RTI control module (to CD-ROM changer)
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 taking any readings, see Connecting the breakout box and checking the ground terminal .
The RTI control module terminals D1-D6 correspond to terminals #42-#47 on the breakout box.
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Signal specification |
|---|---|---|---|---|
| D1 | #42 | Clock signal from CD-ROM changer | Digital signal | Melbus protocol |
| D2 | #43 | Data signal from the CD ROM changer | Digital signal | Melbus protocol |
| D3 | #44 | - | - | - |
| D4 | #45 | Busy signal from CD-ROM changer | Digital signal | Melbus protocol |
| D5 | #46 | 15 supply | Ubat | - |
| D6 | #47 | - | - | - |
| H | Screen ground, cable to the CD-ROM changer | Ulow | - |