Jaguar XJ (X350). Manual — part 1116

REM connector CR73, harness side

Battery

Pin 02

Negative terminal

4. Measure the resistance between:

REM connector CR71, harness side

Battery

Pin 15

Negative terminal

Is either 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

CHECK for DTCs indicating a REM or ECM fault. REFER to the DTC index.

Electronic Engine Controls - VIN Range: G45704->G99999 For vehicles with 3.0L engines and

Electronic Engine Controls - VIN Range: G45704->G99999 For vehicles with 3.5L and 4.2L engines.

PINPOINT TEST G532449p9 : FUEL
PUMP DRIVER MODULE (FPDM)
POWER AND GROUND CIRCUITS (V8
VEHICLES WITH SUPERCHARGER)

G532449t43 : CHECK THE POWER SUPPLY VOLTAGE TO THE FPDM

1. Disconnect the FPDM electrical connector, FP26. 2. Key on, engine off. 3. Make sure the fuel pump

relay is energized. 4. Measure the voltage between:

FPDM connector FP26, harness side

Battery

Pin 05

Negative terminal

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the battery and the FPDM. This circuit includes fuse 24 of the rear power

distribution box, the fuel pump relay and the mega fuses. For additional information, refer to the

wiring diagrams. CLEAR the DTC, test the system for normal operation.

-> No

GO to Pinpoint Test G532449t44.

G532449t44 : CHECK THE FPDM GROUND FOR HIGH RESISTANCE

1. Measure the resistance between:

FPDM connector FP26, harness side

Battery

Pin 06

Negative terminal

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

CHECK for DTCs indicating a FPDM or ECM fault.

Electronic Engine Controls - VIN Range: G45704->G99999 For vehicles with 3.0L engines and

Electronic Engine Controls - VIN Range: G45704->G99999 For vehicles with 3.5L and 4.2L engines.

PINPOINT TEST G532449p3 : FUEL
LEVEL SENSOR(S) CIRCUIT
RANGE/PERFORMANCE

G532449t7 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL
SENSOR A FOR SHORT CIRCUIT TO GROUND

1. Disconnect the fuel pump module electrical connector, FP06. 2. Measure the resistance between:

Fuel module connector FP06, harness side

Battery

Pin 12

Negative terminal

Is the resistance less than 10,000 ohms?

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-> 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 G532449t8.

G532449t8 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL
SENSOR A FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

Fuel module connector FP06, harness side

Battery

Pin 12

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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t10.

G532449t10 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL
SENSOR B FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

Fuel module connector FP06, harness side

Battery

Pin 14

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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t11.

G532449t11 : CHECK THE SIGNAL CIRCUIT BETWEEN THE REM AND LEVEL
SENSOR B FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

Fuel module connector FP06, harness side

Battery

Pin 14

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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t13.

G532449t13 : CHECK THE SIGNAL RETURN CIRCUIT BETWEEN THE REM
AND LEVEL SENSORS FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

Fuel module connector FP06, harness side

Battery

Pin 13

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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t14.

G532449t14 : CHECK THE SIGNAL RETURN CIRCUIT BETWEEN THE REM
AND LEVEL SENSORS FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

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