Jaguar X-Type Sedan and Estate (Wagon). Service manual — part 566

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L2: CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?
Yes

CHECK for break in optical harness.

No

RECHECK DTCs. No break in optical harness.

PINPOINT TEST M : U2019: VOICE CONTROL MODULE NOT RESPONDING

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

M1: CHECK VOICE CONTROL MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic lead connector, CD04.
Set the Optical Bus Tester to BY-PASS.
Clear the DTC.
Turn the ignition switch to the ACC position.
W ait for 10 seconds.
Check for 'not responding' DTCs.

Is U2019 set?
Yes

CHECK the 'wake-up' signal to the module.

No

GO to M2

.

M2: CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?
Yes

CHECK for break in optical harness.

No

RECHECK DTCs. No break in optical harness.

PINPOINT TEST N : U2613: NAVIGATION CONTROL MODULE NOT RESPONDING

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

N1: CHECK NAVIGATION CONTROL MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic connector, CD05.
Set the Optical Bus Tester to BY-PASS.
Clear the DTC.
Turn the ignition switch to the ACC position.
W ait for 10 seconds.
Check for DTCs.

Is U2613 set?
Yes

CHECK the 'wake-up' signal to the module.

No

GO to N2

.

N2: CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?
Yes

CHECK for break in optical harness.

No

RECHECK DTCs. No break in optical harness.

PINPOINT TEST O : U2614: AMPLIFIER NOT RESPONDING

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

O1: CHECK AMPLIFIER, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic connector, CD07.
Set the Optical Bus Tester to BY-PASS.
Clear the DTC.
Turn the ignition switch to the ACC position.
W ait for 10 seconds.
Check for DTCs.

Is U2614 set?
Yes

CHECK the 'wake-up' signal to the module.

No

GO to O2

.

O2: CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?
Yes

CHECK for break in optical harness.

No

RECHECK DTCs. No break in optical harness.

PINPOINT TEST P : U2602: BREAK IN OPTICAL HARNESS FROM ICE HEAD UNIT (TRANSMITTER)

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

P1: CHECK FIBRE OPTIC LEAD BETWEEN LUGGAGE COMPARTMENT JOINT AND CD CHANGER

Disconnect the fibre optic connector, CD02.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to the fibre optic connector, CD06.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.

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Check for light pulses at the receiver pin of disconnected D2B connector, CD02.

Are light pulses visible?
Yes

GO to P2

.

No

INSTALL a new telematic harness between CD06 and CD02. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

P2: CHECK CABIN FIBRE OPTIC HARNESS

Disconnect the fibre optic connector, CD01.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to CD01 using adaptor lead.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the receiver pin of disconnected D2B connector, CD06.

Are light pulses visible?
Yes

GO to P3

.

No

INSTALL a new cabin optical harness between CD06 and CD01. For additional information, refer to the wiring
diagrams. CLEAR the DTC, test the system for normal operation.

P3: CHECK FIBRE OPTIC LEAD BETWEEN 'A' POST AND ICE HEAD UNIT

Disconnect the fibre optic connector, ID01.
Connect the Optical Bus Tester to ID01 using the adaptor lead.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the receiver pin of disconnected D2B connector, CD001.

Are light pulses visible?
Yes

GO to P4

.

No

INSTALL a new instrument optical harness between CD01 and ID01. For additional information, refer to the wiring
diagrams. CLEAR the DTC, test the system for normal operation.

P4: CHECK THE ICE HEAD UNIT

Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for light pulses at the transmitter pin of disconnected D2B connector, ID01 (rear of ICE head unit).

Are light pulses visible?
Yes

GO to P5

.

No

INSTALL a new ICE head unit,
REFER to:

Audio Unit

(415-01 Audio Unit, Removal and Installation).

CLEAR the DTC, test the system for normal operation.

P5: CHECK THE FIBRE OPTIC LEAD FROM THE CD CHANGER TO THE 'PHONE MODULE

Disconnect the fibre optic connector CD02.
Disconnect the fibre optic connector CD03.
Connect the Optical Bus Tester to CD02.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the transmitter pin of disconnected D2B connector, CD03.

Are light pulses visible?
Yes

GO to P6

.

No

INSTALL a new telematic harness between CD03 and CD02. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

P6: CHECK THE FIBRE OPTIC LEAD FROM THE 'PHONE MODULE TO THE VOICE MODULE

Disconnect the fibre optic connector CD04.
Connect the Optical Bus Tester to CD03.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the transmitter pin of disconnected D2B connector, CD04.

Are light pulses visible?
Yes

GO to P7

.

No

INSTALL a new telematic harness between CD03 and CD04. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

P7: CHECK THE FIBRE OPTIC LEAD FROM THE VOICE MODULE TO THE NAVIGATION COMPUTER

Disconnect the fibre optic connector CD04.
Disconnect the fibre optic connector CD05.
Connect the Optical Bus Tester to CD04.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the transmitter pin of disconnected D2B connector, CD05.

Are light pulses visible?
Yes

GO to P8

.

No

INSTALL a new telematic harness between CD05 and CD04. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

P8: CHECK THE FIBRE OPTIC LEAD FROM THE NAVIGATION COMPUTER TO THE AMPLIFIER

Disconnect the fibre optic connector CD07.
Disconnect the fibre optic connector CD05.

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Connect the Optical Bus Tester to CD05.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the transmitter pin of disconnected D2B connector, CD07.

Are light pulses visible?
Yes

CHECK for DTC U2603.

No

INSTALL a new telematic harness between CD05 and CD07. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

PINPOINT TEST Q : U2603: BREAK IN OPTICAL HARNESS TO ICE HEAD UNIT (RECEIVER)

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

Q1: CHECK FIBRE OPTIC LEAD BETWEEN LUGGAGE COMPARTMENT JOINT AND AMPLIFIER

Disconnect the fibre optic connector, CD06.
Disconnect the fibre optic connector, CD07.
Connect the Optical Bus Tester to CD07.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the receiver pin of disconnected D2B connector, CD06.

Are light pulses visible?
Yes

GO to Q2

.

No

INSTALL a new telematic harness between CD06 and C07. For additional information, refer to the wiring diagrams.
CLEAR the DTC, test the system for normal operation.

Q2: CHECK CABIN FIBRE OPTIC HARNESS

Disconnect the fibre optic connector, CD01.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to CD06 using adaptor lead.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the receiver pin of disconnected D2B connector, CD01.

Are light pulses visible?
Yes

GO to Q3

.

No

INSTALL a new cabin optical harness between CD06 and CD01. For additional information, refer to the wiring
diagrams. CLEAR the DTC, test the system for normal operation.

Q3: CHECK FIBRE OPTIC LEAD BETWEEN 'A' POST AND ICE HEAD UNIT

Connect the Optical Bus Tester to ID01.
Set the Optical Bus Tester to TX.
Set the Optical Bus Tester to ON.
Check for light pulses at the receiver pin of disconnected D2B connector, ID01.

Are light pulses visible?
Yes

GO to Q4

.

No

INSTALL a new instrument optical harness between CD01 and ID01. For additional information, refer to the wiring
diagrams. CLEAR the DTC, test the system for normal operation.

Q4: CHECK THE ICE HEAD UNIT

Connect the optical short link between the receiver and transmitter of the ICE head unit.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for DTC.

Is U2603 logged?
Yes

INSTALL a new ICE head unit,
REFER to:

Audio Unit

(415-01 Audio Unit, Removal and Installation).

CLEAR the DTC. TEST the system for normal operation.

No

RECHECK DTCs. No fault found in D2B system.

PINPOINT TEST R : ONE OR MORE D2B MODULES NOT RESPONDING. PERMANENT SUPPLY FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

R1: CHECK THE PERMANENT SUPPLY TO THE CD CHANGER

Disconnect the CD changer connector, CA301.
Measure the voltage between CA301, pin 02 (OY) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the CD changer connector, CA301, pin 02, and fuse 72 of the central junction fuse box. For
additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal operation.

No

CHECK the module for GROUND. INSTALL a new CD Changer.
REFER to:

Compact Disc (CD) Changer - 4-Door

(415-01 Audio Unit, Removal and Installation).

CLEAR the DTC, test the system for normal operation.

GO to R2

.

R2: CHECK THE PERMANENT SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Measure the voltage between PH02, pin 22 (NR) and GROUND.

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Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the voice activated control module connector, PH02, pin 22, and fuse 71 of the central
junction fuse box. For additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal
operation.

No

CHECK the module for GROUND. INSTALL a new VACM.
REFER to:

Multifunction Voice Activated Module - 4-Door

(419-10 Multifunction Electronic Modules, Removal and

Installation).
CLEAR the DTC, test the system for normal operation.

GO to R3

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R3: CHECK THE PERMANENT SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Measure the voltage between PH01, pins 12 and 13 (NR) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the 'phone module connector, PH01, pins 12 and 13 and fuse 71 of the central junction
fuse box. For additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal
operation.

No

CHECK the module for GROUND. INSTALL a new 'phone module.
REFER to:

Module - 4-Door

(419-08 Cellular Phone, Removal and Installation).

CLEAR the DTC, test the system for normal operation.

GO to R4

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R4: CHECK THE PERMANENT SUPPLY TO THE NAVIGATION MODULE

Disconnect the navigation module connector, NA07.
Measure the voltage between NA07, pin 01 (OY) and GROUND.

Is the voltage less than 10 volts?
Yes

Repair the circuit between the navigation module connector, NA07, pin 01 and fuse 72 of the central junction fuse
box. For additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal operation.

No

CHECK the module for GROUND. INSTALL a new navigation module.
REFER to:

Navigation System Module - 4-Door

(419-07 Navigation System, Removal and Installation).

CLEAR the DTC, test the system for normal operation.

GO to R5

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R5: CHECK THE PERMANENT SUPPLY TO THE AMPLIFIER

Disconnect the amplifier connector, CA425.
Measure the voltage between CA425, pin 09 (NR) and GROUND.
Measure the voltage between CA425, pin 03 (NR) and GROUND.

Is either voltage less than 10 volts?
Yes

Repair the circuit between the amplifier connector, CA425 and fuse 20 of the primary junction box. For additional
information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal operation.

No

CHECK the module for GROUND. INSTALL a new amplifier. CLEAR the DTC, test the system for normal operation.

PINPOINT TEST S : ONE OR MORE D2B MODULES NOT RESPONDING. ACCESSORY SWITCHED SUPPLY FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

S1: CHECK THE ACCESSORY SWITCHED SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Turn the ignition switch to the ACC position.
Measure the voltage between PH02, pin 08 (YG) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the voice activated control module connector, PH02, pin 08 and the ignition switch. For
additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal operation.

(This circuit includes the central junction fuse box, fuse 69)

.

No

GO to S2

.

S2: CHECK THE ACCESSORY SWITCHED SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Turn the ignition switch to the ACC position.
Measure the voltage between PH01, pin 14 (YG) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the 'phone module connector, PH01, pin 14 and the ignition switch. This circuit includes
the central junction fuse box, fuse 69. For additional information, refer to the wiring diagrams. CLEAR the DTC, test
the system for normal operation.

No

GO to S3

.

S3: CHECK THE ACCESSORY SWITCHED SUPPLY TO THE NAVIGATION MODULE

Disconnect the navigation module electrical connector, NA07.
Turn the ignition switch to the ACC position.
Measure the voltage between NA07, pin 11 (YG) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the navigation module connector, NA07, pin 11 and the ignition switch. This circuit
includes the central junction fuse box, fuse 69. For additional information, refer to the wiring diagrams. CLEAR the
DTC, test the system for normal operation.

No

CHECK the module for GROUND. INSTALL a new navigation module.
REFER to:

Navigation System Module - 4-Door

(419-07 Navigation System, Removal and Installation).

CLEAR the DTC, test the system for normal operation.

PINPOINT TEST T : ONE OR MORE D2B MODULES NOT RESPONDING. IGNITION SWITCHED SUPPLY FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS