Audio Control Module (Cable Between The Audio Module And The Amplifier)

Fig 1: Identifying Terminals Of Cable Between Audio Module And Amplifier

Courtesy of VOLVO CARS OF NORTH AMERICA.

Before taking any readings, see Checking the ground terminals .

Control module terminal	Breakout box terminal	Signal type	Ignition on
D1	#42	Audio channel, loudspeaker left front	Alternating current when sound at front left loudspeaker
D2	#43	Audio channel, loudspeaker right front	Alternating current when sound at front right loudspeaker
D3	#44	Audio channel, loudspeaker right rear	Alternating current when sound at right rear loudspeaker
D4	#45	Signal ground, audio channel	Ulow
D5	#46	Audio channel, loudspeaker left rear	Alternating current when sound at left rear loudspeaker
D6	#47	Control signal (off/on) amplifier	-