audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing turn signal switchE2, cruise control system switchE45, intermittent wiper switchE22 > < Removing and installing steering column electronics control unitJ527
Pin assignment on steering column electronics control unitJ527
Pin assignment on steering column electronics control unit -J527-
t  The steering column electronics control unit -J527- is part of the „steering column switch module“. It receives signals e.g. from the steering column switch.
t  Checking steering column electronics control unit -J527- in „Guided Fault Finding“ mode → Vehicle diagnostic tester.
   
A - Plug connection: turn signal switch/cruise control system (CCS)
1 - Earth, steering column lever for cruise control
2 - Cruise control, Set
3 - ACC
4 - Cruise control, Res („+“)/Set („–“)
5 - Voltage supply (terminal 15)
6 - Cruise control, earth / turn signal switch, earth
7 - Cruise control switched „Off“
8 - Cruise control Res/Soft
9 - Radio telephone (AIA)
10 - Headlight flasher
11 - Main beam
12 - Turn signal switch
13 - Turn signal switch, earth
B - Plug connection: coil connector cassette/airbag/multi-function steering wheel/horn
1 - Earth
2 - Horn signal
3 - Airbag 1 „+“
4 - Airbag 1 „–“
5 - Airbag 2 „+“
6 - Airbag 2 „–“
7 - tiptronic downshift
8 - Terminal 30
9 - LIN
10 - tiptronic upshift
11 - Dimming (terminal 58s)
12 - tiptronic earth
C - Plug connection: airbag control unit
3 - Airbag 1 „–“
4 - Airbag 1 „+“
5 - Airbag 2 „+“
6 - Airbag 2 „–“
D - Plug connection: vehicle electrical system
1 - Not used
2 - Not used
3 - Voltage supply (terminal 30)
4 - Drive train CAN bus, screening
5 - Cruise control switched off (click stop engaged)
6 - Not used
7 - Radio telephone/radio telephone button
8 - CAN bus Low (convenience)
9 - CAN bus High (convenience)
10 - Voltage supply (terminal 31)
11 - CAN bus High (drive train)
12 - CAN bus Low (drive train)
13 - Signal - electronic ignition lock, terminal 15
14 - Not used
15 - Not used
16 - Not used
E - Plug connection: window wiper system/DIS
1 - Earth, wipers
2 - Wiper switch
3 - Wash
4 - DIS signal
5 - Intermittent wipe potentiometer
6 - DIS earth

   

Removing and installing turn signal switchE2, cruise control system switchE45, intermittent wiper switchE22 > < Removing and installing steering column electronics control unitJ527