Jaguar XJ (X350). Manual — part 1351

box (fuse 34) and the ignition switch. For additional information, refer to the wiring diagrams. TEST

the system for normal operation.

-> No

GO to Pinpoint Test G239843t65.

G239843t65 : CHECK THE GROUND TO THE NSM

1. Measure the resistance between TL02, pin 02 (BK) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes

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

system for normal operation.

-> No

CHECK for DTCs indicating a wake-up circuit or optical ring fault. REFER to the DTC index.

PINPOINT TEST G239843p12 : CHECK
THE SUPPLIES AND GROUNDS TO THE
ICE HEAD UNIT

G239843t66 : CHECK THE PERMANENT SUPPLY TO THE HU

1. Disconnect the HU electrical connector, CC08. 2. Measure the voltage between CC08, pin 11 (NW)

and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the NU and battery. This circuit includes the primary junction box (fuse

38). For additional information, refer to the wiring diagrams. TEST the system for normal operation.

-> No

GO to Pinpoint Test G239843t67.

G239843t67 : CHECK THE ACCESSORY SUPPLY TO THE HU

1. Turn the ignition switch to the ACC position. 2. Measure the voltage between CC08, pin 02 (YR)

and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the HU and battery. This circuit includes the primary junction box (fuse

11) and the ignition switch. For additional information, refer to the wiring diagrams. TEST the system

for normal operation.

-> No

GO to Pinpoint Test G239843t68.

G239843t68 : CHECK THE GROUND TO THE HU

1. Measure the resistance between CC08, pin 01 (B) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes

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

system for normal operation.

-> No

CHECK for DTCs indicating a network or module fault. REFER to the DTC index.

PINPOINT TEST G239843p13 : CHECK
THE SUPPLIES AND GROUNDS TO THE
FRONT ELECTRONIC MODULE

G239843t69 : CHECK THE PERMANENT SUPPLY TO THE FEM

1. Disconnect the FEM electrical connector, CR09. 2. Measure the voltage between CR09, pin 06

(NW) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the FEM and battery. This circuit includes the primary junction box (fuse

42). For additional information, refer to the wiring diagrams. TEST the system for normal operation.

-> No

GO to Pinpoint Test G239843t70.

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G239843t70 : CHECK THE SWITCHED SYSTEM POWER (SSP) SUPPLY TO THE
FEM

1. Reconnect the FEM electrical connector, CR09. 2. Disconnect the FEM electrical connector, CR01.

3. Make sure the SSP relay is energized. 4. Measure the voltage between CR01, pins 07 and 08 (NW)

and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the FEM and battery. This circuit includes the primary junction box (fuse

47) and the SSP relay. For additional information, refer to the wiring diagrams. TEST the system for

normal operation.

-> No

GO to Pinpoint Test G239843t71.

G239843t71 : CHECK THE GROUND TO THE FEM

1. Reconnect the FEM electrical connector, CR01. 2. Disconnect the FEM electrical connector, CR10.

3. Measure the resistance between CR10, pins 11 and 13 (B) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes

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

system for normal operation.

-> No

CHECK for DTCs indicating a network or module fault. REFER to the DTC index.

PINPOINT TEST G239843p14 : CHECK
THE SUPPLIES AND GROUNDS TO THE
REAR ELECTRONIC MODULE

G239843t72 : CHECK THE PERMANENT SUPPLY TO THE REM

1. Disconnect the REM electrical connector, CR04. 2. Measure the voltage between CR04, pin 03

(NW) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the REM and battery. This circuit includes the primary junction box (fuse

42). For additional information, refer to the wiring diagrams. TEST the system for normal operation.

-> No

GO to Pinpoint Test G239843t73.

G239843t73 : CHECK THE SWITCHED SYSTEM POWER (SSP) SUPPLY TO THE
REM

1. Reconnect the REM electrical connector, CR04. 2. Disconnect the REM electrical connector, CR13.

3. Make sure the SSP relay is energized. 4. Measure the voltage between CR13, pin 06 (N) and

GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the REM and battery. This circuit includes the primary junction box (fuse

13) and the SSP relay. For additional information, refer to the wiring diagrams. TEST the system for

normal operation.

-> No

GO to Pinpoint Test G239843t74.

G239843t74 : CHECK THE GROUND TO THE REM

1. Reconnect the REM electrical connector, CR13. 2. Disconnect the REM electrical connector, CR11.

3. Measure the resistance between CR11, pins 11 and 25 (B) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes

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

system for normal operation.

-> No

CHECK for DTCs indicating a network or module fault. REFER to the DTC index.

PINPOINT TEST G239843p15 : CHECK
THE SUPPLIES AND GROUNDS TO THE
REAR MEMORY MODULE (RMM)

G239843t75 : CHECK THE PERMANENT SUPPLY (1) TO THE REM

1. Disconnect the RMM electrical connector, CR41. 2. Measure the voltage between CR41, pin 06

(NR) and GROUND.

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