System Description
SYSTEM
FRONT FOG LAMP SYSTEM : System Description
OUTLINE
- Front fog lamp is integrated into the front combination lamp.
- Front fog lamp is controlled by combination switch reading function and front fog lamp control function of
BCM, and relay control function of IPDM E/R.
NOTE:
For Canada models, the front fog lamp is turned ON as the daytime running light. System Diagram for the detail.
FRONT FOG LAMP OPERATION
- BCM detects the combination switch condition by the combination switch reading function.
- BCM transmits the front fog light request signal to IPDM E/R and the combination meter (through unified meter and A/C amp.) with CAN communication according to the front fog lamp ON condition.
Front fog lamp ON condition
- Front fog lamp switch ON with the headlamp ON (except for the high beam ON)
- IPDM E/R turns the integrated front fog lamp relay ON, and turns the front fog lamp ON according to the front fog light request signal.