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Lighting: Interior Light [2019-2022]: Signals

The figure below shows the components used for the function.

GLL1043468Courtesy of VOLVO CARS CORPORATION

The table below summarizes input and output signals to and from the Central Electronic Module (CEM).

Input signals  Output signals 
Directly connected 
Light activation/deactivation request:
  • Overhead console (4/199 - 201)
  • Overhead Console (OHC) (4/198)
  • Glovebox lid switch (3/36)

Rheostat values for display brightness:
  • Switch module, instrument panel (3/337)
 Directly connected 
On/Off:
  • Overhead console (4/199 - 202)
  • Overhead Console (OHC) (4/198)
  • Illumination, tunnel console storage (10/98)
  • Mirror lamp, sun visor (10/114 - 115)
  • Tunnel console illumination (10/328, 10/263)
  • Footwell illumination (10/122 - 123, 10/125 - 126)
  • Luggage compartment lamp (10/127 - 128, 10/173)
  • Instrument panel illumination (10/335-337)
  • Glovebox lid switch (3/36) to
  • Glovebox illumination lamp (10/29)
  • Treadplate LED (10/249 - 252)
  • Trunk illumination (10/360 - 361) (S90 only)
  • Illumination, crystal cupholder (10/345)
  • Armrest illumination (10/270 - 271)
  • Illumination, refrigerator (10/346)
  • Illumination, thermal cupholder (10/348)
  • Illumination, rear storage box (10/347)
  • Center panel trunk illumination (10/423)
  • Rear seat illumination, center (10/364)
  • Quarter panel illumination (10/366 -367)
  • Roof logo light (10/414)

Switch illumination:
  • Parking brake switch (3/272)
  • Center console switch module CCSM (4/222)
  • Power operated tailgate switch (3/347)
  • Switch, 2nd row folding seats (3/349)
  • Active spoiler switch (3/385)
CAN  CAN 
On/Off:
  • Driver Door Module (DDM) (4/213) to

    - Door panel illumination, front left (10/324)

    - Door pocket illumination, front left (10/309)

    - Ground illumination, front left (10/261)

    - Inner door opener illumination, front left (10/241)

    • Door panel illumination, rear left (10/326)
    • Door pocket illumination, rear left (10/311)
    • Inner door opener illumination, rear left (10/243)
    • Ground illumination, rear left (10/294)
  • Driver Door Module (DDM) (4/213) to

    - Rear door module RDM, left (4/215) to

    • Door panel illumination, rear left (10/326)
    • Door pocket illumination, rear left (10/311)
    • Inner door opener illumination, rear left (10/243)
    • Ground illumination, rear left (10/294)
  • Passenger Door Module (PDM) (4/214) to

    - Door panel illumination, front right (10/325)

    - Door pocket illumination, front right (10/310)

    - Ground illumination, front right (10/262)

    - Inner door opener illumination, front right (10/242)

    • Door panel illumination, rear right (10/327)
    • Door pocket illumination, rear right (10/312)
    • Inner door opener illumination, rear right (10/244)
    • Ground illumination, rear right (10/295)
  • Passenger Door Module (PDM) (4/214) to

    - Rear door module RDM, right (4/216) to

    • Door panel illumination, rear right (10/327)
    • Door pocket illumination, rear right (10/312)
    • Inner door opener illumination, rear right (10/244)
    • Ground illumination, rear right (10/295)

Switch illumination:
  • Trailer Module (TRM) (4/110) to

    - Foldable towbar switch (3/351)

  • Driver Door Module (DDM) (4/213) to

    - Memory switch personal settings, left (3/335)

    - Central locking switch, front left (3/80)

    • Central locking switch, rear left (3/315)
    • Window control switch, rear left (3/85)
  • Driver Door Module (DDM) (4/213) to

    - Rear door module RDM, left (4/215) to

    • Central locking switch, rear left (3/315)
    • Window control switch, rear left (3/85)
  • Passenger Door Module (PDM) (93/124_3) to

    - Memory switch personal settings, right (3/338)

    - Central locking switch, front right (3/82)

    - Window control switch, passenger's side (3/20)

    • Central locking switch, rear right (3/316)
    • Window control switch, rear right (3/86)
  • Passenger Door Module (PDM) (93/124_3) to

    - Rear door module RDM, right (4/216) to

    • Central locking switch, rear right (3/316)
    • Window control switch, rear right (3/86)
LIN 
Send information on daylight:
  • Sun sensor (4/165)
 LIN 
Request information on daylight:
  • Sun sensor (4/165)
FlexRay 
Display message:
  • Driver Information Module (DIM) (5/1)
  • Center Console Display (CCD) (16/202) via

    - Infotainment Head Unit (IHU) (4/185)

 FlexRay 
Brightness adjustment signal:
  • Driver Information Module (DIM) (5/1)
  • Infotainment Head Unit (IHU) (4/185) to

    - Center Console Display (CCD) (16/202)
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