System Description: Outline

• Auto light system is controlled by each function of BCM and IPDM E/R.

  Controlled by BCM:

  • Combination switch reading function
  • Headlamp control function
  • Auto light function
  • Delay timer function
  • Auto light adjustment system

  Controlled by IPDM E/R:

  • Auto light system has the auto light function and delay timer function.
  • Auto light function automatically turns ON/OFF the exterior lamps* and each illumination automatically, depending on the outside brightness.
  • When auto light system turns the exterior lamps ON with the ignition switch OFF, delay timer function turns the exterior lamps OFF, depending on the vehicle condition with the auto light function after a certain period of time.

* : Headlamp (LO/HI), parking lamp, side marker lamp, tail lamp and front fog lamp (Headlamp HI and front fog lamp depend on the combination switch condition).