Audio Control Module (AUM)/External Amplifier To Loudspeakers, Gray Connector
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The connectors on the adapter cable must have the correct color-coding for the signal table to match.
Before taking any readings, see Checking the ground terminals .
| Control module terminal | Breakout box terminal | Signal type | Ignition on |
|---|---|---|---|
| B1 | #1 | Audio channel (+), loudspeaker left front | AC voltage (to pin 2) when sound in the left front loudspeakers |
| B2 | #2 | Audio channel (-), loudspeaker left front | AC voltage (to pin 1) when sound in the left front loudspeakers |
| B3 | #3 | - | - |
| B4 | #4 | - | - |
| B5 | #5 | Audio channel (+), loudspeaker right front | Alternating current (to pin 6) when sound in the right front loudspeakers |
| B6 | #6 | Audio channel (-), loudspeaker right front | Alternating current (to pin 5) when sound in the right front loudspeakers |
| B7 | #7 | Audio channel (+), loudspeaker left rear | Alternating current (to pin 8) when sound in the left rear loudspeakers |
| B8 | #8 | Audio channel (-), loudspeaker left rear | Alternating current (to pin 7) when sound in the left rear loudspeakers |
| B9 | #9 | - | - |
| B10 | #10 | - | - |
| B11 | #11 | Audio channel (+), loudspeaker right rear | Alternating current (to pin 12) when sound in the right rear loudspeakers |
| B12 | #12 | Audio channel (-), loudspeaker right rear | Alternating current (to pin 11) when sound in the right rear loudspeakers |