Steering Column Control Module: Locations
Control modules in interior
Steering column electronics control module -J527-
Component Location:
Under the steering column, near the steering column switch -arrow-
Connector:
A - Steering column electronics control module -J527-
Connector:
B = Charging Airbag Control Module:
1 - Airbag 1 -
2 - Airbag 1 +
3 - Airbag 2 +
4 - Airbag 2 -
C = Charging Turn Signal and Cruise Control System:
1 - Power Supply CCS (terminal 15)
2 - CCS OFF
3 - Res (+), Set (-)
4 - CCS ON/OFF
5 - Ground CCS
6 - Illumination CCS (terminal 58)
7 - Flasher Switch
8 - High Beam
9 - Turn Signal
10 - Ground Turn Signal
D = 20-Pin Connector:
• Though July 2010
1 - Not used
2 - Not used
3 - Not used
4 - Not used
5 - Not used
6 - Not used
7 - Not used
8 - Not used
9 - Not used
10 - Not used
11 - Data Bus On Board Diagnostic Interface CAN-Connection, Low
12 - Data Bus On Board Diagnostic Interface CAN-Connection, High
13 - Cruise Control System, output
14 - Data Bus On Board Diagnostic Interface CAN-Comfort, Low
15 - Data Bus On Board Diagnostic Interface CAN-Comfort, High
16 - Multifunction switch (only automatic transmission or DSG transmission)
17 - Auxiliary Output Terminal 15
18 - Auxiliary Output Terminal 50
19 - Power Supply Terminal 30
20 - Power Supply Terminal 31
E = 16-Pin Connector:
• From July 2010
1 - Connection (30al) inside the instrument panel wiring harness -A23-
2 - Ground connection 2 (in main wiring harness) -367-
3 - Comfort system (CAN bus low) connection 1 in the main wiring harness -B406-
4 - Comfort system (CAN bus high) connection 1 in the main wiring harness -B397-
5 - Engine control module -J623-
6 - Engine control module -J623-
7 - Not used
8 - Not used
9 - Not used
10 - Not used
11 - Tiptronic switch -F189- / selector lever sensor system control module -J587-
12 - Not used
13 - Not used
14 - Vehicle electrical system control module -J519-
15 - Not used
16 - Not used
F = 4-Pin Connector:
1 - Airbag 1 -
2 - Airbag 1 +
3 - Not used
4 - Not used
G = Ignition/starter switch and ignition switch key lock
mount:
1 - Not used
2 - Not used
3 - Ignition Switch Key Lock on terminal 30
4 - Ignition Switch Key Lock Ground
5 - Not used
6 - Not used
7 - Output Ignition/Starter Switch Terminal 50
8 - Ignition/Starter Switch Terminal 30
9 - Output Ignition/Starter Switch Terminal S
10 - Output Ignition/Starter Switch Terminal X
11 - Output Ignition/Starter Switch Terminal P
12 - Output Ignition/Starter Switch Terminal 15
H = Charging Wiper, Interval potentiometer and Multi-Function
Indicator (MFI)
1 - Signal Wiper switch
2 - Ground Wiper
3 - Not used
4 - Not used
5 - Signal MFI
6 - Ground MFI, Interval potentiometer
7 - Signal Intervals
8 - Not used
I = Charging Spiral Spring:
1 - Not used
2 - Not used
3 - Airbag 1 +
4 - Airbag 1 -
5 - Airbag 2 +
6 - Airbag 2 -
7 - Ground for Spiral Spring, Multi-function Steering Wheel and Horn
8 - Cruise control switched off or horn
9 - LIN-Bus or Steering wheel heating temperature sensor
10 - Power Supply for Multi-function Steering Wheel (terminal 15)