check lock status circuit

B2207

ECU ROM Checksum

Error

•

Drivers door module -
CRC failure or EEPROM
checksum failure

Suspect module internal fault

replace as required, refer to the

new module installation note at

the top of the DTC Index

B2322

Mirror Driver

Horizontal Feedback

Potentiometer Circuit

Short To Power

•

Drivers door module,
door mirror
potentiometer - circuit
voltage high this DTC will
only log when operation
of memory position recall

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check door mirror circuit for

fault

B2323

Mirror Driver

Horizontal Feedback

Potentiometer Circuit

Short to Ground

•

Drivers door module,
door mirror
potentiometer - circuit
voltage low this DTC will
only log when operation
of memory position recall

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check door mirror circuit for

fault

B2326

Mirror Driver Vertical

Feedback

Potentiometer Circuit

Short to Power

•

Drivers door module,
door mirror
potentiometer - circuit
short to power this DTC
will only log when
operation of memory
position recall

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check door mirror circuit for

short to power

B2327

Mirror Driver Vertical

Feedback

Potentiometer Circuit

Short to Ground

•

Drivers door module,
door mirror
potentiometer - circuit
short to ground this DTC
will only log when
operation of memory
position recall

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check door mirror circuit for

short to ground

B2336

Mirror Switch Assembly

Circuit Failure

•

Drivers door module,
door mirror switch - left
mirror select remained
active when right mirror
select became active

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check door left/right mirror

switch and circuit for fault

B2373

LED #1 Circuit Short to

Battery

•

Drivers door module,
memory set LED circuit -
short to power

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

www.

and check memory-set LED circuit

for short to power

B2477

Module Configuration

Failure

•

Drivers door module -
configuration failure
Default: Always present
in new module.

The module can be configured

using the new module procedure.

Check and configure as required

B2499

Courtesy Lamp Output

Failure

•

Drivers door module,
driver puddle lamp circuit
- short to power or
ground

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check puddle lamp circuit for

short to power or ground

B2945

RF Receiver Enable

Short to Ground

•

Drivers door module,
remote keyless entry
module circuit - short to
ground

•

Hardware detection only
implemented on LP Japan
drivers door module with
external receiver

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check remote keyless entry

module circuit for short to

ground

B2946

RF Receiver Power

Short To Ground

•

Drivers door module,
remote keyless entry
module circuit - short to
ground

•

Hardware detection only
implemented on LP Japan
drivers door module with
external receiver

Carry out any pinpoint tests

associated with this DTC using

the manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check remote keyless entry

module circuit for short to

ground

U1147

SCP (J1850) Invalid or

Missing Data for

Vehicle Security

•

Drivers door module -
missing message Set
when driver door module
to rear electronic module
challenge fails and
security is not disarmed

Common DTC, only investigate if

this is the only DTC stored or if

dtc reoccurs after clearing. Refer

to electrical circuit diagrams,

notes and check driver door

module to rear electronic module

SCP circuit for fault

U1262 SCP (J1850)

Communication Bus

•

Drivers door module -
SCP circuit fault Set when
rear electronic module
doesn't send a challenge

Common DTC, only investigate if

this is the only DTC stored or if

dtc reoccurs after clearing. Carry

Fault

query

out any pinpoint tests associated

with this DTC using the

manufacturer approved

diagnostic system. Refer to

electrical circuit diagrams, notes

and check driver door to rear

electronic module SCP circuit for

fault

Front Electronic Module

CAUTION: When probing connectors to take measurements in the course of the pinpoint

tests, use the adaptor kit, part number 3548-1358-00

NOTE:

If the control module/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 program is in operation, prior to the installation of a new

module/component.

NOTE:

When performing voltage or resistance tests, always use a digital multimeter (DMM) accurate to

three decimal places and with a current calibration certificate. When testing resistance, always

take the resistance of the DMM leads into account.

NOTE:

Check and rectify basic faults before beginning diagnostic routines that involve pinpoint tests.

NOTE:

Inspect connectors for signs of water ingress, and pins for damage and/or corrosion.

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

www.