Jaguar XJ (X350). Manual — part 1353

•

Is the voltage less than 10 volts?

-> Yes

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

28) and the SSP relay. 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 G239843p19 : CHECK
THE SUPPLIES AND GROUNDS TO THE
ENGINE CONTROL MODULE (ECM)

G239843t87 : CHECK THE PERMANENT SUPPLY TO THE ECM

1. Disconnect the ECM electrical connector, PI01. 2. Measure the voltage between PI01, pin 22 (NR)

and GROUND.

•

Is either voltage less than 10 volts?

-> Yes

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

box (fuse 17). For additional information, refer to the wiring diagrams. TEST the system for normal

operation.

-> No

GO to Pinpoint Test G239843t88.

G239843t88 : CHECK THE EMS SUPPLY TO THE ECM

1. Turn the ignition switch to the ON position. 2. Make sure the EMS relay is energized. 3. Measure

the voltage between PI01, pins 23 and 24 (WG) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

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

box (fuse 12) and the EMS relay. For additional information, refer to the wiring diagrams. TEST the

system for normal operation.

-> No

GO to Pinpoint Test G239843t89.

G239843t89 : CHECK THE POWER GROUND TO THE ECM

1. Measure the resistance between PI01, pin 04 (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 G239843p20 : CHECK
THE SUPPLIES AND GROUNDS TO THE
PARKING AID CONTROL MODULE
(PACM)

G239843t90 : CHECK THE IGNITION SUPPLY TO THE PACM

1. Disconnect the PACM electrical connector, CR52. 2. Turn the ignition switch to the ON position. 3.

Measure the voltage between CR52, pin 01 (WR) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

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

(fuse 32) and the ignition relay. For additional information, refer to the wiring diagrams. TEST the

system for normal operation.

-> No

GO to Pinpoint Test G239843t91.

G239843t91 : CHECK THE GROUND TO THE PACM

1. Measure the resistance between CR52, pin 03 (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.

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PINPOINT TEST G239843p21 : CHECK
THE SUPPLIES AND GROUNDS TO THE
INTRUSION SENSOR

G239843t92 : CHECK THE POWER SUPPLY TO THE INTRUSION SENSOR

1. Disconnect the intrusion sensor electrical connector, RF03. 2. ARM the security system. 3.

Measure the voltage between RF03, pin 06, (YU) and GROUND.

•

Is the voltage less than 5 volts?

-> Yes

REPAIR the circuit between the intrusion sensor and battery. This circuit includes the REM. For

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

-> No

GO to Pinpoint Test G239843t93.

G239843t93 : CHECK THE GROUND TO THE INTRUSION SENSOR

1. Measure the resistance between RF03, 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 G239843p22 : CHECK
THE SUPPLIES AND GROUNDS TO THE
RESTRAINTS CONTROL MODULE
(RCM)

G239843t94 : CHECK THE PERMANENT SUPPLY TO THE RCM

1. Disconnect the RCM electrical connector, CR86. 2. Measure the voltage between CR86, pin 12,

(WU) and GROUND.

•

Is the voltage less than 10 volts?

-> Yes

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

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

-> No

GO to Pinpoint Test G239843t95.

G239843t95 : CHECK THE GROUND TO THE RCM

1. Measure the resistance between CR86, pin 16 (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 G239843p23 : CHECK
THE SUPPLIES AND GROUNDS TO THE
INSTRUMENT CLUSTER (IC)

G239843t96 : CHECK THE PERMANENT SUPPLY TO THE IC

1. Disconnect the IC electrical connector, IP06. 2. Measure the voltage between IP06, pin 03, (O) 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

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

-> No

GO to Pinpoint Test G239843t97.

G239843t97 : CHECK THE ACCESSORY SUPPLY TO THE IC

1. Reconnect the IC electrical connector, IP06. 2. Disconnect the IC electrical connector, IP05. 3. Turn

the ignition switch to the ACC position. 4. Measure the voltage between IP05, pin 04, (YG) and

GROUND.

•

Is the voltage less than 10 volts?

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