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Connector A, carphone module (PHM)

Fig 1: Identifying Connector F Terminals
GLL104034Courtesy of VOLVO CARS OF NORTH AMERICA.
Control module terminal  Breakout box terminal  Signal type  Ignition on  Other 
A1 #1 Hands-free microphone, signal Alternating current when there is sound from the hands-free microphone -
A2 #2 Handset signal, ground Ulow -
A3 #3 Handset signal, microphone Alternating current when there is sound from the handset microphone Difficult to measure
A4 #4 Signal hands-free speaker (-) Alternating current when there is sound in the hands-free loudspeaker -
A5 #5 Signal hands-free speaker (+) Alternating current when there is sound in the hands-free loudspeaker -
A6 #6 30 supply Ubat -
A7 #7 - - -
A8 #8 - - -
A9 #9 - - -
A10 #10 CANL Digital signal -
A11 #11 Hands-free microphone, ground Ulow -
A12 #12 Signal, handset. loudspeaker Alternating current when there is sound in the handset loudspeaker -
A13 #13 Power supply, handset 12 V -
A14 #14 Cradle signal, handset U=8 V at cradle off, cradle on U=0 V, Disconnected connector U=5 V -
A15 #15 - - -
A16 #16 - - -
A17 #17 Collision cable from the SRS U=12 V when activated SRS, otherwise U=0 V -
A18 #18 Ground Ulow -
A19 #19 - - -
A20 #20 - - -
A21 #21 - - -
A22 #22 CANH Digital signal -
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