Signal Specification

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

General

All the values given below are between the respective terminal in column 1 and terminal #A2 in column 2 (power ground) unless otherwise stated in brackets after the table entry.

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 OF NORTH AMERICA.

CONNECTOR A

Terminal	Signal type	Ignition on	Other
#A1	30 supply	U = U_bat
#A2	15 supply	U = U_bat	Relay voltage
#A3
#A4	Ground	U=U_low

Fig 2: Identifying Connector B

Courtesy of VOLVO CARS OF NORTH AMERICA.

CONNECTOR B

Terminal	Breakout box terminal	Signal type	Ignition on	Other
#B1		MOST input signal	Optical input signal when the MOST network is activated
#B2		MOST output signal	Optical output signal when the MOST network is activated