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CARPHONE (For Hands-Free Microphone)

Fig 1: 10 CD Changer Connector Terminals
GLL104029Courtesy of VOLVO CARS CORPORATION

Before measuring, read, see CONNECTING THE BREAKOUT BOX AND CHECKING THE GROUND TERMINAL .

Pin no.  Signal type  Ignition on  Other 
D1 Power supply and microphone signal Analog signal The microphone signal is retained over DC
D2 - - -
D3 Signal ground, hands-free microphone Ulow -
D4 - - -
D5 - - -
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