Jaguar XJ (X350). Manual — part 1125

2. Rear electronic control module (REM) connector, CR04

Circuit

Pin

Critical fuel level switch - signal 13

3. Rear electronic control module (REM) connector, CR11

Circuit

Pin

Critical fuel level switch - signal return 23

4. Key off. 5. Disconnect the fuel pump module connector, FP13. 6. Measure the resistance between:

FP13, component side FP13, component side

Pin 05

Pin 06

Is the resistance between 425 and 440 ohms?

-> Yes

GO to Pinpoint Test G552807t25.

-> No

INSTALL a new fuel pump module.

Fuel Pump Module - 2.7L V6 - TdV6 (19.45.08) Report the findings in an electronic product quality

report (EPQR).

G552807t25 : CHECK THE CRITICAL FUEL LEVEL SWITCH RESISTANCE
(EMPTY)

1. Remove and drain the fuel pump module. 2. Measure the resistance between:

FP13, component side FP13, component side

Pin 05

Pin 06

Is the resistance between 100 and 105 ohms?

-> Yes

GO to Pinpoint Test G552807t4.

-> No

INSTALL a new fuel pump module.

Fuel Pump Module - 2.7L V6 - TdV6 (19.45.08) Report the findings in an electronic product quality

report (EPQR).

G552807t4 : CHECK THE CRITICAL FUEL LEVEL SWITCH SIGNAL CIRCUIT
FOR SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

FP13, harness side

Battery

Pin 06

Negative terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G552807t5.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test

the system for normal operation.

G552807t5 : CHECK THE CRITICAL FUEL LEVEL SWITCH SIGNAL CIRCUIT
FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

FP13, harness side

Battery

Pin 06

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G552807t45.

-> No

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REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test

the system for normal operation.

G552807t45 : CHECK THE CRITICAL FUEL LEVEL SWITCH SIGNAL RETURN
CIRCUIT FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

FP13, harness side

Battery

Pin 05

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G552807t1.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test

the system for normal operation.

G552807t1 : CHECK THE CRITICAL FUEL LEVEL SWITCH SIGNAL CIRCUIT
FOR HIGH RESISTANCE

1. Disconnect the REM electrical connector, CR04. 2. Measure the resistance between:

FP13, harness side CR04, harness side

Pin 06

Pin 13

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test G552807t47.

-> No

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

DTCs, test the system for normal operation.

G552807t47 : CHECK THE CRITICAL FUEL LEVEL SWITCH SIGNAL RETURN
CIRCUIT FOR HIGH RESISTANCE

1. Disconnect the REM electrical connector, CR11. 2. Measure the resistance between:

FP13, harness side CR11, harness side

Pin 05

Pin 23

Is the resistance less than 10 ohms?

-> Yes

Check the fuel pump module relay, GO to Pinpoint Test G552807p4.

-> No

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

DTCs, test the system for normal operation.

PINPOINT TEST G552807p3 : RIGHT
HAND FUEL LEVEL SENDER

G552807t6 : CHECK THE RIGHT HAND FUEL LEVEL SENDER SIGNAL CIRCUIT
FOR SHORT CIRCUIT TO GROUND

1. Fuel pump module connector, FP13

Circuit

Pin

Fuel level sender - signal

02

Fuel level sender - signal return 01

2. Rear electronic control module (REM) connector, CR04

Circuit

Pin

Fuel level sender - signal 15

3. Rear electronic control module (REM) connector, CR11

Circuit

Pin

Fuel level sender - signal return 23

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