Jaguar XJ (X350). Service manual — part 257
EC095, harness side
Battery
Pin 02
Negative terminal
•
Is the resistance less than 10 ohms?
-> Yes
GO to Pinpoint Test
G531322t32
.
-> No
GO to Pinpoint Test
G531322t29
.
G531322t29 : CHECK THE BOOSTER PRESSURE SENSOR GROUND CIRCUIT
FOR SHORT CIRCUIT TO POWER
1. Measure the resistance between:
EC095, harness side
Battery
Pin 02
Positive terminal
•
Is the resistance greater than 10 Kohms?
-> Yes
GO to Pinpoint Test
G531322t31
.
-> No
GO to Pinpoint Test
G531322t30
.
G531322t30 : 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 02
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.
G531322t31 : CHECK THE BOOSTER PRESSURE SENSOR GROUND 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 02
Pin 27
•
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. If no fault is found in the harness, suspect the following
components: - Booster pressure sensor connector - ABS module connector - ABS module
-> 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.
G531322t32 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL A CIRCUIT
FOR SHORT CIRCUIT TO GROUND
1. Measure the resistance between:
EC095, harness side
Battery
Pin 04
Negative terminal
•
Is the resistance greater than 10 Kohms?
www.
-> Yes
GO to Pinpoint Test
G531322t34
.
-> No
GO to Pinpoint Test
G531322t33
.
G531322t33 : 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 04
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.
G531322t34 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL A CIRCUIT
FOR SHORT CIRCUIT TO POWER
1. Measure the resistance between:
EC095, harness side
Battery
Pin 04
Positive terminal
•
Is the resistance greater than 10 Kohms?
-> Yes
GO to Pinpoint Test
G531322t36
.
-> No
GO to Pinpoint Test
G531322t35
.
G531322t35 : 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 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 applying and releasing the brake pedal firmly three times with
the engine running.
G531322t36 : CHECK THE BOOSTER PRESSURE SENSOR SIGNAL B CIRCUIT
FOR SHORT CIRCUIT TO GROUND
1. Measure the resistance between:
EC095, harness side
Battery
Pin 01
Negative terminal
•
Is the resistance greater than 10 Kohms?
-> Yes
GO to Pinpoint Test
G531322t38
.
-> No
GO to Pinpoint Test
G531322t37
.
www.
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