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.
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