Jaguar XJ (X350). Manual — part 1319

PINPOINT TEST G240121p12 : CHECK
THE POWER AND GROUND SUPPLIES
TO THE LEFT-HAND SCREEN

G240121t108 : CHECK FOR BATTERY VOLTAGE AT THE SCREEN
CONNECTOR, VL01

1. Disconnect the left-hand screen electrical connector, VL01. 2. Turn the ignition switch to the ON

position. 3. Measure the voltage between VL01, pin 18 (OY) and GROUND.

•

Is the voltage greater than 10 volts?

-> Yes

GO to Pinpoint Test G240121t113.

-> No

GO to Pinpoint Test G240121t109.

G240121t109 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR
CONTINUITY

1. Disconnect the audio video selector module electrical connector, TL85. 2. Measure the resistance

between VL01, pin 18 (OY) and TL85, pin 18 (OY).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t110.

-> No

INSTALL a new audio video selector module,

Video System Module TEST the system for normal operation.

G240121t110 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR
CONTINUITY

1. Disconnect intermediate connector, VL02. 2. Measure the resistance between VL01, pin 18 (OY)

and VL02, pin 18 (OY).

•

Is the resistance greater than 5 ohms?

-> Yes

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

-> No

GO to Pinpoint Test G240121t111.

G240121t111 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR
CONTINUITY

1. Disconnect intermediate connector, TL92. 2. Measure the resistance between VL02, pin 18 (OY)

and TL92, pin 18 (OY).

•

Is the resistance greater than 5 ohms?

-> Yes

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

-> No

GO to Pinpoint Test G240121t112.

G240121t112 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR
CONTINUITY

1. Measure the resistance between TL92, pin 18 (OY) and TL85, pin 18 (OY).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.

-> No

INSTALL a new audio video selector module,

Video System Module TEST the system for normal operation.

G240121t113 : CHECK FOR VOLTAGE AT VL01, PIN 08

1. Reconnect the audio video selector module electrical connector, TL85. 2. Turn the igntition switch

to the ON position. 3. Measure the voltage between VL01, pin 08 (N) and GROUND.

•

Is the voltage -14 to -18 volts?

-> Yes

GO to Pinpoint Test G240121t118.

-> No

GO to Pinpoint Test G240121t114.

www.

G240121t114 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR
CONTINUITY

1. Turn the igntition switch to the OFF position. 2. Disconnect audio video selector module electrical

connector, TL85. 3. Measure the resistance between VL01, pin 08 (N) and TL85, pin 08 (N).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t115.

-> No

INSTALL a new audio video selector module,

Video System Module TEST the system for normal operation.

G240121t115 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR
CONTINUITY

1. Disconnect intermediate connector, VL02. 2. Measure the resistance between VL01, pin 08 (N) and

VL02, pin 08 (N).

•

Is the resistance greater than 5 ohms?

-> Yes

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

-> No

GO to Pinpoint Test G240121t116.

G240121t116 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR
CONTINUITY

1. Disconnect intermediate connector, TL92. 2. Measure the resistance between VL02, pin 08 (N) and

TL92, pin 08 (N).

•

Is the resistance greater than 5 ohms?

-> Yes

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

-> No

GO to Pinpoint Test G240121t117.

G240121t117 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR
CONTINUITY

1. Measure the resistance between TL92, pin 08 (N) and TL85, pin 08 (N).

•

Is the resistance greater than 5 ohms?

-> Yes

INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.

-> No

INSTALL a new audio video selector module,

Video System Module TEST the system for normal operation.

G240121t118 : CHECK FOR VOLTAGE AT VL01, PIN 06

1. Reconnect audio video selector module electrical connector, TL85. 2. Make sure the ignition switch

is in the ON position. 3. Measure the voltage between VL01, pin 06 (B) and GROUND.

•

Is the voltage 6 volts?

-> Yes

GO to Pinpoint Test G240121t123.

-> No

GO to Pinpoint Test G240121t119.

G240121t119 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR
CONTINUITY

1. Turn the ignition switch to the OFF position. 2. Disconnect audio video selector module electrical

connector, TL85. 3. Measure the resistance between VL01, pin 06 (B) and TL85, pin 06 (B).

•

Is the resistance greater than 5 ohms?

-> Yes

GO to Pinpoint Test G240121t120.

-> No

INSTALL a new audio video selector module,

Video System Module TEST the system for normal operation.

G240121t120 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR
CONTINUITY

1. Disconnect intermediate connector, VL02. 2. Measure the resistance between VL01, pin 06 (B) and

VL02, pin 06 (B).

•

Is the resistance greater than 5 ohms?

www.