audi autocheck teardown (4 A0 919 471)

  AUTOMOTIVE LAMP MONITORS ULN2455A (datasheet)

 up one is tc4001bp (datasheet), it's quatro NOR, down one is ULN2453M mentionet in datasheet of ULN2455A (datasheet)

DPS

connector wirings

BC547 (bipolar NPN)

10uF/35V

schematics:

4 A0 919 471 schematics

from elsa:

15 - from fuse S5 (+12V)

31 - ground

KB -J189 (t20/19)
KS - J189 (t20/16)

54R - OUT brake light RIGHT
54 - IN brake light
54L - OUT brake light LEFT

58R - IN tail light RIGHT
58R1- OUT tail light RIGHT

56bl - IN Low Beam LEFT

56bl1 - OUT Low Beam LEFT

56br - IN Low Beam RIGHT
56br1 - IN OUT Low Beam RIGHT


58L - IN tail light LEFT
58L1 - OUT tail light LEFT