Jaguar XJ (X350). Service manual — part 1346

G239843t43 : CHECK THE ISO CIRCUIT BETWEEN THE RIGHT-HAND HID
AND THE DLC FOR HIGH RESISTANCE

1. Disconnect the battery negative terminal. 2. Disconnect the HID electrical connector, EC06. 3.

Measure the resistance between EC06, pin 05 (W) and pin 07 of the DLC (W).

•

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

GO to Pinpoint Test G239843t44.

G239843t44 : CHECK THE ISO CIRCUIT BETWEEN THE LEFT-HAND HID AND
THE DLC FOR HIGH RESISTANCE

1. Reconnect the HID electrical connector, EC06. 2. Disconnect the HID electrical connector, EC57. 3.

Measure the resistance between EC57, pin 05 (W) and pin 07 of the DLC (W).

•

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

GO to Pinpoint Test G239843t45.

G239843t45 : CHECK THE ISO CIRCUIT BETWEEN THE ECM AND THE DLC
FOR HIGH RESISTANCE

1. Reconnect the HID electrical connector, EC57. 2. Disconnect the ECM electrical connector, PI01. 3.

Measure the resistance between PI01, pin 105 (W) and pin 07 of the DLC (W).

•

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

GO to Pinpoint Test G239843t46.

G239843t46 : CHECK THE ISO CIRCUIT BETWEEN THE PARKING AID
MODULE AND THE DLC FOR HIGH RESISTANCE

1. Reconnect the ECM electrical connector, PI01. 2. Disconnect the parking aid control module

electrical connector, CR52. 3. Measure the resistance between CR52, pin 05 (W) and pin 07 of the

DLC (W).

•

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

GO to Pinpoint Test G239843t47.

G239843t47 : CHECK THE ISO CIRCUIT BETWEEN THE INTRUSION SENSOR
AND THE DLC FOR HIGH RESISTANCE

1. Reconnect the parking aid control module electrical connector, CR52. 2. Disconnect the intrusion

sensor electrical connector, RF03. 3. Measure the resistance between RF03, pin 08 (W) and pin 07 of

the DLC (W).

•

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

GO to Pinpoint Test G239843t48.

G239843t48 : CHECK THE ISO CIRCUIT BETWEEN THE AIRBAG MODULE
AND THE DLC FOR HIGH RESISTANCE

1. Reconnect the intrusion sensor electrical connector, RF03. 2. Disconnect the airbag module

electrical connector, CR86. 3. Measure the resistance between CR86, pin 11 (W) and pin 07 of the

DLC (W).

•

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

www.

Reconnect the airbag module electrical connector, CR86. If a module fault is still suspected, check the

module power supplies and GROUNDS.

PINPOINT TEST G239843p5 : ONE OR
MORE D2B MODULES NOT
RESPONDING. WAKE-UP SIGNAL
FAULT

G239843t255 : CHECK THE WAKE-UP SIGNAL TO THE CD CHANGER

1. Disconnect the CD changer electrical connector TLO5. 2. Turn the ignition switch to the ACC

position. 3. Measure the voltage between TLO5 pin 03 (OG) and GROUND, using an oscilloscope (see

note above).

•

Does the oscilloscope show a wake-up signal as described?

-> Yes

GO to Pinpoint Test G239843t256.

-> No

REPAIR the circuit between TLO5 pin 03 and ACU electrical connector CC08 pin 19. For additional

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

G239843t256 : CHECK THE WAKE-UP SIGNAL TO THE PHONE MODULE

1. Disconnect the phone module electrical connector TLO7. 2. Turn the ignition switch to the ACC

position. 3. Measure the voltage between TLO7 pin 23 (OG) and GROUND, using an oscilloscope (see

note above).

•

Does the oscilloscope show a wake-up signal as described?

-> Yes

GO to Pinpoint Test G239843t257.

-> No

REPAIR the circuit between TLO7 pin 23 and audio control module electrical connector CC08 pin 19.

For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal

operation.

G239843t257 : CHECK THE WAKE-UP SIGNAL TO THE VOICE ACTIVATED
CONTROL MODULE

1. Disconnect the voice activated control module electrical connector TL68. 2. Turn the ignition

switch to the ACC position. 3. Measure the voltage between TL68 pin 14 (OG) and GROUND, using an

oscilloscope (see note above).

•

Does the oscilloscope show a wake-up signal as described?

-> Yes

GO to Pinpoint Test G239843t258.

-> No

REPAIR the circuit between TL68 pin 14 and audio control module electrical connector CC08 pin 19.

For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal

operation.

G239843t258 : CHECK THE WAKE-UP SIGNAL TO THE NAVIGATION
COMPUTER

1. Disconnect the navigation module electrical connector TLOO2. 2. Turn the ignition switch to the

ACC position. 3. Measure the voltage between TLO2 pin 03 (OG) and GROUND, using an oscilloscope

(see note above).

•

Does the oscilloscope show a wake-up signal as described?

-> Yes

GO to Pinpoint Test G239843t259.

-> No

REPAIR the circuit between TLO2 pin 03 and audio control module electrical connector CC08 pin 19.

For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal

operation.

G239843t259 : CHECK THE WAKE-UP SIGNAL TO THE AMP

1. Disconnect the amplifier electrical connector TLO9. 2. Turn the ignition switch to the ACC position.

3. Measure the voltage between TLO9 pin 05 (OG) and GROUND, using an oscilloscope (see note

above).

•

Does the oscilloscope show a wake-up signal as described?

-> Yes

GO to Pinpoint Test G239843t351.

-> No

www.