Audio Unit - Audio System
Diagnosis and Testing
Tests Using the Portable Diagnostic Unit
Refer to PDU User Guide
The PDU is unable to diagnose radio head, CD autochanger or amplifier faults; there are no self-diagnostics associated with
these components.
PDU is able to test the speakers and the antenna, along with associated wiring and connections, therefore by a process of
elimination, the other components can be diagnosed.
Antenna - Antenna
Diagnosis and Testing
Tests Using the Portable Diagnostic Unit
Refer to PDU User Guide
The PDU tests whether or not the antenna raises and lowers correctly. Although it is obvious if the antenna is not operating,
the PDU analyses why it is not operating an d indicates problems such as a faulty radio head signal output, faulty wiring, loss of power due to a blown fuse.
