Jaguar XJ (X350). Manual — part 256

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation by driving the vehicle at more than 20 kph (12.5 mph) for more than

3 minutes.

G531322t103 : CHECK THE WSS SIGNAL CIRCUIT FOR SHORT CIRCUIT TO
GROUND

1. Measure the resistance between:

CV008, harness side

Battery

Pin 02

Negative terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test

G531322t104

.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation by driving the vehicle at more than 20 kph (12.5 mph) for more than

3 minutes.

G531322t104 : CHECK THE WSS SIGNAL CIRCUIT FOR HIGH RESISTANCE

1. Measure the resistance between:

CV008, harness side EC030, harness side

Pin 02

Pin 43

•

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test

G531322t105

.

-> No

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the

DTC, test the system for normal operation by driving the vehicle at more than 20 kph (12.5 mph) for

more than 3 minutes.

G531322t105 : CHECK THE WSS SIGNAL AND RETURN CIRCUITS FOR SHORT
CIRCUIT TO EACH OTHER

1. Measure the resistance between:

CV008, harness side CV008, harness side

Pin 01

Pin 02

•

Is the resistance greater than 100 Kohms?

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness. If no fault is found in the harness, suspect the following

components: - WSS connector - WSS - ABS module connector - ABS module

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation by driving the vehicle at more than 20 kph (12.5 mph) for more than

3 minutes.

PINPOINT TEST G531322p8 : BOOSTER
PRESSURE SENSOR

G531322t25 : CHECK THE POWER SUPPLY TO THE BOOSTER PRESSURE
SENSOR

1.

Circuit

Pin

Power supply 03

Signal A

04

www.

Signal B

01

Ground

02

2.

Circuit

Pin

Power supply 26

Signal A

38

Signal B

30

Ground

27

3. Key off. 4. Disconnect the booster pressure sensor connector, EC095. 5. Key on, engine off. 6.

Measure the voltage between:

EC095, harness side

Battery

Pin 03

Negative terminal

•

Is the voltage greater than 4 volts?

-> Yes

GO to Pinpoint Test

G531322t28

.

-> No

GO to Pinpoint Test

G531322t26

.

G531322t26 : CHECK THE BOOSTER PRESSURE SENSOR POWER SUPPLY
CIRCUIT FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

EC095, harness side

Battery

Pin 03

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test

G531322t27

.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation by applying and releasing the brake pedal firmly three times with

the engine running.

G531322t27 : CHECK THE BOOSTER PRESSURE SENSOR POWER SUPPLY
CIRCUIT FOR HIGH RESISTANCE

1. Key off. 2. Disconnect the ABS module connector, EC030. 3. Measure the resistance between:

EC095, harness side EC030, harness side

Pin 03

Pin 26

•

Is the resistance less than 10 ohms?

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness.

-> No

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the

DTC, test the system for normal operation by applying and releasing the brake pedal firmly three

times with the engine running.

G531322t28 : CHECK THE GROUND CIRCUIT TO THE BOOSTER PRESSURE
SENSOR

1. Measure the resistance between:

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