9-3 Coupe (9400) L4-2.0L Turbo (B204) (1999)
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AS2, AS3: Pressing the CD button on the main unit twice if the audio system is in RADIO mode.
Function
The CD changer is powered separately (+30 circuit) from fuse 13 to pin 6 of the CD changer connector.
When the audio system is activated, the CD changer reads the "wake-up" information on the bus (pin 5 and pin 11) from the main unit. The CD changer
is then activated (switched on).
The sound signal (line outputs) from the CD changer to the main unit is supplied via.
-
pins 3 and 8 for left channel
-
pins 2 and 7 for right channel
The CD changer functions are controlled by commands from the main unit via the bus.
When the CD changer is active, information is transmitted to the bus. The SID unit reads the information and shows the current status on the display.
See Test readings, CD changer connections.
See: Testing and Inspection
Control funtions
The CD changer in audio system 1 is controlled with the same buttons as the cassette player. For disc selection, preset buttons 1-6 on the main unit are
used.
The CD changer in audio system 2 and 3 is controlled with the same buttons as the CD player. For disc selection, preset buttons 1-6 on the main unit are
used.
IMPORTANT
This Service Manual does not cover the normal operation of the audio system. Detailed information on its operation is given in the Owner's Manual.