FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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.