Signal Specification

WARNING: This page is about a different variant/trim than selected.

General

NOTE:

It is important to check ground terminals before taking readings.

U=	DC voltage in volts (V)	U_low =	Voltage approximately 0 V
U_bat =	Battery voltage (V)

Fig 1: Identifying 2-Bit Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

CONNECTOR A

Terminal	Signal type	Ignition on	Other
#A1	Antenna signal	-	Input signal FMsub
#A2	Antenna signal	-	Input signal AM/FMmain. Vehicles equipped with TMC - Phantom power supply for traffic message channel module (TMC). Vehicles without TMC - Phantom power supply for antenna amplifier.

Fig 2: Identifying Connector B

Courtesy of VOLVO CARS OF NORTH AMERICA.

CONNECTOR B

Terminal	Signal type	Ignition on	Other
#B1	30 supply	U = U_bat

Fig 3: Identifying Connector C

Courtesy of VOLVO CARS OF NORTH AMERICA.

CONNECTOR C

Terminal	Signal type	Ignition on	Other
#C1	MOST input signal	Optical input signal when the MOST network is activated
#C2	MOST output signal	Optical output signal when the MOST network is activated