Volvo Workshop Manuals
V50 L5-2.4L VIN 39 B5244S7 (2005)
Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Communications Control Module > Component Information > Description and Operation > Audio Module (AUD) > Page 219
This activation is used to check that the colors in the display are presented correctly.
Picture test display
Activating the picture test, display.
Gray scale display
Activating the gray scale, display.
Phone module (PHM)
There are two versions of the phone module (PHM), with or without Volvo On Call functionality (market dependent).
The main task of the phone module (PHM) is to manage the following functions:
automatic connection to the Service Center in the event of a collision or alarm (Volvo On Call)
connection to the Service Center for other services when the SOS or ON CALL button is pressed (Volvo On Call).
The control module is above the glove compartment inside the dashboard.
A phone module (PHM) with Volvo On Call functionality cannot be installed as an aftermarket option.
The phone module (PHM) communicates partly with directly connected components and partly with other control modules via the CAN and MOST
The phone module (PHM) does not have its own keypad. It uses the menus in the keypad on the climate control module (CCM) and the display on the
The control module checks activations and input and output signals via an integrated diagnostic system. A diagnostic trouble code (DTC) is stored if the
For phone modules (PHM) with Volvo On Call functionality, the driver will also be notified via a message in the driver information module (DIM) if a
Any diagnostic trouble codes (DTCs) are stored in the control module memory. This information can be read off using VIDA via the data link connector
If the phone module (PHM) is not powered, there will be no MOST network communication and the system is switched off.
The phone module (PHM) has a SIM card reader for the customer's own private phone subscription. For phone modules (PHM) with Volvo On Call
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