Component Tests and General Diagnostics

Check Wire Connection Between Radio And CD Changer

- Switch off radio.

"Concert II" radio:
- Press the CD button on the radio and switch on the radio at the same time.

"Symphony II" radio:
- Press the "4" button on the radio and switch on the radio at the same time, keeping the ON button pressed in.

All models:
1. Wire connection OK
Indication on radio display:
"CONNECT"
2. Wire connection not OK
Indication on radio display:
"NO CDC"
- Check electrical harness connector at CD changer.
- Repeat wiring check and if not OK, check wiring connector according to wiring diagram.