System overview

The following graphic shows the system network for the sensor using junction box electronics (JBE) as an example F01:

Fig 1: Central Gateway Module - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Front fuse and relay module
2	Junction Box Electronics (JBE)
3	Footwell module (FRM)
4	Integrated automatic heating/air conditioning system (IHKA)
5	Central gateway module (ZGM)
6	Rain-light-solar-condensation sensor
7	Roof function center (FZD)

The following graphic shows the system network for the sensor using front electronic module (FEM) as an example F30:

Fig 2: Front Electronic Module - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Rain-light-solar-condensation sensor
2	Front fuse and relay module
3	Front Electronic Module (FEM)
4	Central gateway module (ZGM)
5	Integrated automatic heating/air conditioning system (IHKA)

The following graphic shows the system network for the sensor using Body Domain Controller (BDC) as an example F15:

Fig 3: IHKA - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Rain-light-solar-condensation sensor
2	Front fuse and relay module
3	Body Domain Controller
4	Integrated automatic heating/air conditioning system (IHKA)