Ignition switch, Steering column electronics control module
D - Ignition switch;
J519 - On-board power supply control unit;
J527 - Steering column electronics control unit;
J623 - Engine control unit;
T16a - 16-pin connector;
T17d - 17-pin connector, on the lower part of the left front body pillar, blue;
T73a - 73-pin connector;
B605 - Connection 1, in the interior wiring harness
* For models without login and start authorization
* 2 For models without heated steering wheel
* 3 see engine wiring diagram