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Volvo
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2004
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S80 Base, 2.5 59, FWD
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Repair and Diagnosis
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Accessories & Equipment
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Infotainment
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Media, Communication And Navigation - Specifications, Electrical/Electronic
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Signal Specification, CARPHONE Module (1999-2000)
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Signal specification, Keypad unit / carphone module (PHM)
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Connecting breakout box and checking ground terminal
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Definitions
Connecting breakout box and checking ground terminal: Definitions
DC voltage in volts (V)
Ulow = Voltage near 0 V
Ubat = Battery voltage