Jaguar XJ (X350). Manual — part 1313

-> No

The AUX1 circuit checks out.

G240121t36 : CHECK THE L3 CIRCUIT FROM RC03 TO RC04 FOR
CONTINUITY

1. Disconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 19 (YG)

and RC04, pin 19 (YG).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.

-> No

INSTALL a new harness between RC03 and TL86. TEST the system for normal operation.

PINPOINT TEST G240121p7 : CHECK
THE REAR ENTERTAINMENT
CONTROL PANEL RIGHT-HAND
OUTPUTS

G240121t37 : CHECK THE CONT R1 OUTPUT FROM THE CONTROL PANEL

1. Disconnect the control panel electrical connector, RC03. 2. 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. 3. Make sure both screens are selected on the control panel. 4. Turn the ignition

switch to the ON position. 5. Measure the voltage between RC03, pin 11 (probing INTO the control

panel) and GROUND.

•

Is the voltage 5 volts?

-> Yes

GO to Pinpoint Test G240121t38.

-> No

INSTALL a new control panel,

Rear Passenger Entertainment Control Panel TEST the system for normal operation.

G240121t38 : CHECK THE CONT R2 OUTPUT FROM THE CONTROL PANEL

1. Measure the voltage between RC03, pin 10 (probing INTO the control panel) and GROUND.

•

Is the voltage 0 volts?

-> Yes

GO to Pinpoint Test G240121t39.

-> No

INSTALL a new control panel,

Rear Passenger Entertainment Control Panel TEST the system for normal operation.

G240121t39 : CHECK THE CONT R3 OUTPUT FROM THE CONTROL PANEL

1. Measure the voltage between RC03, pin 09 (probing INTO the control panel) and GROUND.

•

Is the voltage 5 volts?

-> Yes

GO to Pinpoint Test G240121t40.

-> No

INSTALL a new control panel,

Rear Passenger Entertainment Control Panel TEST the system for normal operation.

G240121t40 : CHECK THE R1 CIRCUIT FROM RC03 TO TL86 FOR
CONTINUITY

1. Disconnect the audio video selector electrical connector, TL86. 2. Measure the resistance between

RC03, pin 11 (WU) and TL86, pin 11 (WU).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t41.

-> No

GO to Pinpoint Test G240121t42.

G240121t41 : CHECK THE R1 CIRCUIT FROM RC03 TO RC04 FOR
CONTINUITY

1. Disconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 11 (WU)

and RC04, pin 11 (WU).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.

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-> No

INSTALL a new harness between RC03 and TL86. TEST the system for normal operation.

G240121t42 : CHECK THE R2 CIRCUIT FROM RC03 TO TL86 FOR
CONTINUITY

1. Reconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 10 (B) and

TL86, pin 10 (B).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t43.

-> No

GO to Pinpoint Test G240121t44.

G240121t43 : CHECK THE R2 CIRCUIT FROM RC03 TO RC04 FOR
CONTINUITY

1. Disconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 10 (B) and

RC04, pin 10 (B).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.

-> No

INSTALL a new harness between RC03 and TL86. TEST the system for normal operation.

G240121t44 : CHECK THE R3 CIRCUIT FROM RC03 TO TL86 FOR
CONTINUITY

1. Reconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 09 (WB)

and TL86, pin 09 (WB).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t36.

-> No

The AUX1 circuit checks out.

G240121t45 : CHECK THE R3 CIRCUIT FROM RC03 TO RC04 FOR
CONTINUITY

1. Disconnect intermediate connector, RC04. 2. Measure the resistance between RC03, pin 09 (WB)

and RC04, pin 09 (WB).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.

-> No

INSTALL a new harness between RC03 and TL86. TEST the system for normal operation.

PINPOINT TEST G240121p8 : CHECK
THE REAR ENTERTAINMENT AUDIO

G240121t46 : CHECK THE CABIN SPEAKER OUTPUT FROM THE REAR
ENTERTAINMENT CONTROL PANEL (RED CONNECTOR)

1. Set the rear entertainment control panel to AUX1, cabin speakers (refer to Selecting AUX1; AUX2

and audio functions in this section). 2. Connect the video/audio tester to the AUX1 audio socket

(RED), and to the corresponding socket on the video/audio tester. 3. 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. 4. Turn the ignition switch to the ON position. 5. Adjust the volume on the

control panel to the desired level (eg 12).

•

Could a continuous "buzzing" noise be heard from the cabin speakers?

-> Yes

GO to Pinpoint Test G240121t47.

-> No

CHECK for D2B related codes before installing a new control panel.

Rear Passenger Entertainment Control Panel TEST the system for normal operation.

G240121t47 : CHECK THE CABIN SPEAKER OUTPUT FROM THE REAR
ENTERTAINMENT CONTROL PANEL (WHITE CONNECTOR)

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

3. Disconnect the test lead from the RED AUX1 socket, and connect it into the WHITE AUX1 socket.

4. Make sure the cabin speakers are still set to the desired level.

•

Could a continuous "buzzing" noise be heard from the cabin speakers?

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