2002 Jaguar S-Type Electrical fault? Fuse Blown?

2002 JAGUAR S-TYPE
45,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BILL BENSON
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  • 1 POST
Lost all electrica output to Navigation sytem no lights signal anywhere on surrouding buttons, ie., Rear Demister,Radio, Menu, Climate and Audio.

In small window the following information flashes on and off " EXT 50 " then changes to 51.

Battery Good, Connections OK, Car Drives OK all external lights OK.
Dec 1, 2009 at 3:26 AM
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DAVE H
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Diagnostics and Testing
The complexity of the electronics involved with the various electronic control modules and the multiplexed communications network, preclude the use of workshop general electrical test equipment. Therefore, reference should be made to the PDU User Guide for detailed instructions on testing the navigation circuit.
The PDU systematically tests and analyses all functions of the navigation system.
Where a fault involving the navigation system is indicated by the PDU, some basic diagnostic methods may be necessary to confirm that connections are good and that wiring is not damaged, before installing new components.
Jan 1, 2010 at 10:23 AM