Jaguar XJ (X350). Manual — part 274

•

Fluid aeration.

•

BLEED the system. For
additional information,

•

Steering transducer
not closed - no feed
voltage.

•

CHECK the steering transducer
circuit. For additional
information, REFER to the
wiring diagrams.

•

Carry out the electrical checks
and tests. For additional
information, REFER to the
Electrical Checks and Tests in
this section.

•

Steering transducer
not closed - cable
fault.

•

CHECK the steering transducer
circuit. For additional
information, REFER to the
wiring diagrams.

•

Carry out the electrical checks
and tests. For additional
information, REFER to the
Electrical Checks and Tests in
this section.

•

Steering control
module (SCM)
defective.

•

CHECK the SCM and INSTALL a
new SCM as necessary.

•

Power steering fluid
delivery pressure or
flow too low.

•

CHECK the power steering
pressure. For additional
information, REFER to the
Power Steering Pressure Test
in this section.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Internal steering gear
leakage.

•

CHECK the power steering
pressure. For additional
information, REFER to the
Power Steering Pressure Test
in this section.

•

INSTALL a new steering gear as
necessary. For additional
information,

<<211-02>>

•

Steering operation is
very heavy when

•

Steering transducer

•

CHECK steering transducer
and INSTALL a new steering

driving, but when
stationary
manoeuvring is good

open early.

transducer as necessary.

•

Carry out the electrical checks
and tests. For additional
information, REFER to the
Electrical Checks and Tests in
this section.

•

Steering transducer
open early, steering
control module (SCM)
fault.

•

CHECK SCM and INSTALL a
new SCM as necessary.

•

Steering transducer
open early, speedo
signal error.

•

CHECK speedo circuit. For
additional information, REFER
to the wiring diagrams.

•

Steering operation is
very light when
driving, but when
stationary
manoeuvring is good

•

Steering transducer
not open, (no power
steering fluid flow).

•

CHECK the power steering
fluid condition. For additional
information, REFER to the
Power Steering Fluid condition
check in this section.

•

Steering transducer
not open, steering
control module (SCM)
fault.

•

CHECK the SCM and INSTALL a
new SCM as necessary.

•

Carry out the electrical checks
and tests. For additional
information, REFER to the
Electrical Checks and Tests in
this section.

•

Steering transducer
not open, speedo
signal error.

•

CHECK the speedo circuit. For
additional information, REFER
to the wiring diagrams.

•

CHECK the power
steering fluid low
pressure pipe for
restricted flow.

•

INSTALL a new power steering
fluid low pressure pipe.

•

Steering heavy
operation during
rapid manoeuvring

•

Air in power steering
system.

•

CHECK for an air leak into the
power steering system and
repair as necessary.

•

BLEED the power steering
system. For additional
information,

Power Steering System
Bleeding (57.15.02 )

www.

•

Fluid loss at the
power steering pump
shaft seal.

•

CHECK the power steering
pump for signs of steering
fluid loss.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Power steering fluid
delivery pressure or
flow too low.

•

CHECK the power steering
pump for signs of steering
fluid loss.

•

CHECK the power steering
pressure. For additional
information, REFER to the
Power Steering Pressure Test
in this section.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Steering heavy
operation in one
direction

•

Lower steering
column interference.

•

CHECK the steering column is
free from interference from
the engine harness, sound
proofing or the floor covering.

•

Incorrect steering
geometry.

•

CHECK the front wheel
alignment. For additional
information,

<<204-00>>

•

Faulty rotary
valve/seal.

•

CHECK the power steering
pressure. For additional
information, REFER to the
Power Steering Pressure Test
in this section.

•

INSTALL a new steering gear as
necessary. For additional
information,

<<211-02>>

•

Tire fouling on the
wheel arch liner.

•

CHECK for clearance between
the tire and the wheel arch
liner.

•

Remove and refit the wheel
arch liner or INSTALL a new
wheel arch liner as necessary.

•

Steering heavy
operation in both

•

Low power steering
fluid.

•

CHECK steering system for
signs of steering fluid loss.

•

BLEED the power steering

directions

system. For additional
information,

<<211-00>>

•

Air in power steering
system.

•

CHECK the power steering
pump for signs of steering
fluid loss.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Fluid loss at the
power steering pump
shaft seal.

•

CHECK the power steering
pump for signs of steering
fluid loss.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Power steering fluid
delivery pressure or
flow too low.

•

CHECK the power steering
pump for signs of steering
fluid loss.

•

CHECK the power steering
pressure. For additional
information, REFER to the
Power Steering Pressure Test
in this section.

•

INSTALL a new power steering
pump as necessary. For
additional information,

<<211-

02>>

•

Steering operation
varies from heavy to
light when driving at
constant speed

•

Lower steering
column interference.

•

CHECK the steering column is
free from interference from
the engine harness, sound
proofing or the floor covering.

•

Incorrect
speedometer signal.

•

CHECK the speedo circuit. For
additional information, refer
to the wiring diagrams.

•

Steering transducer
cable/connection
faulty or grounded.

•

CHECK the steering transducer
circuit. For additional
information, refer to the
wiring diagrams.

•

Carry out the electrical checks
and tests. For additional
information, REFER to the
Electrical Checks and Tests in

www.