ABS and ESP, from September 2007 (Audi A4 B7)

7-1 "AUTO HOLD" switch
# For LHD models
# # For RHD models
** Section changed from 1.5 mm² to 2.5 mm² (gradual change)

7-2 Switch "TCS" and "ESP"
**See basic equipment diagrams;
# # # Only models with/without navigation system

7-3 ESP Sensor Modules
* For AFW models
** wire color changed from or/sw to or/ws, gradual change
*** for models with dynamic steering (1N7) and rear differential "quattro Sport" (GH2)

7-4 Wheel sensor
* depends on equipment, for models with PR number (1BL) J104

7-5 D/W brake lights, ABS valves
* Brake light coil
**No longer in use, gradual change

7-6 Steering wheel angle sensor, CAN disconnector
# #/# # # Brown insert bridge on driver/passenger side,
**see CAN diagram

7-8 Control unit in the instrument panel insert
# # Models up to 2009/since 2010.
# # # Brown plug bridge on front passenger side CAN, see CAN diagram