Jaguar XJ (X350). Manual — part 874

G531330t100 : CHECK THE FRP SENSOR SUPPLY CIRCUIT VOLTAGE

1. Disconnect the FRP sensor electrical connector, IL12. 2. Key on, engine off. 3. Measure the voltage

between:

FRP sensor connector IL12, harness side

Battery

Pin 01

Negative terminal

Is the voltage less than 4 volts?

-> Yes

REPAIR the 5 volt supply circuit between the FRP sensor and the ECM. For additional information,

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

-> No

GO to Pinpoint Test G531330t101.

G531330t101 : CHECK THE FRP SENSOR SUPPLY CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Key off. 2. Measure the resistance between:

FRP sensor connector IL12, harness side

Battery

Pin 01

Positive terminal

Is the resistance less than 10,000 ohms?

-> Yes

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

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t102.

G531330t102 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Measure the resistance between:

FRP sensor connector IL12, harness side

Battery

Pin 03

Negative terminal

Is the resistance less than 10,000 ohms?

-> Yes

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

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t107.

G531330t107 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

FRP sensor connector IL12, harness side

Battery

Pin 03

Positive terminal

Is the resistance less than 10,000 ohms?

-> Yes

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

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t108.

G531330t108 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the ECM sensor electrical connector, PI300. 2. Measure the resistance between:

FRP sensor connector IL12, harness side ECM connector PI300, harness side

Pin 03

Pin 71

Is the resistance greater than 5 ohms?

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-> Yes

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

DTC and test the system for normal operation.

-> No

GO to Pinpoint Test G531330t110.

G531330t110 : CHECK THE FRP SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

FRP sensor connector IL12, harness side ECM connector PI300, harness side

Pin 02

Pin 10

Is the resistance greater than 5 ohms?

-> Yes

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

DTC and test the system for normal operation.

-> No

INSTALL a new FRP sensor.

Fuel Rail Pressure (FRP) Sensor (18.30.98) CLEAR the DTC and test the system for normal operation.

PINPOINT TEST G531330p27 :
STARTER RELAY SIGNAL

G531330t87 : CHECK THE STARTER RELAY TO ECM CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Key off. 2. Remove the starter relay. 3. Measure the resistance between:

Starter relay base

Battery

Pin 02

Negative terminal

Is the resistance less than 10,000 ohms?

-> Yes

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

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t134.

G531330t134 : CHECK THE STARTER RELAY TO ECM CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

Starter relay base

Battery

Pin 02

Positive terminal

Is the resistance less than 10,000 ohms?

-> Yes

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

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t133.

G531330t133 : CHECK THE STARTER RELAY TO ECM CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the ECM electrical connector, EC300. 2. Measure the resistance between:

Starter relay base ECM connector EC300, harness side

Pin 02

Pin 51

Is the resistance greater than 5 ohms?

-> Yes

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

DTC and test the system for normal operation.

-> No

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