Keypad unit / Carphone control module (PHM) (for handsfree loudspeaker and handset)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Before measuring, read Connecting the breakout box and checking the ground terminal .
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| A1 | #1 | Signal, handset microphone | Alternating current when there is sound to the handset microphone | - |
| A2 | #2 | Handset signal ground | Ulow | - |
| A3 | #3 | Power supply to the handset | Ubat | - |
| A4 | #4 | Signal, handset on cradle | 8 V | - |
| A5 | #5 | - | - | - |
| A6 | #6 | 30 supply | Ubat | - |
| A7 | #7 | - | - | - |
| A8 | #8 | Ground | Ulow | - |
| A9 | #9 | - | - | - |
| A10 | #10 | CANL | Digital signal | - |
| A11 | #11 | Signal, handset loudspeaker | Alternating current when there is sound from the handset loudspeaker | - |
| A12 | #12 | Signal (+), handsfree | Alternating current (to #13) when there is sound from the head restraint loudspeaker | - |
| A13 | #13 | Signal (-), handsfree | Alternating current (to #12) when there is sound from the head restraint loudspeaker | - |
| A14 | #14 | - | - | - |
| A15 | #15 | - | - | - |
| A16 | #16 | - | - | - |
| A17 | #17 | - | - | - |
| A18 | #18 | - | - | - |
| A19 | #19 | - | - | - |
| A20 | #20 | - | - | - |
| A21 | #21 | - | - | - |
| A22 | #22 | CANH | Digital signal | - |