System Description

SYSTEM


FRONT FOG LAMP SYSTEM : System Description


OUTLINE
Front fog lamp is controlled by combination switch reading function, front fog lamp control function of BCM, and relay control function of IPDM E/R.

FRONT FOG LAMP OPERATION
- BCM detects the combination switch condition by the combination switch reading function.
- BCM transmits the front fog lights request signal to IPDM E/R via CAN communication according to the front fog lamp ON condition.

Front fog lamp ON condition
- Front fog lamp switch ON and any of the following. (except for the high beam ON)
- Lighting switch 2ND
- Lighting switch AUTO (auto light function ON judgment)
IPDM E/R turns the integrated front fog lamp relay ON, and turns the front fog lamp ON according to the front fog lights request signal.