System Description: Outline

Auto light system is controlled by each function of BCM and IPDM E/R.
Control by BCM
- Combination switch reading function
- Auto light function
- Wiper linked auto lighting function
- Front fog override function (factory setting is OFF)
- Delay timer function
Control by IPDM E/R
- Relay control function
Auto light system has the auto light function (with twilight lighting function), wiper linked auto lighting function.
- Auto light function automatically turns ON/OFF the exterior lamps*, depending on the outside brightness.
- Wiper linked auto lighting function automatically turns ON/OFF the exterior lamps * when the lighting switch is in the AUTO position, according to a front wiper operation.
- 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), front fog lamp, parking lamp, license plate lamp, side marker lamp and tail lamp.

NOTE:

Headlamp (HI) depend on the combination switch condition and the illumination judgment of high beam assist system. For details, refer to SYSTEM DESCRIPTION .
Front fog lamp depend on the combination switch condition.
The settings of the twilight lighting function and the wiper linked auto lighting function can be changed with CONSULT. Refer to CONSULT FUNCTION (BCM - HEAD LAMP) .