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Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Interior Lighting System) >> System Description >> Component Parts >> Component Description
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Component Description

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT DESCRIPTION

Part Description
BCM Controls the interior lighting system.
IPDM E/R Controls the integrated relay according to the request signal from BCM (via CAN communication).
Remote keyless entry receiver Refer to "DOOR LOCK SYSTEM : COMPONENT DESCRIPTION ".
AV control unit Receives the dimmer signal from BCM via CAN communication.
Optical sensor Refer to "EXTERIOR LIGHTING SYSTEM : COMPONENT DESCRIPTION ".
Unlock sensor Detects door lock condition of driver side door.
Combination switch (Lighting & turn signal switch) Refer to "COMBINATION SWITCH READING SYSTEM : SYSTEM DESCRIPTION ".
  • Door lock and unlock switch
  • Door request switch
  • Door key cylinder switch
Inputs the lock/unlock signal to BCM.
  • Door switch
  • Back door switch
Inputs the door switch signal to BCM.