174973 - ROOF NODE (NIM)

SPECIFICATIONS

The Roof Node is an electronic and electro-mechanical control unit that integrates the functions located in the interior mirror and the courtesy light

OPERATION

The Roof Node carries out the following functions:

  • Activation of side lights and dipped headlamps by dusk sensor [F044]
  • Management of courtesy lights and front and rear spot lights [F078]
  • US volumetric protection of passenger compartment (which can be excluded) [F080]
  • Rain sensor acquisition [F114]
  • Electro-chromic interior mirror [F128]
  • Management of gear lever and rear armrest lighting [F220]
  • Activation of alarm by tilt sensor [F233]
In addition it:

  • receives and transmits information on the B-CAN line (e.g.: diagnosis, warnings, commands, data)
  • integrates the volumetric/tilt sensors
  • integrates the courtesy light controls (unstable type)
  • integrates the hands-free telephone microphone
  • connects with the rear wiring and the wiring at the interior rear view mirror
Connector A PIN OUT
PINFUNCTION
1Earth
2Electro-chromic exterior mirrors - Positive
3Electro-chromic exterior mirrors - Negative
4A-bus serial line
5Not connected
6Not connected
7B - CAN A
8Not connected
9Microphone output (ref) to NIT
10+30 from F-39 CPL
11Not connected
12Not connected
13Not connected
14Not connected
15Negative signal controlling night panel function LED in centre rear courtesy light
16B - CAN B
17Not connected
18Microphone output to NIT
Connector B PIN OUT
PINFUNCTION
1Not connected
2A-bus serial line to rain/dusk sensor
3Not connected
4Electro-chromic exterior mirrors - Negative
5Electro-chromic exterior mirrors - Positive
6Not connected
7Not connected
8Rain/dusk sensor (negative)
9Electro-chromic interior rear view mirror (negative)
10Not connected
11Not connected
12Rain/dusk sensor (positive)
13Electro-chromic interior rear view mirror (positive)
14Not connected
15Not connected
16Electro-chromic interior rear view mirror (reversing signal)
17Not connected
18Not connected