S80 AWD V8-4.4L VIN 85 B8444S (2008)
Headlamp Control Module: Pinout Values and Diagnostic Parameters
Signal specification
General
All the values given below are between the respective terminal in column 1 and terminal # C1:7 in column 1 (power ground) unless otherwise stated in
brackets.
Note! It is important to check ground terminals before taking readings.