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Signal Specification: General

All the values that are given are measured between the respective connection given in column 1 and #2 or #4 (ground).

Pins 3, 5 and 6 are not used.

U= DC voltage in volts (V) Ubat = Battery voltage in volts (V)
I = Current in amperes (A) Ulow = Voltage approximately 0 V
F = Frequency in Hertz (Hz)    
GLL108093Courtesy of VOLVO CARS CORPORATION
CONNECTOR C1

ECU  Signal type  Ignition on  Miscellaneous 
#C1:1 Power supply U=Ubat Protected with a 10 A fuse
#C1:2 Signal ground 1 U=Ulow -
#C1:3 - - -
#C1:4 Signal ground 2 U=Ulow -
#C1:5 - - -
#C1:6 - - -
#C1:7 Control modules communication cable (CAN L) U=1.0-2.5 V -
#C1:8 Control modules communication cable (CAN H) U=2.5-4.0 V -

All the values that are given are measured between the respective connection given in column 1 and #2 (ground)

GLL108095Courtesy of VOLVO CARS CORPORATION
CONNECTOR C2

ECU  Signal type  Ignition on  Miscellaneous 
#C2:1 Power supply U=Ubat -
#C2:2 Signal ground U=Ulow -