Function
Function
Carphone
The phone module (PHM) (16/60) for the XC90 does not have its own keypad to control the menus. It uses the keypad on the infotainment control module (ICM) (16/1) panel, unlike the S80, S60, V70 and V70XC.
When controlling the menus via the steering wheel buttons (3/131), the information is transmitted from the steering wheel module (SWM) (3/130) to the infotainment control module (ICM) via the CAN network. The information is then sent on to the phone module (PHM) via the MOST network.
The menu is displayed for the user in the infotainment control module's (ICM) display. The information is transmitted from the phone module (PHM) to the infotainment control module (ICM) via the MOST network.
When the phone module (PHM) is started, a request is transmitted to the infotainment control module (ICM) to use the display when there are incoming calls or when the carphone is in use.
Telephone calls can be made either hands free or using the handset. Unlike for the S80, S60 and V70, the phone module (PHM) for the XC90 does not have its own microphone or loudspeaker for hands free.
The microphone and loudspeaker for the Audio module (AUD) (16/105) are used instead for hands free calls. The phone module (PHM) transmits a request to the infotainment control module (ICM) to access the audio module (AUD) loudspeaker and microphone.
Communication between the phone module (PHM), infotainment control module (ICM) and audio module (AUD) is via the MOST network.