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Home >> Volvo >> 2007 >> C70 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Electronics - Design And Function - 3 Of 4 >> Phone Module (PHM) (2009-2013) >> Design >> Switches For VOLVO On Call
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Switches For VOLVO On Call

Fig 1: Identifying Switches
GLL117622Courtesy of VOLVO CARS CORPORATION

The switches for ON CALL and SOS are located in the instrument panel under the switch for the hazard 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).

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.