Part
Description
BCM
  • Detects each switch condition by the combination switch reading function.
  • Judges the illumination lamp ON/OFF status depending on the vehicle condition. And then it transmits position light request signal to IPDM E/R and combination meter (with CAN communication).
IPDM E/R
Controls the integrated relay according to the request from BCM (with CAN communication).
Combination meter
  • Enters in nighttime mode according to the request from BCM (with CAN communication).
  • Controls the each illumination in the nighttime mode.
    Refer to System Diagram.
Combination switch
(Lighting and turn signal switch)
Refer to System Diagram.