Component Description

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Part	Description
BCM	Detects each switch condition by the combination switch reading function. Judges the illumination lamp ON/OFF status depending on the vehicle condition. And then it transmits position light request signal to IPDM E/R and combination meter [with CAN communication (through the unified meter and A/C amp.)].
IPDM E/R	Controls the integrated relay according to the request from BCM (with CAN communication).
Combination meter	Enters in nighttime mode according to the request from BCM (with CAN communication). Controls the each illumination in the nighttime mode. Refer to "METER ILLUMINATION CONTROL: SYSTEM DIAGRAM ".
Combination switch (Lighting & turn signal switch)	Refer to "SYSTEM DIAGRAM ".