Steering Column: Testing and Inspection

Steering Column Switches
The complexity of the electronics involved with the various electronic control modules and the multiplexed communication networks, preclude the use of workshop general electrical test equipment Therefore, reference should be made to the Jaguar approved diagnostic system.

The Jaguar approved diagnostic system systematically tests and analyses all functions of the multifunction switch.

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