Connector B, Hands-Free Speaker Connector On the Carphone Module (PHM)

Fig 1: Connector B, Hands-Free Speaker Connector On The Carphone Module (PHM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Control module terminal	Breakout box terminal	Signal type	Ignition on	Other
B9	#9	Signal hands-free speaker (+)	Alternating current when there is sound in the hands-free loudspeaker	-
B10	#10	Signal hands-free speaker (-)	Alternating current when there is sound in the hands-free loudspeaker	-