Signal Specification

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 Connector A

Courtesy of VOLVO CARS CORPORATION

CONNECTOR A

Terminal	Signal type	Ignition on	Other
#A1	Antenna signal	0-4.75 V	Pulse

Fig 2: Identifying Connector Terminals

Courtesy of VOLVO CARS CORPORATION

CONNECTOR B

Terminal	Signal type	Ignition on	Other
#B1	30 supply	U = U_bat	-
#B2	-	-	-
#B3	-	-	-
#B4	-	-	-
#B5	Ground	U=U_low	-

Fig 3: Identifying Connector C

Courtesy of VOLVO CARS CORPORATION

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	-