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Home >> Jaguar >> 2008 >> XJ (X350) V8-4.2L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Test G239843P29

Pinpoint Test G239843P29



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
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. 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.

-> NO
INSTALL a new telematic harness between RC05 and DB06. For additional information, refer to the electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t249 : CHECK THE FIBRE OPTIC LEAD FROM THE VOICE MODULE TO THE NAVIGATION COMPUTER
1. Disconnect optical connector DB04.
2. Disconnect optical connector DB06.
3. Connect the optical bus tester to DB04.
4. Check for light pulses at the transmitter pin of disconnected D2B connector DB06.

- Are light pulses visible?

-> YES
GO to Pinpoint Test G239843t250.

-> NO
INSTALL a new telematic harness between DB04 and DB06. For additional information, refer to the electrical guide. CLEAR the DTC. TEST the system for normal operation.

G239843t250 : CHECK THE FIBRE OPTIC LEAD FROM THE NAVIGATION COMPUTER TO THE AMP
1. Disconnect optical connector DB06.
2. Disconnect optical connector DB07.
3. Connect the optical bus tester to DB06.
4. Check for light pulses at the transmitter pin of disconnected D2B connector DB07.

- Are light pulses visible?

-> YES
Recheck DTCs. No fault found in D2B system.

-> NO
INSTALL a new telematic harness between DB06 and DB07. For additional information, refer to the electrical guide. CLEAR the DTC. TEST the system for normal operation.
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