Switch For VOLVO On Call
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2014 Volvo XC90, 2013 Volvo XC90, 2012 Volvo XC90, 2011 Volvo XC90, and 2010 Volvo XC90. However, it is still accessible from the selected car via links, so may be relevant.
The switches for ON CALL and SOS are located in the instrument panel under the switch for the hazard warning signal flashers. The switches are only for the phone module (PHM) with the Volvo On Call functionality.
The switches are directly connected to the phone module (PHM).
Voltage supply and grounding of the switch lighting is via the phone module (PHM). The level of the light strength is adjusted using a pulse width modulated (PWM) signal.
There are diagnostics for the switches.