Jaguar XJ (X350). Manual — part 258

G531322t37 : CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS
OR THE MODULE

1. Key off. 2. Disconnect the ABS module connector, EC030. 3. Key on, engine off. 4. Measure the

resistance between:

EC095, harness side

Battery

Pin 01

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

Refer to the warranty policy and procedures manual if a module is suspect.

-> 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.

G531322t38 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL B CIRCUIT
FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

EC095, harness side

Battery

Pin 01

Positive terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test

G531322t40

.

-> No

GO to Pinpoint Test

G531322t39

.

G531322t39 : CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS
OR THE MODULE

1. Key off. 2. Disconnect the ABS module connector, EC030. 3. Key on, engine off. 4. Measure the

resistance between:

EC095, harness side

Battery

Pin 01

Positive terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

Refer to the warranty policy and procedures manual if a module is suspect.

-> 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.

G531322t40 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL A CIRCUIT
FOR HIGH RESISTANCE

1. Key off. 2. Disconnect the ABS module connector, EC030. 3. Key on, engine off. 4. Measure the

resistance between:

EC095, harness side EC030, harness side

Pin 04

Pin 38

•

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test

G531322t41

.

-> 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.

G531322t41 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL B CIRCUIT
FOR HIGH RESISTANCE

1. Measure the resistance between:

EC095, harness side EC030, harness side

Pin 01

Pin 30

www.

•

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test

G531322t42

.

-> 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.

G531322t42 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL A AND B
CIRCUITS FOR SHORT CIRCUIT TO EACH OTHER

1. Measure the resistance between:

EC095, harness side EC095, harness side

Pin 01

Pin 04

•

Is the resistance greater than 10 Kohms?

-> 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 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.

PINPOINT TEST G531322p9 :
STEERING WHEEL ROTATION
SENSOR

G531322t43 : CHECK THE POWER SUPPLY TO THE STEERING WHEEL
ROTATION SENSOR

1.

Circuit

Pin

Sensor power 01

Signal B

02

Signal A

03

Sensor return 04

2.

Circuit

Pin

Sensor power 05

Signal B

09

Signal A

41

Sensor return 40

3. Key off. 4. Disconnect the steering wheel rotation sensor connector, IP037. 5. Key on, engine off. 6.

Measure the voltage between:

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