G15�General�Vehicle�Electronics
2.�Bus�Systems
11
The�local�CAN�bus�systems�are�not�all�shown�in�the�overview�during�a�diagnosis.
2.4.�LIN�bus
A�multitude�of�LIN�buses�are�used�in�the�G15.�2�particular�LIN�buses�are�the�LIN�bus�for�the�integrated
automatic�heating/air�conditioning�system�and�the�LIN�bus�for�the�ambient�lighting.�Both�LIN�buses
are�arranged�in�series.�If�the�LIN�bus�is�interrupted�at�a�particular�point,�no�communication�with
subsequent�components�is�possible�from�this�point.
A�simplified�system�wiring�diagram�is�shown�below�for�the�ambient�lighting.
G15�LIN�bus,�ambient�lighting
Index Explanation
1 Body�Domain�Controller�(BDC)
2 LED�modules,�front�passenger�door
3 LED�module,�footwell�light,�front�passenger
4 LED�modules,�center�stack,�left
5 LED�modules,�center�stack,�right
6 LED�modules,�driver's�door
7 LED�module,�footwell�light,�driver
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