Jaguar XJ (X350). Manual — part 1393

terminals.

DTC

Description

Possible Causes

Action

B1221

Driver Seat Heater

Output Fault

•

Front electronic
module, seat heater -
power circuit fault

Refer to electrical circuit diagrams, notes

and check front electronic module seat

heater output for circuit fault

B1222

Passenger Seat

Heater Output Fault

•

Front electronic
module, right seat
heater - power
circuit fault

Refer to electrical circuit diagrams, notes

and check front electronic module seat

heater power for circuit fault

B1313

Battery Saver Relay

Coil Circuit Failure

•

Front electronic
module - self
protected due to
high circuit load

Refer to electrical circuit diagrams, notes

and check front electronic module

switched system power distribution

circuit for non standard output loads

B1315

Battery Saver Relay

Coil Circuit Short To

Power

•

Front electronic
module, switched
system power fault -
circuit short to
power

Refer to electrical circuit diagrams, notes

and check front electronic module

switched system power distribution

circuit for short to power

B1432

Wiper Brake/Run

Relay Circuit Short

To Power

•

Front electronic
module ,wiper relay
output circuit - short
to power

Refer to electrical circuit diagrams, notes

and check front electronic module to

wiper relay circuit for short to power

B1433

Wiper Brake/Run

Relay Circuit Short

To Ground

•

Front electronic
module, wiper relay
output circuit - short
to ground

Refer to electrical circuit diagrams, notes

and check front electronic module to

wiper relay circuit for short to ground

B1436

Wiper Hi/Low Speed

Relay Coil Circuit

Short To Power

•

Front electronic
module, wiper relay
output circuit - short
to power

Refer to electrical circuit diagrams, notes

and check front electronic module to

wiper relay circuit for short to power

B1437

Wiper Hi/Low Speed

Relay Coil Circuit

Short To Ground

•

Front electronic
module, wiper relay
output circuit - short
to ground

Refer to electrical circuit diagrams, notes

and check front electronic module to

wiper relay circuit for short to ground

B1438

Wiper Mode Select

Switch Circuit Failure

•

Front electronic
module, master
wiper switch circuit -
short to ground

Refer to electrical circuit diagrams, notes

and check front electronic module wiper

switch circuit for short to ground

B1439

Wiper Mode Select

Switch Circuit Open

•

Front electronic
module, master
wiper switch circuit -
open or short to
power

Refer to electrical circuit diagrams, notes

and check front electronic module wiper

switch line for short to power or open

circuit

B1440

Wiper Mode Select

Switch Circuit Short

To Power

•

Front electronic
module, momentary
wipe switch circuit -
short to power or
open

Refer to electrical circuit diagrams, notes

and check front electronic module

momentary wipe switch circuit for short

to power or open

B1441

Wiper Mode Select

Switch Circuit Short

To Ground

•

Front electronic
module ,momentary
wipe switch circuit -
short to ground

Refer to electrical circuit diagrams, notes

and check front electronic module

momentary wipe switch circuit for short

to ground

B1450

Wiper Wash/Delay

Switch Circuit Failure

•

Front electronic
module, wash/wipe
switch circuit - short
to ground

Carry out any pinpoint tests associated

with this DTC using the manufacturer

approved diagnostic system. Refer to

electrical circuit diagrams, notes and

check front electronic module

wash/wipe switch circuit for short to

ground

B1451

Wiper Wash/Delay

Switch Circuit Open

•

Front electronic
module, wash/wipe
delay switch - circuit
open

Refer to electrical circuit diagrams, notes

and check front electronic module

wash/wipe delay switch line for open

circuit

B1452

Wiper Wash/Delay

Switch Circuit Short

To Power

•

Front electronic
module, wash/wipe
delay switch circuit -
short to power

Refer to electrical circuit diagrams, notes

and check front electronic module

wash/wipe delay switch circuit - short to

power

B1453

Wiper Wash/Delay

Switch Circuit Short

To Ground

•

Front electronic
module, wash/wipe
delay switch circuit -
short to ground

Refer to electrical circuit diagrams, notes

and check front electronic module

wash/wipe delay switch circuit short to

ground

www.

B1458

Wiper Washer Pump

Motor Relay Circuit

Failure

•

Front electronic
module, screen-wash
pump power circuit -
self protection (high
circuit load)

Carry out any pinpoint tests associated

with this DTC using the manufacturer

approved diagnostic system. Refer to

electrical circuit diagrams, notes and

check front electronic module screen-

wash pump power circuit for fault

B1459

Wiper Washer Pump

Motor Relay Coil

Circuit Open

•

Front electronic
module, screen-wash
pump power - circuit
open

Refer to electrical circuit diagrams, notes

and check front electronic module

screen-wash pump power line for open

circuit

B1460

Wiper Washer Pump

Motor Relay Coil

Circuit Short To

Power

•

Front electronic
module, screen-wash
pump power circuit -
short to ground

Refer to electrical circuit diagrams, notes

and check front electronic module

screen-wash pump power circuit for

short to ground

B1474

Battery Saver Power

Relay Circuit Short

To Power

•

Front electronic
module switched
system power
distribution circuit -
short to power

Refer to electrical circuit diagrams, notes

and check front electronic module

switched system power distribution

circuit for short to power

B1500

Lamp Turn Signal

Left Circuit Open

•

Front electronic
module, left front
direction indicator -
circuit open

Refer to electrical circuit diagrams, notes

and check front electronic module left

front direction indicator line for open

circuit

B1501

Lamp Turn Signal

Left Circuit Short To

Power

•

Front electronic
module, left front
direction indicator
circuit - short to
power

Refer to electrical circuit diagrams, notes

and check front electronic module left

front direction indicator circuit for short

to power

B1504

Lamp Turn Signal

Right Circuit Open

•

Front electronic
module, right front
direction indicator -
circuit open

Refer to electrical circuit diagrams, notes

and check front electronic module right

front direction indicator for open circuit

B1505

Lamp Turn Signal

Right Circuit Short To

Power

•

Front electronic
module, right front
direction indicator
circuit - short to
power

Refer to electrical circuit diagrams, notes

and check front electronic module right

front direction indicator circuit for short

to power

B1569 Lamp Headlamp

•

Front electronic
module, main beam

Refer to electrical circuit diagrams, notes

High-Beam Circuit

Short To Power

relay circuit - short to
power

and check front electronic module main

beam relay circuit for short to power

B1570

Lamp Headlamp

High-Beam Circuit

Short To Ground

•

Front electronic
module, main beam
relay circuit - short to
ground

Refer to electrical circuit diagrams, notes

and check front electronic module main

beam relay circuit for short to ground

B1676

Battery Pack Voltage

Out Of Range

•

Front electronic
module - Supply
voltage above or
below preset level

Carry out any pinpoint tests associated

with this DTC using the manufacturer

approved diagnostic system. Refer to

electrical circuit diagrams, notes and

check front electronic module power

and ground circuit for fault

B1838

Battery Saver Power

Relay Circuit Failure

•

Front electronic
module, switched
system power
distribution circuit -
short to ground

Carry out any pinpoint tests associated

with this DTC using the manufacturer

approved diagnostic system. Refer to

electrical circuit diagrams, notes and

check front electronic module switched

system power distribution circuit for

short to ground

B1987

Pedal Forward /

Rearward Motor

Stalled

•

Front electronic
module, adjustable
pedal motor output
circuit - motor stall
detected

Refer to electrical circuit diagrams, notes

and check front electronic module,

adjustable pedal motor and circuit for

fault

B1990

Pedal Forward /

Rearward

Potentiometer

Feedback Circuit

Failure

•

Front electronic
module, adjustable
pedal feedback
potentiometer circuit
- short to ground or
open

Carry out any pinpoint tests associated

with this DTC using the manufacturer

approved diagnostic system. Refer to

electrical circuit diagrams, notes and

check front electronic module

(adjustable pedal) feedback

potentiometer circuit for short to ground

or open

B1991

Pedal Forward /

Rearward

Potentiometer

Feedback Circuit

Short to power

•

Front electronic
module ,adjustable
pedal feedback
potentiometer circuit
- short to power

Refer to electrical circuit diagrams, notes

and check front electronic module

(adjustable pedal)feedback

potentiometer circuit for short to power

B2022 Rear Courtesy Lamp

Output Circuit

•

Front electronic
module, front

Carry out any pinpoint tests associated

with this DTC using the manufacturer

www.