Jaguar XJ (X350). Manual — part 248

volt drop

•

Pump ground circuit fault

•

Mechanical pump fault

suspect.

C00201C

ABS pump motor

control - voltage

out of range

•

Power supply to pump
motor: high resistance

•

Power supply to pump
motor: short circuit

•

Pump ground circuit fault

•

Internal solid-state fault
caused by ground circuit
fault

Refer to the warranty policy and

procedures manual if a module is

suspect.

C002071

ABS pump motor

control - actuator

stuck

•

Power supply to pump
motor: high resistance

•

Power supply to pump
motor: short circuit

•

Mechanical pump fault

For power supply circuit tests, GO to

Pinpoint Test

G531322p3

.

If the power and ground circuits are

OK, refer to the warranty policy and

procedures manual if a module is

suspect. No physical test of the

pump is possible.

C002201

Brake booster

fault

•

Vacuum circuit fault

•

Booster fault

For a mechanical check of the

vacuum booster function. GO to

Pinpoint Test

G531322p1

.

C003007

Left hand front

wheel speed

sensor (WSS) ring

•

Contamination or debris
on the WSS ring

•

WSS ring distorted

•

Excessive vibration

Check the WSS ring for

damage/contamination (the sensor

ring is part of the hub and can only

be inspected by removing the

sensor).

Front Wheel Speed Sensor

(70.60.03)

Check the steering and

suspension for excessive play which

could cause vibration.

C003101

Left hand front

wheel speed

sensor (WSS) -

signal current out

of range

•

WSS signal circuit: short
circuit to ground

•

WSS signal circuit: short
circuit to power

•

WSS signal circuit: high
resistance

For left hand front WSS tests, GO to

Pinpoint Test

G531322p4

.

C003107

Left hand front

wheel speed

sensor (WSS) -

mechanical fault

•

WSS faulty/incorrectly
installed

•

WSS or ring
missing/damaged

•

Excessive gap between
sensor and ring

Check the condition and fitment of

the WSS.

Front Wheel Speed Sensor

(70.60.03)

Check the WSS ring for

damage/contamination. Check the

•

Incorrect ring (number of
teeth)

steering and suspension for

excessive play. Check the WSS ring

for correct specification.

C003307

Right hand front

wheel speed

sensor ring

•

Contamination or debris
on the WSS ring

•

WSS ring distorted

•

Excessive vibration

Check the WSS ring for

damage/contamination (the sensor

ring is part of the hub and can only

be inspected by removing the

sensor).

Front Wheel Speed Sensor

(70.60.03)

Check the steering and

suspension for excessive play which

could cause vibration.

C003401

Right hand front

wheel speed

sensor (WSS) -

signal current out

of range

•

WSS signal circuit: short
circuit to ground

•

WSS signal circuit: short
circuit to power

•

WSS signal circuit: high
resistance

For right hand front WSS tests, GO

to Pinpoint Test

G531322p5

.

C003407

Right hand front

wheel speed

sensor (WSS) -

mechanical fault

•

WSS faulty/incorrectly
installed

•

WSS or ring
missing/damaged

•

Excessive gap between
sensor and ring

•

Incorrect ring (number of
teeth)

Check the condition and fitment of

the WSS.

Front Wheel Speed Sensor

(70.60.03)

Check the WSS ring for

damage/contamination. Check the

steering and suspension for

excessive play. Check the WSS ring

for correct specification.

C003607

Left hand rear

wheel speed

sensor (WSS) ring

•

Contamination or debris
on the WSS ring

•

WSS ring distorted

•

Excessive vibration

Check the WSS ring for

damage/contamination. Check the

suspension for excessive play which

could cause vibration.

C003701

Left hand rear

wheel speed

sensor (WSS) -

signal current out

of range

•

WSS signal circuit: short
circuit to ground

•

WSS signal circuit: short
circuit to power

•

WSS signal circuit: high
resistance

For left hand rear WSS tests, GO to

Pinpoint Test

G531322p6

.

C003707

Left hand rear

wheel speed

sensor (WSS) -

•

WSS faulty/incorrectly
installed

•

WSS or ring
missing/damaged

•

Excessive gap between

Check the condition and fitment of

the WSS.

Rear Wheel Speed Sensor

(70.60.04)

Check the WSS ring for

www.

mechanical fault

sensor and ring

•

Incorrect ring (number of
teeth)

damage/contamination. Check the

suspension for excessive play. Check

the WSS ring for correct

specification.

C003907

Right hand rear

wheel speed

sensor (WSS) ring

•

Contamination or debris
on the WSS ring

•

WSS ring distorted

•

Excessive vibration

Check the WSS ring for

damage/contamination. Check the

suspension for excessive play which

could cause vibration.

C003A01

Right hand rear

wheel speed

sensor (WSS) -

signal current out

of range

•

WSS signal circuit: short
circuit to ground

•

WSS signal circuit: short
circuit to power

•

WSS signal circuit: high
resistance

For right hand rear WSS tests, GO to

Pinpoint Test

G531322p7

.

C003A07

Right hand rear

wheel speed

sensor (WSS) -

mechanical fault

•

WSS faulty/incorrectly
installed

•

WSS or ring
missing/damaged

•

Excessive gap between
sensor and ring

•

Incorrect ring (number of
teeth)

Check the condition and fitment of

the WSS.

Rear Wheel Speed Sensor

(70.60.04)

Check the WSS ring for

damage/contamination. Check the

suspension for excessive play. Check

the WSS ring for correct

specification.

C004064 Brake pedal switch

•

Brake pedal switch
circuit: short circuit to
ground

•

Brake pedal switch
circuit: short circuit to
power

•

Brake pedal switch
circuit: high resistance

•

Brake pedal switch
failure

For brake switch circuit tests, GO to

Pinpoint Test

G531322p2

.

C004401

Brake pressure

sensor A

•

Sensor failure The sensor
is internal to the control
module

Refer to the warranty policy and

procedures manual if a module is

suspect.

C004428

Brake pressure

sensor

•

Sensor failure The sensor
is internal to the control
module

Refer to the warranty policy and

procedures manual if a module is

suspect.

C004464 Brake pressure

•

Sensor failure The sensor
is internal to the control

Refer to the warranty policy and

sensor

module

procedures manual if a module is

suspect.

C00447A

Brake pressure

sensor - cross

check failure

•

Internal hydraulic
leak/seal failure

Refer to the warranty policy and

procedures manual if a module is

suspect.

C004701

Booster pressure

sensor

•

Booster pressure sensor
circuit: short circuit to
ground

•

Booster pressure sensor
circuit: short circuit to
power

•

Booster pressure sensor
circuit: high resistance

•

Booster pressure sensor
failure

For booster pressure sensor tests,

GO to Pinpoint Test

G531322p8

.

C004728

Booster pressure

sensor

•

Booster pressure sensor
circuit: short circuit to
ground

•

Booster pressure sensor
circuit: short circuit to
power

•

Booster pressure sensor
circuit: high resistance

•

Booster pressure sensor
failure

For booster pressure sensor tests,

GO to Pinpoint Test

G531322p8

.

C004762

Booster pressure

sensor

•

Brake hydraulic circuit
failure

•

Booster pressure sensor
failure

Check the brake hydraulic circuits.

Check the master cylinder, etc.

Brake System

C004764

Booster pressure

sensor

•

Booster pressure sensor
circuit: short circuit to
ground

•

Booster pressure sensor
circuit: short circuit to
power

•

Booster pressure sensor
circuit: high resistance

•

Booster pressure sensor
failure

For booster pressure sensor tests,

GO to Pinpoint Test

G531322p8

.

C005101

Steering wheel

rotation sensor

•

Sensor power circuit fault

•

Sensor ground circuit
fault

•

Sensor signal circuit fault

For steering wheel rotation sensor

tests, GO to Pinpoint Test

G531322p9

.

www.