Jaguar XJ (X350). Manual — part 244

•

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. This circuit includes the splice IPS10. For additional information,

refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.

-> No

GO to Pinpoint Test

G307559t32

.

G307559t32 : CHECK THE YAW/LATERAL RATE SENSOR GROUND CIRCUIT
FOR SHORT TO B+

1. Measure the voltage between IP23, pin 05 (BK) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes

REPAIR the short circuit. This circuit includes the splice IPS10. 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.

PINPOINT TEST G307559p8 : C1285;
ACTIVE BOOSTER SOLENOID
CIRCUIT FAILURE

G307559t33 : CHECK THE ACTIVE BOOSTER SOLENOID SUPPLY VOLTAGE

1. Disconnect the booster solenoid electrical connector, EC03. 2. Turn the ignition switch to the ON

position. 3. Measure the voltage between EC03, pin 04 (RW) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

GO to Pinpoint Test

G307559t34

.

-> No

GO to Pinpoint Test

G307559t36

.

G307559t34 : CHECK THE ACTIVE BOOSTER SOLENOID 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 EC03, pin 04 (RW) and EC30, pin 17 (RW).

•

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

G307559t35

.

G307559t35 : CHECK THE ACTIVE BOOSTER SOLENOID SUPPLY CIRCUIT
FOR SHORT TO GROUND

1. Measure the resistance between EC03 pin 04 (RW) 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 ABS/DSC module failure.

G307559t36 : CHECK THE ACTIVE BOOSTER SOLENOID SIGNAL CIRCUIT FOR
HIGH RESISTANCE

1. Disconnect the ABS/DSC module electrical connector EC30. 2. Measure the resistance between

EC03, pin 03 (BW) and EC30, pin 31 (BW).

•

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

G307559t37

.

G307559t37 : CHECK THE ACTIVE BOOSTER SOLENOID SIGNAL CIRCUIT FOR
SHORT TO GROUND

1. Measure the resistance between EC03, pin 03 (BW) and GROUND.

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•

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 G307559p10 :
C1286,C1287; PEDAL FORCE SWITCH
CIRCUIT FAILURE

G307559t31 : CHECK THE PEDAL FORCE SWITCH FUNCTION NORMALLY
CLOSED

1. Disconnect the brake pedal force switch electrical connector EC03. 2. With the brake pedal in the

rest position, measure the resistance between pins 02 and 05 of the switch.

•

Is the resistance greater than 5 ohms?

-> Yes

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

the system for normal operation.

-> No

GO to Pinpoint Test

G307559t68

.

G307559t68 : CHECK THE PEDAL FORCE SWITCH FUNCTION NORMALLY
OPEN

1. With the brake pedal depressed, measure the resistance between pins 03 and 05 of the switch.

•

Is the resistance greater than 5 ohms?

-> Yes

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

the system for normal operation.

-> No

GO to Pinpoint Test

G307559t38

.

G307559t38 : CHECK THE PEDAL FORCE SWITCH SUPPLY VOLTAGE

1. Turn the ignition switch to the ON position. 2. Measure the voltage between EC03, pin 05 (WG)

and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

GO to Pinpoint Test

G307559t39

.

-> No

GO to Pinpoint Test

G307559t41

.

G307559t39 : CHECK THE PEDAL FORCE SWITCH 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 EC03, pin 05 (WG) and EC30, pin 28 (wG).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test

G307559t40

.

-> No

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

DTC. TEST the system for normal operation.

G307559t40 : CHECK THE PEDAL FORCE SWITCH SUPPLY CIRCUIT FOR
SHORT TO GROUND

1. Measure the resistance between EC03, pin 5 (WG) 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 ABS/DSC module failure.

G307559t41 : CHECK THE BRAKE PEDAL FORCE SWITCH SIGNAL (NC)
CIRCUIT FOR HIGH RESISTANCE

1. Measure the resistance between EC03, pin 02 (YR) and EC30, pin 30 (YR).

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