Convenience electrics
Input and output signals
The parking aid control unit J446 requires CAN bus
messages from various control units.
4-channel system control units:
Control unit for on-board power
supply J519
Reversing light on
Control unit for trailer detection J345
Trailer detected
Control unit for access and
start authorisation J518
Terminal 15 CAN, key number
8-channel system control units:
Control unit for ABS with EDL J104
Speed
Control unit for autom. gearbox J217
Selector lever position
Control unit for on-board power
supply J519
Reversing light on
Control unit for trailer detection J345
Trailer detected
Control unit for access and
start authorisation J518
Terminal 15 CAN, key number
62
Data bus diagnosis
interface J533
Data bus diagnosis
interface J533
Reference
For further information on the parking
aid control unit J446, please refer to the
SSP 312, Audi A3 '04 – Electrics.
Parking aid control unit J446
Warning buzzer for rear parking aid
H15
Warning signal
326_119
Warning buzzer for front parking aid
H22
Warning signal
Parking aid control unit J446
Warning buzzer for rear parking aid
H15
Warning signal
326_083