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Home >> Infiniti >> 2008 >> G37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Power Window Control System) >> Function Diagnosis >> Power Window System >> Component Description >> Power Window System
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Power Window System

WARNING: This page is about a different car, the 2008 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
FUNCTION CHART

Component Function
BCM
  • Supplies power supply to power window switch.
  • Controls retained power.
Main power window and door lock/unlock switch
  • Directly controls all power window motor of all doors.
  • Controls anti-pinch operation of front power window LH.
Power window and door lock/unlock switch RH
  • Controls front power window motor RH.
  • Controls anti-pinch operation of front power window RH.
Rear power window switch (Crew Cab)
  • Controls rear power window motors LH and RH.
Rear power drop glass switch (Crew Cab)
  • Controls rear power drop glass motor.
Front power window motor LH
  • Integrates the ENCODER POWER and WINDOW MOTOR.
  • Starts operating with signals from main power window and door lock/unlock switch.
  • Transmits power window motor rotation as a pulse signal to main power window and door lock/unlock switch.
Front power window motor RH Starts operating with signals from main power window and door lock/unlock switch & power window and door lock/unlock switch RH.
Rear power window motor (Crew Cab) Starts operating with signals from main power window and door lock/unlock switch & rear power window switch.
Rear power drop glass motor (Crew Cab) Starts operating with signal from rear power drop glass switch.
Front door lock assembly LH (key cylinder switch) Transmits operation condition of key cylinder switch to power window main switch.
Front door switch LH or RH Detects door open/close condition and transmits to BCM.