Self-Study Program

46
Function diagram
Control units
364_037
Ter min al 30
Ter min al 30
Reversing light, left
Rear fog light, left
Ter min al 31
Reversing light, right
Rear fog light, right
Interior light
Cargo space light / interior light for 3rd seat row
LIN open sky system
Convenience CAN High
Convenience CAN Low
Sidemarker, right (North America)
Sidemarker, left (North America)
G525 Tailgate closed sender 1
G526 Tailgate closed sender 2
J773
Evaluating the tailgate closed sender
The two switches G525 tailgate closed sender 1 and G526 tailgate closed sender 2 are read by the convenience
system central control unit 2 J773.
The control unit provides the position of the two switches on the convenience CAN bus.
The convenience system central control unit J393 reads the switch information from the convenience CAN bus
and activates the rear lights accordingly.
Position of the switches G525 and G526 "tailgate closed":
– The convenience system central control unit J393 activates the brake/tail lights and the turn signals in the
main rear lights in the tailgate.
– The brake/tail lights and turn signals in the additional rear lights in the bumper are not activated.
Position of switches G525 and G526 "tailgate open":
– The convenience system central control unit J393 activates the brake/tail lights and the turn signals in the
bumper.
– The brake/tail lights and the turn signals in the tailgate are not activated.
Legend
TS Turn signal
BT Brake/tail light
RL Reversing light
RF Rear fog light
364_060
TS BT BT G525 G526
J393 J773
TS BT RL RF
Tailg a t e
Convenience CAN bus
Bumper