Jaguar XJ (X350). Manual — part 1354

-> Yes

REPAIR the circuit between the IC and battery. This circuit includes the primary junction box (fuse 08)

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

normal operation.

-> No

GO to Pinpoint Test G239843t98.

G239843t98 : CHECK THE IGNITION SUPPLY (1) TO THE IC

1. Turn the ignition switch to the ON position. 2. Measure the voltage between IP05, pin 03, (GR) and

GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the IC and battery. This circuit includes the primary junction box (fuse 06)

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

normal operation.

-> No

GO to Pinpoint Test G239843t99.

G239843t99 : CHECK THE IGNITION SUPPLY (2) TO THE IC

1. Turn the ignition switch to the OFF position. 2. Reconnect the IC electrical connector, IP05. 3.

Disconnect the IC electrical connector, IP06. 4. Turn the ignition switch to the ON position. 5.

Measure the voltage between IP06, pin 17, (WB) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the IC and battery. This circuit includes the primary junction box (fuse 06)

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

normal operation.

-> No

GO to Pinpoint Test G239843t100.

G239843t100 : CHECK THE GROUND TO THE IC

1. Turn the ignition switch to the OFF position. 2. Reconnect the IC electrical connector, IP06. 3.

Disconnect the IC electrical connector, IP05. 4. Measure the resistance between IP05, pin 14 (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 G239843p31 : CHECK
THE SUPPLIES AND GROUNDS TO THE
J-GATE MODULE (JGM)

G239843t101 : CHECK THE IGNITION SUPPLY TO THE JGM

1. Disconnect the JGM electrical connector, IP32. 2. Measure the voltage between IP32, pin 01 (GO)

and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

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

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

for normal operation.

-> No

GO to Pinpoint Test G239843t102.

G239843t102 : CHECK THE GROUND TO THE JGM

1. Measure the resistance between IP32, pin 02 (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 G239843p32 : CHECK
THE SUPPLIES AND GROUNDS TO THE

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AIR CONDITIONING CONTROL
MODULE (A/CCM)

G239843t103 : CHECK THE IGNITION SUPPLY TO THE A/CCM

1. Disconnect the A/CCM electrical connector, CR119. 2. Turn the ignition switch to the ON position.

3. Measure the voltage between CR119, pin 03 (WG) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the A/CCM and battery. This circuit includes the primary junction box

(fuse 01) and the ignition switch. For additional information, refer to the wiring diagrams. TEST the

system for normal operation.

-> No

GO to Pinpoint Test G239843t104.

G239843t104 : CHECK THE SWITCHED SYSTEM POWER (SSP) SUPPLY TO
THE A/CCM

1. Make sure the SSP relay is energized. 2. Measure the voltage between CR119, pin 02 (N) and

GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the A/CCM and battery. This circuit includes the primary junction box

(fuse 28). For additional information, refer to the wiring diagrams. TEST the system for normal

operation.

-> No

GO to Pinpoint Test G239843t105.

G239843t105 : CHECK THE SYSTEM GROUND TO THE A/CCM

1. Measure the resistance between CR119, pin 22 (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 G239843p33 : CHECK
THE SUPPLIES AND GROUNDS TO THE
DYNAMIC STABILITY CONTROL
MODULE (DSCCM)

G239843t106 : CHECK THE PERMANENT SUPPLIES TO THE DSCCM

1. Disconnect the DSCCM electrical connector, EC30. 2. Measure the voltage between EC30, pins 01

(NR) and 32 (NW) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the DSCCM and battery. This circuit includes the front power distribution

box (fuses 20 and 22). For additional information, refer to the wiring diagrams. TEST the system for

normal operation.

-> No

GO to Pinpoint Test G239843t107.

G239843t107 : CHECK THE IGNITION SUPPLY TO THE DSCCM

1. Turn the ignition switch to the ON position. 2. Measure the voltage between EC30, pins 04 (W) and

GROUND.

•

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the DSCCM and battery. This circuit includes the primary junction box

(fuse 17) and the ignition switch. 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 G239843p34 : CHECK
THE SUPPLIES AND GROUNDS TO THE

www.