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Home >> Volvo >> 2012 >> XC90 R-Design, FWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Control Module - Signal Specifications >> Signal Specification, Accessory USB Unit (AUU) (2007-2014) >> Signal Specification
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Signal Specification

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 6-Bit Connector C1
GLL164272Courtesy of VOLVO CARS CORPORATION
CONNECTOR C1

Breakout box terminal  Control module terminal  Signal type  Ignition on  Other 
- #C1-1 Power supply U = Ubat -
- #C1-2 Ground, power supply U = Ulow -
- #C1-3 Reserve - -
- #C1-4 Reserve - -
- #C1-5 MOST input signal Optical input signal when the MOST network is activated -
- #C1-6 MOST output signal Optical output signal when the MOST network is activated -