Navigation System: Testing and Inspection

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 approved Jaguar diagnostic system for detailed instructions on testing the navigation circuit.

The approved Jaguar diagnostic system tests and analyses all functions of the navigation system.

Where a fault involving the navigation system is indicated by the approved Jaguar diagnostic system, some basic diagnostic methods may be necessary to confirm that connections are good and that wiring is not damaged, before installing new components.