Jaguar XJ (X350). Manual — part 1348

-> No

GO to Pinpoint Test G239843t242.

G239843t242 : CHECK FOR DTC U2602 OR U2603

1. Check DTCs.

•

Are codes U2602 or U2603 logged?

-> Yes

For optical ring tests, GO to Pinpoint Test G239843p29.

, and GO to Pinpoint Test G239843p30.

.

-> No

Recheck DTCs. No break in optical harness.

PINPOINT TEST G239843p43 : U2615;
REAR ENTERTAINMENT MODULE
NOT RESPONDING

G239843t349 : CHECK REAR ENTERTAINMENT MODULE USING OPTICAL
BUS TESTER

1. Connect the optical bus tester to the fibre optic lead connector RC05. 2. Set the optical bus tester

to BY-PASS. 3. CLEAR the DTC. 4. Turn the ignition switch to the ACC position. 5. Wait for 10 seconds.

6. Check for DTCs.

•

Is U2615 set?

-> Yes

For "wake-up" signal circuit tests, GO to Pinpoint Test G239843p5.

.

-> No

GO to Pinpoint Test G239843t350.

G239843t350 : CHECK FOR DTC U2602 OR U2603

1. Check DTCs.

•

Are codes U2602 or U2603 logged?

-> Yes

For optical ring tests, GO to Pinpoint Test G239843p29.

, and GO to Pinpoint Test G239843p30.

.

-> No

Recheck DTCs. No break in optical harness.

PINPOINT TEST G239843p29 : U2602:
BREAK IN OPTICAL HARNESS FROM
AUDIO CONTROL MODULE.
(TRANSMITTER)

G239843t243 : CHECK FIBRE OPTIC LEAD BETWEEN LUGGAGE
COMPARTMENT JOINT AND CD CHANGER

1. Disconnect fibre optic connector DB02. 2. Disconnect fibre optic connector DB01. 3. Connect the

optical bus tester to the fibre optic lead connector DB01. 4. Set the optical bus tester to TX. 5. Set the

optical bus tester to ON. 6. Check for light pulses at the receiver pin of disconnected D2B connector

DB02.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t244.

-> No

INSTALL a new telematic harness between DB03 and DB02. For additional information, refer to the

electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t244 : CHECK CABIN FIBRE OPTIC HARNESS

1. Disconnect the fibre optic connector FC107. 2. Disconnect the fibre optic connector DB01. 3.

Connect the optical bus tester to TL95 using adaptor lead. 4. Set the optical bus tester to TX. 5. Set

the optical bus tester to ON. 6. Check for light pulses at the receiver pin of disconnected D2B

connector DB01.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t245.

-> No

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INSTALL a new cabin optical harness between DB01 and TL95. For additional information, refer to the

electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t245 : CHECK FIBRE OPTIC LEAD BETWEEN ASHTRAY AND AUDIO
CONTROL MODULE

1. Connect the optical bus tester to CC21 using the adaptor lead. 2. Set the optical bus tester to TX. 3.

Set the optical bus tester to ON. 4. Check for light pulses at the receiver pin of disconnected D2B

connector TL95.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t246.

-> No

INSTALL a new instrument optical harness between CC21 and TL95. For additional information, refer

to the electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t246 : CHECK THE AUDIO CONTROL MODULE

1. Turn the ignition switch to the ACC position. 2. Wait for 10 seconds. 3. Check for light pulses at the

transmitter pin of disconnected D2B connector CC21 (rear of audio control module).

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t247.

-> No

INSTALL a new ACU. <<415-01>> CLEAR the DTC. TEST the system for normal operation.

G239843t247 : CHECK THE FIBRE OPTIC LEAD FROM THE CD CHANGER TO
THE PHONE MODULE

1. Disconnect optical connector DB02. 2. Disconnect optical connector DB03. 3. Connect the optical

bus tester to DB02. 4. Check for light pulses at the transmitter pin of disconnected D2B connector

DB03.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t248.

-> No

INSTALL a new telematic harness between DB03 and DB02. For additional information, refer to the

electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t248 : CHECK THE FIBRE OPTIC LEAD FROM THE PHONE MODULE
TO THE VOICE MODULE

1. Disconnect optical connector DB03. 2. Disconnect optical connector DB04. 3. Connect the optical

bus tester to DB03. 4. Check for light pulses at the transmitter pin of disconnected D2B connector

DB04.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t249.

-> No

INSTALL a new telematic harness between DB03 and DB04. For additional information, refer to the

electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t354 : CHECK THE FIBRE OPTIC LEAD FROM THE VOICE MODULE
TO THE REAR ENTERTAINMENT MODULE

1. Disconnect optical connector DB04. 2. Disconnect optical connector RC05. 3. Connect the optical

bus tester to DB04. 4. Check for light pulses at the transmitter pin of disconnected D2B connector

RC05.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t355.

-> No

INSTALL a new telematic harness between DB04 and RC05. For additional information, refer to the

electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t355 : CHECK THE FIBRE OPTIC LEAD FROM THE REAR
ENTERTAINMENT MODULE TO THE NAVIGATION COMPUTER

1. Disconnect optical connector RC05. 2. Disconnect optical connector DB06. 3. Connect the optical

bus tester to RC05.

•

Are light pulses visible?

-> Yes

GO to Pinpoint Test G239843t249.

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