Switches For VOLVO On Call

Fig 1: Identifying ON CALL And SOS Switches

Courtesy of VOLVO CARS CORPORATION

The ON CALL and SOS switches are located on the ceiling lamp console. Switches are only available for the phone module (PHM) with Volvo On Call functionality.

The switches are directly connected to the phone module (PHM).

The switches also contain an emergency microphone.

Switch illumination receives is power supply and ground via the phone module (PHM).

There are diagnostics for the switches.