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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Media, Communication And Navigation - Specifications, Electrical/Electronic >> Signal Specification, CARPHONE Module (1999-2000) >> Signal specification, Keypad unit / carphone module (PHM) >> Checking carphone components >> handsfree speakers (for keypad unit / carphone module (PHM))

handsfree speakers (for keypad unit / carphone module (PHM))

Before measuring, read Connecting the breakout box and checking the ground terminal .

Pin no.  Signal type  Ignition on  Other 
F1 Signal (+) handsfree Alternating current (to #2) when there is sound from the speakers -
F2 Signal (-) handsfree Alternating current (to #1) when there is sound from the speakers -
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