Jaguar XJ (X350). Manual — part 1310

•

Is either resistance greater than 5 ohms?

-> Yes

INSTALL a new harness. For additional information, refer to the wiring diagrams.

-> No

For signal output from the control panel tests, GO to Pinpoint Test G240121p6.

.

G240121t5 : CHECK THE SIGNAL TO THE RIGHT-HAND REAR SCREEN
CONNECTOR VR01

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Reconnect the intermediate connector, TL91. 4. Reconnect the audio video module electrical

connector, TL87. 5. Disconnect the screen connector, VR01. 6. Turn the video/audio tester ON, and

to the TEST position by holding in the TEST button while selecting PAL or NTSC. The blue and red

LEDs will illuminate. 7. Turn the ignition switch to the ON position. 8. Using suitable adaptors, and an

assistant if necessary, connect the red oscilloscope probe to VR01, pin 15 (RW). 9. Using suitable

adaptors, and an assistant if necessary, connect the black oscilloscope probe to VR01, pin 09 (B).

•

Is the waveform similar to the example in Waveforms in this section?

-> Yes

INSTALL a new rear screen,

Video Display

-> No

GO to Pinpoint Test G240121t6.

G240121t6 : CHECK THE SIGNAL TO THE RIGHT-HAND REAR SCREEN
INTERMEDIATE CONNECTOR VR02

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Remove the seat back and disconnect the rear screen intermediate connector, VR02. 4. Turn the

video/audio tester ON, and to the TEST position by holding in the TEST button while selecting PAL or

NTSC. The blue and red LEDs will illuminate. 5. Turn the ignition switch to the ON position. 6. Using

suitable adaptors, and an assistant if necessary, connect the red oscilloscope probe to VR02, pin 15

(RW). 7. Using suitable adaptors, and an assistant if necessary, connect the black oscilloscope probe

to VR02, pin 09 (B).

•

Is the waveform similar to the example in Waveforms in this section?

-> Yes

INSTALL a new harness between VR02 and VR01. Test the system for normal operation.

-> No

GO to Pinpoint Test G240121t7.

G240121t7 : CHECK THE CIRCUIT BETWEEN INTERMEDIATE CONNECTORS,
VR02 AND TL91 FOR CONTINUITY

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Disconnect the intermediate connector, TL91. 4. Using suitable adaptors, measure the resistance

between TL91, pin 15 (RW) and VR02, pin 15 (RW). 5. Using suitable adaptors, measure the

resistance between TL91, pin 09 (B) and VR02, pin 09 (09).

•

Is either resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between VR02 and TL91. Test the system for normal operation.

-> No

The harness from the audio/video selector module checks out, GO to Pinpoint Test G240121p5.

and GO to Pinpoint Test G240121p7.

.

PINPOINT TEST G240121p3 : CHECK
THE PAL SIGNAL AT THE THE LEFT-
HAND SCREEN

G240121t8 : CHECK THE PAL SIGNAL AT THE LEFT-HAND SCREEN

1. Turn the ignition switch to the ACC position. 2. Set the rear entertainment control panel to AUX1

for both screens (refer to Selecting AUX1; AUX2 and Audio functions in this section). 3. Set the rear

screens to AUTO (refer to Selecting AUTO/PAL/NTSC in this section). 4. Connect the video/audio

tester to AUX1, video (yellow). 5. Select PAL on the video/audio tester, make sure the blue LED is

illuminated. 6. Observe the rear screen image.

•

Is the PAL test image displayed on the left-hand screen?

-> Yes

INSTALL a new left-hand screen,

Rear Passenger Entertainment Control Panel (The screen cannot decode a NTSC signal).

-> No

GO to Pinpoint Test G240121t9.

www.

G240121t9 : CHECK THE SIGNAL TO THE LEFT-HAND REAR SCREEN
INTERMEDIATE CONNECTOR TL91

1. Reposition the left-hand front seat fully forward and to the fully raised position. 2. Turn the

ignition switch to the OFF position. 3. Make sure the video/audio tester is switched OFF. 4.

Disconnect the intermediate connector, TL92. 5. Connect the oscilloscope. Refer to Oscilloscope set-

up procedure in this section. 6. Turn the video/audio tester ON, and to the TEST position by holding

in the TEST button while selecting PAL or NTSC. The blue and red LEDs will illuminate. 7. Turn the

ignition switch to the ON position. 8. Using suitable adaptors, and an assistant if necessary, connect

the red oscilloscope probe to TL92, pin 15 (RW). 9. Using suitable adaptors, and an assistant if

necessary, connect the black oscilloscope probe to TL92, pin 09 (B).

•

Is the waveform similar to the example in Waveforms in this section?

-> Yes

GO to Pinpoint Test G240121t11.

-> No

GO to Pinpoint Test G240121t10.

G240121t10 : CHECK THE CIRCUIT FROM THE AUDIO VIDEO SELECTOR
MODULE FOR CONTINUITY

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Disconnect the audio video module electrical connector, TL85. 4. Using suitable adaptors, measure

the resistance between TL92, pin 15 (RW) and TL85, pin 15 (RW). 5. Using suitable adaptors, measure

the resistance between TL92, pin 09 (B) and TL85, pin 09 (B).

•

Is either resistance greater than 5 ohms?

-> Yes

INSTALL a new harness. For additional information, refer to the wiring diagrams.

-> No

For signal output from the control panel tests, GO to Pinpoint Test G240121p6.

.

G240121t11 : CHECK THE SIGNAL TO THE LEFT-HAND REAR SCREEN
CONNECTOR VL01

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Reconnect the intermediate connector, TL92. 4. Reconnect the audio video module electrical

connector, TL85. 5. Disconnect the screen connector, VL01. 6. Turn the video/audio tester ON, and to

the TEST position by holding in the TEST button while selecting PAL or NTSC. The blue and red LEDs

will illuminate. 7. Turn the ignition switch to the ON position. 8. Using suitable adaptors, and an

assistant if necessary, connect the red oscilloscope probe to VL01, pin 15 (RW). 9. Using suitable

adaptors, and an assistant if necessary, connect the black oscilloscope probe to VL01, pin 09 (B).

•

Is the waveform similar to the example in Waveforms in this section?

-> Yes

INSTALL a new rear screen,

Video Display

-> No

GO to Pinpoint Test G240121t12.

G240121t12 : CHECK THE SIGNAL TO THE LEFT-HAND REAR SCREEN
INTERMEDIATE CONNECTOR VR02

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Remove the seat back and disconnect the rear screen intermediate connector, VR02. 4. Turn the

video/audio tester ON, and to the TEST position by holding in the TEST button while selecting PAL or

NTSC. The blue and red LEDs will illuminate. 5. Turn the ignition switch to the ON position. 6. Using

suitable adaptors, and an assistant if necessary, connect the red oscilloscope probe to VL02, pin 15

(RW). 7. Using suitable adaptors, and an assistant if necessary, connect the black oscilloscope probe

to VL02, pin 09 (B).

•

Is the waveform similar to the example in Waveforms in this section?

-> Yes

INSTALL a new harness between VL02 and VL01. Test the system for normal operation.

-> No

GO to Pinpoint Test G240121t13.

G240121t13 : CHECK THE CIRCUIT BETWEEN INTERMEDIATE
CONNECTORS, VL02 AND TL92 FOR CONTINUITY

1. Turn the ignition switch to the OFF position. 2. Make sure the video/audio tester is switched OFF.

3. Disconnect the intermediate connector, TL92. 4. Using suitable adaptors, measure the resistance

between TL92, pin 15 (RW) and VL02, pin 15 (RW). 5. Using suitable adaptors, measure the resistance

between TL92, pin 09 (B) and VL02, pin 09 (09).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between VL02 and TL92. Test the system for normal operation.

-> No

The harness from the audio/video selector module checks out, GO to Pinpoint Test G240121p5.

www.