Jaguar XJ (X350). Manual — part 259

IP037, harness side

Battery

01

Negative terminal

•

Is the voltage greater than 4 volts?

-> Yes

GO to Pinpoint Test

G531322t46

.

-> No

GO to Pinpoint Test

G531322t44

.

G531322t44 : CHECK THE STEERING WHEEL ROTATION SENSOR POWER
SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

IP037, harness side

Battery

01

Positive terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test

G531322t45

.

-> No

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

the system for normal operation by turning the steering from the center position to full right hand

lock, to full left hand lock and back to the center position before road testing the vehicle on roads

requiring steering input.

G531322t45 : CHECK THE STEERING WHEEL ROTATION SENSOR POWER
SUPPLY CIRCUIT FOR HIGH RESISTANCE

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

FH110, harness side EC030, harness side

Pin 01

Pin 05

•

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 turning the steering from the center position to full

right hand lock, to full left hand lock and back to the center position before road testing the vehicle

on roads requiring steering input.

G531322t46 : CHECK THE GROUND CIRCUIT TO THE STEERING WHEEL
ROTATION SENSOR

1. Measure the resistance between:

FH110, harness side

Battery

Pin 04

Negative terminal

•

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test

G531322t50

.

-> No

GO to Pinpoint Test

G531322t47

.

G531322t47 : CHECK THE STEERING WHEEL ROTATION SENSOR GROUND
CIRCUIT FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

FH110, harness side

Battery

Pin 04

Positive terminal

•

Is the resistance greater than 10 Kohms?

www.

-> Yes

GO to Pinpoint Test

G531322t49

.

-> No

GO to Pinpoint Test

G531322t48

.

G531322t48 : 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:

FH110, harness side

Battery

Pin 04

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 turning the steering from the center position to full right hand

lock, to full left hand lock and back to the center position before road testing the vehicle on roads

requiring steering input.

G531322t49 : CHECK THE STEERING WHEEL ROTATION SENSOR GROUND
CIRCUIT FOR HIGH RESISTANCE

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

FH110, harness side EC030, harness side

Pin 04

Pin 40

•

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 turning the steering from the center position to full

right hand lock, to full left hand lock and back to the center position before road testing the vehicle

on roads requiring steering input.

G531322t50 : CHECK THE STEERING WHEEL ROTATION SENSOR SIGNAL A
CIRCUIT FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

FH110, harness side

Battery

Pin 03

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test

G531322t52

.

-> No

GO to Pinpoint Test

G531322t51

.

G531322t51 : 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:

FH110, harness side

Battery

Pin 03

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 turning the steering from the center position to full right hand

www.