Jaguar X-Type Sedan and Estate (Wagon). Manual - part 557

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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

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

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

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.

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.

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.

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.

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

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.

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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

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.

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

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.

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)

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.

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.

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

T1: CHECK THE IGNITION SWITCHED SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Turn the ignition switch to the ON position.
Measure the voltage between PH02, pin 06 (W R) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the voice activated control module connector, PH02, pin 06 and the central junction fuse
box, fuse 67. For additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal
operation.

GO to T2

T2: CHECK THE IGNITION SWITCHED SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Turn the ignition switch to the ON position.
Measure the voltage between PH01, pin 29 (Y) and GROUND.

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Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the 'phone module connector, PH01, pin 29 and the central junction fuse box, fuse 78. For
additional information, refer to the wiring diagrams. CLEAR the DTC, test the system for normal operation.

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.

PINPOINT TEST U : IC SUPPLY OR GROUND FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

U1: CHECK THE B+ SUPPLY TO THE IC

Disconnect the IC connector, IP11.
Measure the voltage between IP11, pin 07 (OG) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between IP11, pin 07 and battery. This circuit includes the primary junction box, fuse 45. For
additional information, refer to the wiring diagrams.

GO to U2

U2: CHECK THE ACC SUPPLY TO THE IC

Turn the ignition switch to the ACC position.
Measure the voltage between IP11, pin 13 (YU) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between IP11, pin 13 and battery. This circuit includes the primary junction box, fuse 43. For
additional information, refer to the wiring diagrams.

GO to U3

U3: CHECK THE IGNITION SUPPLY TO THE IC

Turn the ignition switch to the IGN position.
Measure the voltage between IP11, pin 11 (GR) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between IP11, pin 11 and battery. This circuit includes the primary junction box, fuse 54. For
additional information, refer to the wiring diagrams.

GO to U4

U4: CHECK THE GROUND TO THE IC

Measure the resistance between IP11, pin 08 (B) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

No fault found with power or ground supplies. Check for DTCs indicating a module fault.

PINPOINT TEST V : SWRS SUPPLY OR GROUND FAULT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

V1: CHECK THE MODULE SUPPLY TO THE SWRS

Disconnect the SWRS connector, IP19.
Turn the ignition switch to the ON position.
Measure the voltage between IP19, pin 02 (GW) and GROUND.

Is the voltage less than 4 volts?
Yes

GO to V2

GO to V3

V2: CHECK THE MODULE SUPPLY CIRCUIT TO THE SWRS FOR HIGH RESISTANCE

Turn the ignition switch to the OFF position.
Disconnect the DSC module connector, JB185.
Measure the resistance between IP19, pin 02 (GW ) and JB185, pin 39 (GW ).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

GO to V3

V3: CHECK THE GROUND TO THE SWRS

Reconnect the DSC module connector, JB185.
Measure the resistance between IP19, pin 08 (U) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

No fault found with power or ground supplies. Check for DTCs indicating a module fault.

PINPOINT TEST W : YAW RATE SENSOR SUPPLY OR GROUND FAULT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

W1: CHECK THE MODULE SUPPLY TO THE YAW RATE SENSOR

Disconnect the yaw rate sensor connector, IP20.
Turn the ignition switch to the ON position.
Measure the voltage between IP20, pin 04 (GW) and GROUND.

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Is the voltage less than 4 volts?
Yes

GO to W2

GO to W3

W2: CHECK THE MODULE SUPPLY CIRCUIT TO THE YAW RATE SENSOR FOR HIGH RESISTANCE

Turn the ignition switch to the OFF position.
Disconnect the DSC module connector, JB185.
Measure the resistance between IP20, pin 04 (GW ) and JB185, pin 39 (GW ).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

GO to W3

W3: CHECK THE GROUND TO THE YAW RATE SENSOR

Measure the resistance between IP20, pin 01 (U) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

No fault found with power or ground supplies. Check for DTCs indicating a module fault.

PINPOINT TEST X : ABS/TCCM SUPPLY OR GROUND FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

X1: CHECK THE IGNITION SUPPLY TO THE ABS/TC MODULE

Disconnect the ABS/TCCM connector, JB45.
Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 23 (GW) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between JB45, pin 23 and battery. This circuit includes the front power distribution box, fuse 13
and the ignition relay. For additional information, refer to the wiring diagrams.

GO to X2

X2: CHECK THE PUMP+ SUPPLY TO THE ABS/TCCM

Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 02 (R) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between JB45, pin 02 and battery. This circuit includes the front power distribution box, fuse 41.
For additional information, refer to the wiring diagrams.

GO to X3

X3: CHECK THE SOLENOID+ SUPPLY TO THE ABS/TCCM

Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 06 (R) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between JB45, pin 06 and battery. This circuit includes the front power distribution box, fuse 41.
For additional information, refer to the wiring diagrams.

GO to X4

X4: CHECK THE GROUND TO THE ABS/TCCM

Turn the ignition switch to the OFF position.
Measure the resistance between JB45, pin 05 (B) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

GO to X5

X5: CHECK THE MOTOR GROUND TO THE ABS/TCCM

Measure the resistance between JB45, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.

No fault found with power or ground supplies. Check for DTCs indicating a module fault.

PINPOINT TEST Y : DSC MODULE SUPPLY OR GROUND FAULT

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

Y1: CHECK THE IGNITION SUPPLY TO THE DSC MODULE

Disconnect the DSC module connector, JB185.
Turn the ignition switch to the ON position.
Measure the voltage between JB185, pin 23 (GW ) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between JB45, pin 23 and battery. This circuit includes the front power distribution box, fuse 13
and the ignition relay. For additional information, refer to the wiring diagrams.

GO to Y2

Y2: CHECK THE PUMP+ SUPPLY TO THE DSC MODULE

Turn the ignition switch to the ON position.
Measure the voltage between JB185, pin 02 (R) and GROUND.

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