Jaguar XJ (X350). Manual — part 245

•

Is the resistance greater than 5 ohms?

-> Yes

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

DTC. TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t42

.

G307559t42 : CHECK THE BRAKE PEDAL FORCE SWITCH SIGNAL CIRCUIT
(NC) FOR SHORT TO GROUND

1. Measure the resistance between EC03, pin 02 (YR) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes

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

TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t43

.

G307559t43 : CHECK THE BRAKE PEDAL FORCE SWITCH SIGNAL CIRCUIT
(NO) FOR HIGH RESISTANCE

1. Measure the resistance between EC03, pin 01 (YU) and EC30, pin 31 (YU).

•

Is the resistance greater than 5 ohms?

-> Yes

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

DTC. TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t44

.

G307559t44 : CHECK THE BRAKE PEDAL FORCE SWITCH SIGNAL CIRCUIT
(NO) FOR SHORT TO GROUND

1. Measure the resistance between EC03, pin 02 (YR) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes

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

TEST the system for normal operation.

-> No

Contact dealer technical support for advice on possible active booster failure. CLEAR the DTC. TEST

the system for normal operation. If the DTC is repeated, contact dealer technical support for advice

on possible ABS/DSC module failure.

PINPOINT TEST G307559p11 : B1231,
C1288, C1440, C1997; PRESSURE
SENSOR MAIN/PRIMARY 5 VOLT
SUPPLY CIRCUIT FAILURE

G307559t45 : CHECK THE PRESSURE SENSOR 5 VOLT SUPPLY

1. Turn the ignition switch to the OFF position. 2. Disconnect the pressure sensor electrical connector

EC34. 3. Turn the ignition switch to the ON position. 4. Measure the voltage between EC34, pin 01

(BG) and GROUND. 5. Measure the voltage between EC34, pin 03 (YU) and GROUND.

•

Is either voltage less than 5 volts?

-> Yes

GO to Pinpoint Test

G307559t46

.

-> No

GO to Pinpoint Test

G307559t6

.

G307559t46 : CHECK THE PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT FOR
HIGH RESISTANCE

1. Turn the ignition switch to the OFF position. 2. Disconnect the ABS/DSC module electrical

connector EC30. 3. Measure the resistance between the EC34, pin 03 (YU) and EC30, pin 18 (GU).

•

Is the resistance greater than 5 ohms?

-> Yes

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

DTC. TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t48

.

www.

G307559t48 : CHECK THE PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT FOR
SHORT TO GROUND

1. Measure the resistance between EC34, pin 03 (YU) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes

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

TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t49

.

G307559t6 : CHECK THE GROUND TO THE PRESSURE SENSOR

1. Measure the resistance between EC34, pin 01 (BG) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test

G307559t47

.

-> No

Contact dealer technical support for advice on possible ABS/DSC module failure.

G307559t47 : CHECK THE PRESSURE SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between EC34, pin 01 (BG) and EC30, pin 19 (BG).

•

Is the resistance greater than 5 ohms?

-> Yes

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

DTC. TEST the system for normal operation.

-> No

Contact dealer technical support for advice on possible ABS/DSC module failure.

G307559t49 : CHECK THE PRESSURE SENSOR GROUND CIRCUIT FOR SHORT
TO B+

1. Measure the voltage between the pressure sensor electrical connector EC34, pin 01 (BG) and

GROUND.

•

Is the voltage greater than 3 volts?

-> Yes

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the

system for normal operation.

-> No

GO to Pinpoint Test

G307559t50

.

G307559t50 : CHECK THE PRESSURE SENSOR SIGNAL CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between EC34, pin 02 (GU) and EC30, pin 20 (GU).

•

Is the resistance greater than 5 ohms?

-> Yes

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

DTC. TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t51

.

G307559t51 : CHECK THE PRESSURE SENSOR SIGNAL CIRCUIT FOR SHORT
TO GROUND

1. Measure the resistance between EC34, pin 02 (GU) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes

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

TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t52

.

G307559t52 : CHECK THE PRESSURE SENSOR SIGNAL CIRCUIT FOR SHORT
TO B+

1. Measure the voltage between EC34, pin 02 (GU) and GROUND.

•

Is the voltage greater than 5 volts?

-> Yes

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

TEST the system for normal operation.

www.