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Home >> Suzuki >> 2011 >> Grand Vitara Limited, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Lighting Systems) >> General Description >> Auto Light System: Component Description
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Auto Light System: Component Description

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.
PART DESCRIPTION

Part name Description
BCM BCM (Body Control Module) controls auto light operation according to signals from optical sensor, lighting switch and ignition switch.
IPDM E/R IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate, tail and headlamps according to CAN communication signals from BCM.
Combination switch (lighting and turn signal switch) The lighting switch outputs lighting requests to the BCM.
Optical sensor Optical sensor detects ambient brightness and converts light (lux) to voltage, then sends the optical sensor signal to BCM.
Door switches Detects door open/closed status and forwards that status to the BCM.