Jaguar XJ (X350). Manual — part 1118

GO to Pinpoint Test G532449t24.

G532449t24 : CHECK THE ECM TO REM DRIVE CIRCUIT FOR SHORT CIRCUIT
TO POWER

1. Measure the resistance between:

REM connector CR11, harness side

Battery

Pin 19

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 G532449t22.

G532449t22 : CHECK THE ECM TO REM DRIVE CIRCUIT FOR HIGH
RESISTANCE

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

REM connector CR11, harness side ECM connector EC300, harness side

Pin 19

Pin 20

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 REM 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 G532449p7 : ECM TO
FPDM MONITOR AND CONTROL
CIRCUITS (V8 VEHICLES WITH
SUPERCHARGER)

G532449t21 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Key off. 2. Disconnect the FPDM electrical connector, FP26. 3. Measure the resistance between:

FPDM connector FP26, harness side

Battery

Pin 04

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 G532449t28.

G532449t28 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

FPDM connector FP26, harness side

Battery

Pin 04

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

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GO to Pinpoint Test G532449t30.

G532449t30 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Measure the resistance between:

FPDM connector FP26, 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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t31.

G532449t31 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

FPDM connector FP26, 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, test

the system for normal operation.

-> No

GO to Pinpoint Test G532449t32.

G532449t32 : CHECK THE ECM TO FPDM MONITOR CIRCUIT FOR HIGH
RESISTANCE

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

FPDM connector FP26, harness side ECM connector EC300, harness side

Pin 04

Pin 21

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 G532449t33.

G532449t33 : CHECK THE ECM TO FPDM CONTROL CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

FPDM connector FP26, harness side ECM connector EC300, harness side

Pin 03

Pin 20

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 module 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 G532449p6 : FUEL
PUMP POWER AND GROUND
CIRCUITS (V6 AND V8 VEHICLES
WITHOUT SUPERCHARGER)

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