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Fault diagnosis, no sound/no display onSID

Fault diagnosis, no sound/no display on SID


Fault symptom

No sound at all.

No radio display on SID.

Diagnostic procedure


1. Check whether fuse 13 is intact and live.

2. Check whether fuse 9 is intact for radio mode and that it is live.


3. Check that battery voltage is present on pin 4 of connector A at the rear of the radio.


4. Check that battery voltage is present on pin 7 of connector A at the rear of the radio when supplied with +X power.