Signal Specification

General

All values contained below are between the relevant terminal and signal ground, unless otherwise indicated in brackets.

NOTE:

It is important to connect the breakout box and check the 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 10-Bit Connector

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE

Connector A
Terminal Breakout box	Terminal Control module	Signal type	Ignition on Active/Not active	Other
#1	#A1	15 supply	U = U_bat
#2	#A2	Communication LIN	U =5 V
#3	#A3	Ground 31S	U=U_low
#10	#A4	-
#9	#A5	Ground 31S	U=U_low
#8	#A6	IR sensor	U=U_bat / 0 V
#7	#A7	Communication CAN_H low speed network	During communication the voltage is 2.5-3.5 V
#6	#A8	Communication CAN L low speed network	During communication the voltage is 1.5-2.5 V
#5	#A9	Communication CAN_H low speed network	During communication the voltage is 2.5-3.5 V
#4	#A10	Communication CAN L low speed network	During communication the voltage is 1.5-2.5 V

Fig 2: Identifying Connector C

Courtesy of VOLVO CARS CORPORATION