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Audio Module (AUD) (2012)

U= DC voltage in volts (V) UAC = AC voltage in volts (V)
Ubat = Battery voltage (V) f = Frequency in Hertz (Hz)
Ulow = Voltage approximately 0 V t = Time in seconds
PWM = Pulse width modulated signal as a % - -
Fig 1: Identifying Connector C442
GLL154727Courtesy of VOLVO CARS CORPORATION
CONNECTOR C1

Breakout box connection  Control module terminal  Signal type  Ignition on 
- #1 30-feed Ubat
- #2 ground Ulow
Fig 2: Identifying Connector MOST (Optical Signal)
GLL153820Courtesy of VOLVO CARS CORPORATION
CONNECTOR C2

Breakout box terminal  Control module terminal  Signal type  Ignition on  Miscellaneous 
- #1 MOST input signal - Optical input signal when the MOST network is activated
- #2 MOST output signal - Optical output signal when the MOST network is activated
Fig 3: Identifying Connector C977
GLL154729Courtesy of VOLVO CARS CORPORATION
CONNECTOR C3

Breakout box terminal  Control module terminal  Signal type  Ignition on  Miscellaneous 
#1 #1 Speaker left front door (-) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#2 #2 Middle speaker (-) (does not apply to High Performance) Analog output signal when the speaker is in use 0 - 11 V depending on control module output.
#3 #3 Speaker right front door (-) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#4 #4 Speaker left rear door (-) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#5 #5 Speaker right rear door (-) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
- #6 - - -
- #7 - - -
- #8 - - -
#9 #9 Speaker left front door (+) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#10 #10 Middle speaker (+) (does not apply to High Performance) Analog output signal when the speaker is in use 0 - 11 V depending on control module output.
#11 #11 Speaker right front door (+) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#12 #12 Speaker left rear door (+) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
#13 #13 Speaker right rear door (+) Analog output signal when the speaker is in use 0 - 19 V depending on control module output.
- #14 - - -
- #15 - - -
- #16 - - -
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